{"title":"SALE - Mercury 8 \u0026 9.9 HP 100 \u0026 300 Hour Maintenance Kits for S\/N 0R042475 \u0026 Above","description":"","products":[{"product_id":"mercury-8-9-9-complete-300-hour-service-maintenance-kit-standard-gearcase-only-10w-30-8m0120837-s-n-0r042475-above","title":"Mercury 8\/9.9 Complete 300 Hour Service Maintenance Kit Standard Gearcase Only 10W-30 - 8M0120837 - S\/N 0R042475 \u0026 Above","description":"\u003cp\u003eWant to know more about how your engine is breaking-in or wearing? Curious about whether or not your oil is doing its job? Want to be ahead of problems that may develop? PartsVu has partnered with Blackstone Laboratories and we are now offering professional\u003cspan style=\"color: rgb(43, 0, 255);\"\u003e \u003ca href=\"https:\/\/partsvu.com\/collections\/blackstone-laboratories\" style=\"color: rgb(43, 0, 255);\"\u003eoil analysis kits\u003c\/a\u003e.\u003c\/span\u003e Results are typically received in a few days via email. \u003cspan style=\"color: rgb(43, 0, 255);\"\u003e\u003ca href=\"https:\/\/partsvu.com\/collections\/blackstone-laboratories\" style=\"color: rgb(43, 0, 255);\"\u003eShop now\u003c\/a\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003eMercury | 300 Hour Service Kit | 8M0120837\u003c\/h2\u003e\n\u003cp\u003eKeep your small-horsepower Mercury running strong with a complete 300 hour service kit designed for 8 HP and 9.9 HP carbureted (209cc) four-stroke outboards equipped with \u003cstrong\u003estandard gearcases\u003c\/strong\u003e. Built around \u003cstrong\u003e10W-30 four-stroke oil\u003c\/strong\u003e, this kit includes the essential maintenance components commonly replaced at the 300 hour interval—covering lubrication, cooling, ignition, fuel filtration, and corrosion protection.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFits:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e8 HP Carb (209cc) – Serial 0R042475 \u0026amp; up\u003c\/li\u003e\n\u003cli\u003e9.9 HP Carb (209cc) – Serial 0R042475 \u0026amp; up\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr style=\"margin: 24px 0;\"\u003e\n\u003ch3\u003eWhat’s Included in This Kit\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e 10W-30 Four-Stroke Engine Oil (Quart)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Gear Lube (Quart)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Fuel Filter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Oil Drain Seal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2x\u003c\/strong\u003e Gearcase Drain Seals\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Thermostat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Thermostat Gasket\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2x\u003c\/strong\u003e Spark Plugs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Water Impeller Kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Anode\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr style=\"margin: 24px 0;\"\u003e\n\u003ch3\u003eWhy This 300 Hour Service Kit Matters\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete milestone service:\u003c\/strong\u003e Covers oil, gearcase, cooling, ignition, and fuel filtration components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCooling system refresh:\u003c\/strong\u003e Impeller and thermostat replacement help maintain proper operating temperature.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReliable starting and performance:\u003c\/strong\u003e Fresh spark plugs and fuel filter support clean combustion.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrosion protection:\u003c\/strong\u003e New anode helps reduce galvanic corrosion in marine environments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr style=\"margin: 24px 0;\"\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this kit fit EFI models?\u003c\/strong\u003e\u003cbr\u003eNo. This kit is designed for carbureted 209cc 8 HP and 9.9 HP models only.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy are 2 gearcase drain seals included?\u003c\/strong\u003e\u003cbr\u003eMost gearcases use sealing washers at both the drain and vent screws. Replacing both helps ensure a proper seal after service.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow do I confirm compatibility?\u003c\/strong\u003e\u003cbr\u003eVerify your horsepower, engine type (carbureted 209cc), serial number range, and that your engine uses a standard gearcase before ordering.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":47125895872803,"sku":"PVM00086","price":223.47,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/8m0120837-1030.jpg?v=1701377082"},{"product_id":"mercury-8-9-9-complete-300-hour-service-maintenance-kit-standard-gearcase-only-10w-30-synthetic-blend-8m0120837-s-n-0r042475-above","title":"Mercury 8\/9.9 Complete 300 Hour Service Maintenance Kit Standard Gearcase Only 10W-30 Synthetic Blend - 8M0120837 - S\/N 0R042475 \u0026 Above","description":"\u003cp\u003eWant to know more about how your engine is breaking-in or wearing? Curious about whether or not your oil is doing its job? Want to be ahead of problems that may develop? PartsVu has partnered with Blackstone Laboratories and we are now offering professional \u003cspan style=\"color: rgb(43, 0, 255);\"\u003e\u003ca href=\"https:\/\/partsvu.com\/collections\/blackstone-laboratories\" style=\"color: rgb(43, 0, 255);\"\u003eoil analysis kits\u003c\/a\u003e.\u003c\/span\u003e Results are typically received in a few days via email. \u003cspan style=\"color: rgb(43, 0, 255);\"\u003e\u003ca href=\"https:\/\/partsvu.com\/collections\/blackstone-laboratories\" style=\"color: rgb(43, 0, 255);\"\u003eShop now\u003c\/a\u003e\u003c\/span\u003e.\u003c\/p\u003e\n\u003ch2\u003eMercury | 300 Hour Service Kit | 8M0120837\u003c\/h2\u003e\n\u003cp\u003eStay on schedule with a complete 300 hour service kit for Mercury 8 HP and 9.9 HP carbureted (209cc) four-stroke outboards equipped with \u003cstrong\u003estandard gearcases\u003c\/strong\u003e. Built around \u003cstrong\u003e10W-30 synthetic blend four-stroke oil\u003c\/strong\u003e, this kit includes the core service items plus the cooling, ignition, and sealing components commonly addressed at the 300 hour interval. It is a simple way to refresh critical systems and keep your small outboard starting easily and running reliably.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFits:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e8 HP Carb (209cc) – Serial 0R042475 \u0026amp; up\u003c\/li\u003e\n\u003cli\u003e9.9 HP Carb (209cc) – Serial 0R042475 \u0026amp; up\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr style=\"margin: 24px 0;\"\u003e\n\u003ch3\u003eWhat’s Included in This Kit\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e 10W-30 Synthetic Blend Four-Stroke Engine Oil (Quart)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Gear Lube (Quart)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Fuel Filter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Oil Drain Seal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2x\u003c\/strong\u003e Gearcase Drain Seals\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Thermostat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Thermostat Gasket\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2x\u003c\/strong\u003e Spark Plugs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Water Impeller Kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Anode\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr style=\"margin: 24px 0;\"\u003e\n\u003ch3\u003eWhy This 300 Hour Service Kit Matters\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMilestone service coverage:\u003c\/strong\u003e Combines fluids, filters, seals, and wear items in one kit so nothing gets missed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCooling system refresh:\u003c\/strong\u003e Thermostat and impeller service helps support proper water flow and stable operating temperature.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReliable running:\u003c\/strong\u003e New spark plugs and fuel filtration support clean combustion and dependable starting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrosion protection:\u003c\/strong\u003e Includes an anode to help reduce galvanic corrosion in marine environments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr style=\"margin: 24px 0;\"\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this kit fit EFI models?\u003c\/strong\u003e\u003cbr\u003eNo. This kit is intended for carbureted 209cc 8 HP and 9.9 HP four-stroke models only.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy are 2 gearcase drain seals included?\u003c\/strong\u003e\u003cbr\u003eMost gearcases use sealing washers at both the drain and vent screws. Replacing both helps ensure a proper seal after service.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow do I confirm this kit matches my outboard?\u003c\/strong\u003e\u003cbr\u003eVerify your engine is an 8 HP or 9.9 HP carbureted (209cc) model, falls within the listed serial range, and uses a standard gearcase before ordering.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":47125895905571,"sku":"PVM00087","price":226.47,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/8m0120837_1030.jpg?v=1701377082"},{"product_id":"mercury-8-9-9-complete-300-hour-service-maintenance-kit-standard-gearcase-only-25w-40-8m0120837-s-n-0r042475-above","title":"Mercury 8\/9.9 Complete 300 Hour Service Maintenance Kit Standard Gearcase Only 25W-40 - 8M0120837 - S\/N 0R042475 \u0026 Above","description":"\u003cp\u003eWant to know more about how your engine is breaking-in or wearing? Curious about whether or not your oil is doing its job? Want to be ahead of problems that may develop? PartsVu has partnered with Blackstone Laboratories and we are now offering professional \u003cspan style=\"color: rgb(43, 0, 255);\"\u003e\u003ca href=\"https:\/\/partsvu.com\/collections\/blackstone-laboratories\" style=\"color: rgb(43, 0, 255);\"\u003eoil analysis kits\u003c\/a\u003e.\u003c\/span\u003e Results are typically received in a few days via email. \u003cspan style=\"color: rgb(43, 0, 255);\"\u003e\u003ca href=\"https:\/\/partsvu.com\/collections\/blackstone-laboratories\" style=\"color: rgb(43, 0, 255);\"\u003eShop now\u003c\/a\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003eMercury | 300 Hour Service Kit | 8M0120837\u003c\/h2\u003e\n\u003cp\u003eStay on schedule with a complete 300 hour service kit for Mercury 8 HP and 9.9 HP carbureted (209cc) four-stroke outboards equipped with \u003cstrong\u003estandard gearcases\u003c\/strong\u003e. Built around \u003cstrong\u003e25W-40 four-stroke oil\u003c\/strong\u003e, this kit includes the core service items plus the cooling, ignition, and sealing components commonly addressed at the 300 hour interval. It is a simple way to refresh critical systems and keep your small outboard starting easily and running reliably.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFits:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e8 HP Carb (209cc) – Serial 0R042475 \u0026amp; up\u003c\/li\u003e\n\u003cli\u003e9.9 HP Carb (209cc) – Serial 0R042475 \u0026amp; up\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr style=\"margin: 24px 0;\"\u003e\n\u003ch3\u003eWhat’s Included in This Kit\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e 25W-40 Four-Stroke Engine Oil (Quart)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Gear Lube (Quart)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Fuel Filter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Oil Drain Seal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2x\u003c\/strong\u003e Gearcase Drain Seals\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Thermostat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Thermostat Gasket\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2x\u003c\/strong\u003e Spark Plugs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Water Impeller Kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Anode\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr style=\"margin: 24px 0;\"\u003e\n\u003ch3\u003eWhy This 300 Hour Service Kit Matters\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMilestone service coverage:\u003c\/strong\u003e Combines fluids, filters, seals, and wear items in one kit so nothing gets missed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCooling system refresh:\u003c\/strong\u003e Thermostat and impeller service helps support proper water flow and stable operating temperature.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReliable running:\u003c\/strong\u003e New spark plugs and fuel filtration support clean combustion and dependable starting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrosion protection:\u003c\/strong\u003e Includes an anode to help reduce galvanic corrosion in marine environments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr style=\"margin: 24px 0;\"\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this kit fit EFI models?\u003c\/strong\u003e\u003cbr\u003eNo. This kit is intended for carbureted 209cc 8 HP and 9.9 HP four-stroke models only.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy are 2 gearcase drain seals included?\u003c\/strong\u003e\u003cbr\u003eMost gearcases use sealing washers at both the drain and vent screws. Replacing both helps ensure a proper seal after service.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow do I confirm this kit matches my outboard?\u003c\/strong\u003e\u003cbr\u003eVerify your engine is an 8 HP or 9.9 HP carbureted (209cc) model, falls within the listed serial range, and uses a standard gearcase before ordering.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":47125895938339,"sku":"PVM00088","price":223.47,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/8m0120837-2540.jpg?v=1701377082"},{"product_id":"mercury-8-9-9-complete-300-hour-service-maintenance-kit-standard-gearcase-only-25w-40-synthetic-blend-8m0120837-s-n-0r042475-above","title":"Mercury 8\/9.9 Complete 300 Hour Service Maintenance Kit Standard Gearcase Only 25W-40 Synthetic Blend - 8M0120837 - S\/N 0R042475 \u0026 Above","description":"\u003cp\u003eWant to know more about how your engine is breaking-in or wearing? Curious about whether or not your oil is doing its job? Want to be ahead of problems that may develop? PartsVu has partnered with Blackstone Laboratories and we are now offering professional \u003cspan style=\"color: rgb(43, 0, 255);\"\u003e\u003ca href=\"https:\/\/partsvu.com\/collections\/blackstone-laboratories\" style=\"color: rgb(43, 0, 255);\"\u003eoil analysis kits\u003c\/a\u003e\u003c\/span\u003e. Results are typically received in a few days via email. \u003cspan style=\"color: rgb(43, 0, 255);\"\u003e\u003ca href=\"https:\/\/partsvu.com\/collections\/blackstone-laboratories\" style=\"color: rgb(43, 0, 255);\"\u003eShop now\u003c\/a\u003e\u003c\/span\u003e.\u003c\/p\u003e\n\u003ch2\u003eMercury | 300 Hour Service Kit | 8M0120837\u003c\/h2\u003e\n\u003cp\u003eStay on schedule with a complete 300 hour service kit for Mercury 8 HP and 9.9 HP carbureted (209cc) four-stroke outboards equipped with \u003cstrong\u003estandard gearcases\u003c\/strong\u003e. Built around \u003cstrong\u003e25W-40 synthetic blend four-stroke oil\u003c\/strong\u003e, this kit includes the core service items plus the cooling, ignition, and sealing components commonly addressed at the 300 hour interval. It is a simple way to refresh critical systems and keep your small outboard starting easily and running reliably.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFits:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e8 HP Carb (209cc) – Serial 0R042475 \u0026amp; up\u003c\/li\u003e\n\u003cli\u003e9.9 HP Carb (209cc) – Serial 0R042475 \u0026amp; up\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr style=\"margin: 24px 0;\"\u003e\n\u003ch3\u003eWhat’s Included in This Kit\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e 25W-40 Synthetic Blend Four-Stroke Engine Oil (Quart)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Gear Lube (Quart)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Fuel Filter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Oil Drain Seal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2x\u003c\/strong\u003e Gearcase Drain Seals\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Thermostat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Thermostat Gasket\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2x\u003c\/strong\u003e Spark Plugs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Water Impeller Kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Anode\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr style=\"margin: 24px 0;\"\u003e\n\u003ch3\u003eWhy This 300 Hour Service Kit Matters\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMilestone service coverage:\u003c\/strong\u003e Combines fluids, filter, seals, and wear items in one kit so nothing gets missed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCooling system refresh:\u003c\/strong\u003e Thermostat and impeller service helps support proper water flow and stable operating temperature.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReliable running:\u003c\/strong\u003e New spark plugs and fuel filtration support clean combustion and dependable starting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrosion protection:\u003c\/strong\u003e Includes an anode to help reduce galvanic corrosion in marine environments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr style=\"margin: 24px 0;\"\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this kit fit EFI models?\u003c\/strong\u003e\u003cbr\u003eNo. This kit is intended for carbureted 209cc 8 HP and 9.9 HP four-stroke models only.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy are 2 gearcase drain seals included?\u003c\/strong\u003e\u003cbr\u003eMost gearcases use sealing washers at both the drain and vent screws. Replacing both helps ensure a proper seal after service.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow do I confirm this kit matches my outboard?\u003c\/strong\u003e\u003cbr\u003eVerify your engine is an 8 HP or 9.9 HP carbureted (209cc) model, falls within the listed serial range, and uses a standard gearcase before ordering.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":47125895971107,"sku":"PVM00089","price":226.47,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/8m0120837_2540.jpg?v=1701377082"},{"product_id":"mercury-8-9-9-hp-complete-300-hour-service-maintenance-kit-10w-30-command-thrust-bigfoot-only-8m0120867-s-n-0r042475-above","title":"Mercury 8\/9.9 HP Complete 300 Hour Service Maintenance Kit 10W-30 Command Thrust\/Bigfoot Only 8M0120867 - S\/N 0R042475 \u0026 Above","description":"\u003cp\u003eWant to know more about how your engine is breaking-in or wearing? Curious about whether or not your oil is doing its job? Want to be ahead of problems that may develop? PartsVu has partnered with Blackstone Laboratories and we are now offering professional \u003ca href=\"https:\/\/partsvu.com\/collections\/blackstone-laboratories\"\u003eoil analysis kits\u003c\/a\u003e. Results are typically received in a few days via email. \u003ca href=\"https:\/\/partsvu.com\/collections\/blackstone-laboratories\"\u003eShop now\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch2\u003eMercury | 300 Hour Service Kit | 8M0120867\u003c\/h2\u003e\n\u003cp\u003eStay on schedule with a complete 300 hour service kit for Mercury 8 HP and 9.9 HP carbureted (209cc) four-stroke outboards equipped with \u003cstrong\u003eCommand Thrust\/Bigfoot gearcases\u003c\/strong\u003e. Built around \u003cstrong\u003e10W-30 four-stroke oil\u003c\/strong\u003e, this kit includes the core service items plus the cooling, ignition, and sealing components commonly addressed at the 300 hour interval. It is a simple way to refresh critical systems and keep your small outboard starting easily and running reliably.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSerial number range:\u003c\/strong\u003e 0R042475 \u0026amp; Above\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eApplication:\u003c\/strong\u003e Mercury 8\/9.9 HP – Command Thrust\/Bigfoot Gearcases Only\u003c\/p\u003e\n\u003chr style=\"margin: 24px 0;\"\u003e\n\u003ch3\u003eWhat’s Included in This Kit\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e 10W-30 Four-Stroke Engine Oil (Quart)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Gear Lube (Quart)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Fuel Filter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Oil Drain Seal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2x\u003c\/strong\u003e Gearcase Drain Seals\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Thermostat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Thermostat Gasket\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2x\u003c\/strong\u003e Spark Plugs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Water Impeller Kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Anode\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr style=\"margin: 24px 0;\"\u003e\n\u003ch3\u003eWhy This 300 Hour Service Kit Matters\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMilestone service coverage:\u003c\/strong\u003e Combines fluids, filter, seals, and wear items in one kit so nothing gets missed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCooling system refresh:\u003c\/strong\u003e Thermostat and impeller service helps support proper water flow and stable operating temperature.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReliable running:\u003c\/strong\u003e New spark plugs and fuel filtration support clean combustion and dependable starting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrosion protection:\u003c\/strong\u003e Includes an anode to help reduce galvanic corrosion in marine environments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr style=\"margin: 24px 0;\"\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this kit fit standard gearcase models?\u003c\/strong\u003e\u003cbr\u003eNo. This kit is intended for \u003cstrong\u003eCommand Thrust\/Bigfoot gearcases only\u003c\/strong\u003e. Standard gearcase models use a different kit.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy are 2 gearcase drain seals included?\u003c\/strong\u003e\u003cbr\u003eMost gearcases use sealing washers at both the drain and vent screws. Replacing both helps ensure a proper seal after service.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow do I confirm this kit matches my outboard?\u003c\/strong\u003e\u003cbr\u003eVerify your engine is an 8 HP or 9.9 HP carbureted (209cc) model, falls within the listed serial range, and uses a Command Thrust\/Bigfoot gearcase before ordering.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":47125896003875,"sku":"PVM00090","price":234.47,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/8m0120867-1030.jpg?v=1701377082"},{"product_id":"mercury-8-9-9-hp-complete-300-hour-service-maintenance-kit-10w-30-synthetic-blend-command-thrust-bigfoot-only-8m0120867-s-n-0r042475-above","title":"Mercury 8\/9.9 HP Complete 300 Hour Service Maintenance Kit 10W-30 Synthetic Blend Command Thrust\/Bigfoot Only 8M0120867 - S\/N 0R042475 \u0026 Above","description":"\u003cp\u003eWant to know more about how your engine is breaking-in or wearing? Curious about whether or not your oil is doing its job? Want to be ahead of problems that may develop? PartsVu has partnered with Blackstone Laboratories and we are now offering professional \u003cspan style=\"color: rgb(43, 0, 255);\"\u003e\u003ca href=\"https:\/\/partsvu.com\/collections\/blackstone-laboratories\" style=\"color: rgb(43, 0, 255);\"\u003eoil analysis kits\u003c\/a\u003e.\u003c\/span\u003e Results are typically received in a few days via email. \u003cspan style=\"color: rgb(43, 0, 255);\"\u003e\u003ca href=\"https:\/\/partsvu.com\/collections\/blackstone-laboratories\" style=\"color: rgb(43, 0, 255);\"\u003eShop now\u003c\/a\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003eMercury | 300 Hour Service Kit | 8M0120867\u003c\/h2\u003e\n\u003cp\u003eStay on schedule with a complete 300 hour service kit for Mercury 8 HP and 9.9 HP carbureted (209cc) four-stroke outboards equipped with \u003cstrong\u003eCommand Thrust\/Bigfoot gearcases\u003c\/strong\u003e. Built around \u003cstrong\u003e10W-30 synthetic blend four-stroke oil\u003c\/strong\u003e, this bundle covers the most common milestone service items—engine oil and sealing, gearcase service parts, fuel filtration, cooling components, ignition parts, and corrosion protection—so you can keep your small outboard starting easily and running reliably.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSerial number range:\u003c\/strong\u003e 0R042475 \u0026amp; Above\u003c\/p\u003e\n\u003chr style=\"margin: 24px 0;\"\u003e\n\u003ch3\u003eWhat’s Included in This Kit\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e 10W-30 Synthetic Blend Four-Stroke Engine Oil (Quart)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Gear Lube (Quart)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Fuel Filter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Oil Drain Seal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2 x\u003c\/strong\u003e Gearcase Drain Seals\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Thermostat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Thermostat Gasket\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2 x\u003c\/strong\u003e Spark Plugs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Water Impeller Kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Anode\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr style=\"margin: 24px 0;\"\u003e\n\u003ch3\u003eWhy This Kit Makes Service Easier\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMilestone coverage:\u003c\/strong\u003e Combines fluids, seals, filters, cooling parts, and ignition items in one kit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCooling system refresh:\u003c\/strong\u003e Thermostat and impeller service helps maintain proper water flow and stable operating temperature.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFuel-side protection:\u003c\/strong\u003e Fresh fuel filtration helps keep debris and contamination away from critical components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrosion defense:\u003c\/strong\u003e Includes an anode to help reduce galvanic corrosion in marine environments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr style=\"margin: 24px 0;\"\u003e\n\u003ch3\u003eService Notes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned for Mercury 8\/9.9 HP models with Command Thrust\/Bigfoot gearcases only.\u003c\/li\u003e\n\u003cli\u003eReplace drain seals during every service to help maintain a proper seal.\u003c\/li\u003e\n\u003cli\u003eDispose of used oil and gear lube according to local regulations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr style=\"margin: 24px 0;\"\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this kit fit standard gearcase models?\u003c\/strong\u003e\u003cbr\u003eNo. This kit is intended for \u003cstrong\u003eCommand Thrust\/Bigfoot gearcases only\u003c\/strong\u003e. Standard gearcase models use a different kit.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy are 2 gearcase drain seals included?\u003c\/strong\u003e\u003cbr\u003eMany gearcases use sealing washers at both the drain and vent screws, so replacing them together helps support a proper seal.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow do I confirm this kit matches my outboard?\u003c\/strong\u003e\u003cbr\u003eVerify your engine serial number is \u003cstrong\u003e0R042475 and above\u003c\/strong\u003e and that your outboard is equipped with a Command Thrust\/Bigfoot gearcase.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":47125896036643,"sku":"PVM00091","price":237.47,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/8m0120867_1030.jpg?v=1701377083"},{"product_id":"mercury-8-9-9-hp-complete-300-hour-service-maintenance-kit-25w-40-command-thrust-bigfoot-only-8m0120867-s-n-0r042475-above","title":"Mercury 8\/9.9 HP Complete 300 Hour Service Maintenance Kit 25W-40 Command Thrust\/Bigfoot Only 8M0120867 - S\/N 0R042475 \u0026 Above","description":"\u003cp\u003eWant to know more about how your engine is breaking-in or wearing? Curious about whether or not your oil is doing its job? Want to be ahead of problems that may develop? PartsVu has partnered with Blackstone Laboratories and we are now offering professional \u003cspan style=\"color: rgb(43, 0, 255);\"\u003e\u003ca href=\"https:\/\/partsvu.com\/collections\/blackstone-laboratories\" style=\"color: rgb(43, 0, 255);\"\u003eoil analysis kits\u003c\/a\u003e\u003c\/span\u003e. Results are typically received in a few days via email. \u003cspan style=\"color: rgb(43, 0, 255);\"\u003e\u003ca href=\"https:\/\/partsvu.com\/collections\/blackstone-laboratories\" style=\"color: rgb(43, 0, 255);\"\u003eShop now\u003c\/a\u003e\u003c\/span\u003e.\u003c\/p\u003e\n\u003ch2\u003eMercury | 300 Hour Service Kit | 8M0120867\u003c\/h2\u003e\n\u003cp\u003eStay on schedule with a complete 300 hour service kit for Mercury 8 HP and 9.9 HP carbureted (209cc) four-stroke outboards equipped with \u003cstrong\u003eCommand Thrust\/Bigfoot gearcases\u003c\/strong\u003e. Built around \u003cstrong\u003e25W-40 four-stroke engine oil\u003c\/strong\u003e, this bundle covers the most common milestone service items—engine lubrication, gearcase service parts, fuel filtration, cooling components, ignition parts, and corrosion protection—so you can keep your small outboard performing reliably season after season.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSerial number range:\u003c\/strong\u003e 0R042475 \u0026amp; Above\u003c\/p\u003e\n\u003chr style=\"margin: 24px 0;\"\u003e\n\u003ch3\u003eWhat’s Included in This Kit\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e 25W-40 Four-Stroke Engine Oil (Quart)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Gear Lube (Quart)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Fuel Filter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Oil Drain Seal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2 x\u003c\/strong\u003e Gearcase Drain Seals\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Thermostat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Thermostat Gasket\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2 x\u003c\/strong\u003e Spark Plugs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Water Impeller Kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Anode\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr style=\"margin: 24px 0;\"\u003e\n\u003ch3\u003eWhy This Kit Makes Service Easier\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMilestone coverage:\u003c\/strong\u003e Combines fluids, seals, filters, cooling parts, and ignition components in one kit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCooling system refresh:\u003c\/strong\u003e Thermostat and impeller service helps maintain proper water flow and stable operating temperature.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFuel-side protection:\u003c\/strong\u003e Replacing the fuel filter helps reduce debris and contamination reaching critical components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrosion defense:\u003c\/strong\u003e Includes an anode to help reduce galvanic corrosion in marine environments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr style=\"margin: 24px 0;\"\u003e\n\u003ch3\u003eService Notes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned specifically for Mercury 8\/9.9 HP models with Command Thrust\/Bigfoot gearcases.\u003c\/li\u003e\n\u003cli\u003eReplace drain seals during every service to help maintain a proper seal.\u003c\/li\u003e\n\u003cli\u003eDispose of used oil and gear lube according to local regulations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr style=\"margin: 24px 0;\"\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this kit fit standard gearcase models?\u003c\/strong\u003e\u003cbr\u003eNo. This kit is intended for \u003cstrong\u003eCommand Thrust\/Bigfoot gearcases only\u003c\/strong\u003e. Standard gearcase models require a different service kit.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy are 2 gearcase drain seals included?\u003c\/strong\u003e\u003cbr\u003eMany gearcases use sealing washers at both the drain and vent screws, so replacing both helps ensure a proper seal after service.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow do I confirm compatibility?\u003c\/strong\u003e\u003cbr\u003eVerify your engine serial number is \u003cstrong\u003e0R042475 or higher\u003c\/strong\u003e and confirm your outboard is equipped with a Command Thrust\/Bigfoot gearcase before ordering.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":47125896069411,"sku":"PVM00092","price":234.47,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/8m0120867-2540.jpg?v=1701377082"},{"product_id":"mercury-8-9-9-hp-complete-300-hour-service-maintenance-kit-25w-40-synthetic-blend-command-thrust-bigfoot-only-8m0120867-s-n-0r042475-above","title":"Mercury 8\/9.9 HP Complete 300 Hour Service Maintenance Kit 25W-40 Synthetic Blend Command Thrust\/Bigfoot Only 8M0120867 - S\/N 0R042475 \u0026 Above","description":"\u003cp\u003eWant to know more about how your engine is breaking-in or wearing? Curious about whether or not your oil is doing its job? Want to be ahead of problems that may develop? PartsVu has partnered with Blackstone Laboratories and we are now offering professional \u003ca href=\"https:\/\/partsvu.com\/collections\/blackstone-laboratories\"\u003eoil analysis kits\u003c\/a\u003e. Results are typically received in a few days via email. \u003ca href=\"https:\/\/partsvu.com\/collections\/blackstone-laboratories\"\u003eShop now\u003c\/a\u003e.\u003c\/p\u003e\u003ch2\u003eMercury | 300 Hour Service Kit | 8\/9.9 HP Command Thrust \/ Bigfoot | 8M0120867\u003c\/h2\u003e\n\n\u003cp\u003eKeep your Mercury 8HP or 9.9HP Command Thrust (Bigfoot) outboard running strong with this complete \u003cstrong\u003e300 Hour Service Kit – 8M0120867\u003c\/strong\u003e. Designed for engines with serial numbers \u003cstrong\u003e0R042475 and above\u003c\/strong\u003e, this kit includes the core maintenance components required at the 300-hour service interval to support performance, reliability, and long engine life.\u003c\/p\u003e\n\n\u003cp\u003eAt 300 hours, your outboard benefits from fresh lubrication, cooling system inspection, ignition refresh, and updated sealing components. This kit bundles everything together so you can complete the service efficiently without tracking down individual parts.\u003c\/p\u003e\n\n\u003chr style=\"margin:24px 0;\"\u003e\n\n\u003ch3\u003eWhat’s Included in This Kit\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Quart of 25W-40 Synthetic Blend Engine Oil\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Quart of Mercury Gear Lube\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Fuel Filter\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Oil Drain Seal\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e2 x\u003c\/strong\u003e Gearcase Drain Seals\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Thermostat\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Thermostat Gasket\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e2 x\u003c\/strong\u003e Spark Plugs\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Water Pump Impeller Kit\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Anode\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr style=\"margin:24px 0;\"\u003e\n\n\u003ch3\u003eWhy the 300 Hour Service Matters\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLubrication refresh:\u003c\/strong\u003e Replacing engine oil and gear lube helps maintain proper internal protection.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCooling system maintenance:\u003c\/strong\u003e A new thermostat and impeller kit support consistent operating temperature.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIgnition reliability:\u003c\/strong\u003e Fresh spark plugs help ensure clean starts and efficient combustion.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCorrosion protection:\u003c\/strong\u003e Replacing the anode helps defend internal components from galvanic corrosion.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLeak prevention:\u003c\/strong\u003e New drain seals support proper sealing after service.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr style=\"margin:24px 0;\"\u003e\n\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eMercury 8 HP Command Thrust (Bigfoot)\u003c\/li\u003e\n  \u003cli\u003eMercury 9.9 HP Command Thrust (Bigfoot)\u003c\/li\u003e\n  \u003cli\u003eSerial Numbers \u003cstrong\u003e0R042475 \u0026amp; Above\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eThis kit is engineered specifically for Bigfoot \/ Command Thrust gearcases. Always verify your serial number before ordering to ensure correct fitment.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":47125896102179,"sku":"PVM00093","price":237.47,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/8m0120867_2540.jpg?v=1701377083"},{"product_id":"blackstone-laboratories-oil-analysis-kit-engine-or-transmission-oil-testing-4-pack","title":"Blackstone Laboratories Oil Analysis Kit - Engine or Transmission Oil Testing - 4-pack","description":"\u003cp\u003ePartsVu has partnered with Blackstone Labratories to give you the opportunity to know exactly how your engine, transmission, gear set, or generator is performing right now, through oil analysis. \u003c\/p\u003e\n\u003cp\u003eYou will receive everything you need to ship an oil sample to the professionals at Blackstone. The lab report will indicate if oil change intervals are on time, if there are contaminants like water, coolant, or salt present, and analyze a full spectrum of metals that might identify premature engine wear before it results in a costly or dangerous failure.\u003c\/p\u003e\n\u003cp\u003eThese oil sample kits can be used with inboard, outboard, gas, and diesel engines. The kits come complete with the following:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSample Bottle\u003c\/li\u003e\n\u003cli\u003ePlastic Bag \u0026amp; Absorbent Mat\u003c\/li\u003e\n\u003cli\u003eExternal Contaminent Bottle\u003c\/li\u003e\n\u003cli\u003ePrepaid Shipping Label to send the oil sample back to Blackstone Labs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eSimply collect a small sample, fill out the sample card and drop the kit in the mailbox. Once Blackstone receives the oil sample, in a few days you will receive an email with the test results and a simplified breakdown of what the results mean. \u003c\/p\u003e\n\u003cp\u003eBlackstone will archive your sample and it can be used for future testing to further determine how your boat is performing over time.\u003c\/p\u003e\n\u003cp\u003eBelow is a sample report:\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/www.partsvu.com\/pub\/media\/wysiwyg\/BlackstoneLabSample1_2.jpg\"\u003e\u003c\/p\u003e","brand":"PartsVu","offers":[{"title":"Default Title","offer_id":48330423107875,"sku":"PVA00002","price":140.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/blackstone_4pack1_1.jpg?v=1714497760"},{"product_id":"mercury-outboard-winterizing-kit","title":"Mercury Outboard Winterizing Kit","description":"\u003ch2\u003eMercury Outboard Winterizing Kit\u003c\/h2\u003e\n\u003cp\u003ePreparing your Mercury outboard for winter storage doesn’t have to be stressful. The Mercury Outboard Winterizing Kit includes the exact OEM products designed to keep your engine protected during the off-season. To ensure your outboard starts strong next season, it’s essential to address several key components. This includes stabilizing your fuel, coating internal parts, and lubricating high-wear areas. The kit provides flexible size options for fuel stabilizer and grease, and you can also choose to add dielectric grease for enhanced electrical protection. For a full walkthrough of the process, check out our \u003ca href=\"https:\/\/partsvu.com\/blogs\/boating-resources\/winterizing-outboard-motor-mercury-marine-essential-maintenance\" target=\"_blank\"\u003eMercury Winterizing Guide\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFuel Stabilizer – Keeps gas fresh\u003c\/strong\u003e – \u003ca href=\"https:\/\/partsvu.com\/products\/mercury-quickstor-fuel-stabilizer-12-oz-92-8m0047932\" target=\"_blank\"\u003eMercury Quickstor Fuel Stabilizer – 12 oz.\u003c\/a\u003e or \u003ca href=\"https:\/\/partsvu.com\/products\/mercury-quickstor-fuel-stabilizer-32-oz-92-8m0058692\" target=\"_blank\"\u003e32 oz.\u003c\/a\u003e. Prevents phase separation, fights varnish deposits, and helps your engine start easily after months of storage. Perfect for both small tanks and larger multi-tank setups.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFogging Oil – Protects internal parts\u003c\/strong\u003e – \u003ca href=\"https:\/\/partsvu.com\/products\/mercury-storage-seal-fogging-oil-12-oz-92-858081k03\" target=\"_blank\"\u003eMercury Storage Seal Fogging Oil – 12 oz.\u003c\/a\u003e. Coats cylinders and injectors with a corrosion-resistant film to block moisture intrusion and keep metal surfaces from pitting. Essential for long-term engine protection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrease – Fights wear and corrosion\u003c\/strong\u003e – \u003ca href=\"https:\/\/partsvu.com\/collections\/mercury-quicksilver-corrosion-inhibitors-grease\/products\/mercury-2-4-c-marine-grease-with-ptfe-8-oz-92-802859a1\" target=\"_blank\"\u003eMercury 2-4-C Marine Grease – 8 oz.\u003c\/a\u003e or \u003ca rel=\"noopener\" href=\"https:\/\/partsvu.com\/products\/mercury-greasex-14oz-92-8m0190472\" target=\"_blank\"\u003e14 oz. cartridge\u003c\/a\u003e. Specially formulated with PTFE to provide long-lasting lubrication for prop shafts, steering linkages, and fittings. Protects against saltwater intrusion and seizing.\u003c\/li\u003e\n\u003cli\u003eDielectric Grease (Optional) – Safeguards connections – \u003ca href=\"https:\/\/partsvu.com\/products\/permatex-dielectric-tune-up-grease-33-oz-81150\" target=\"_blank\"\u003ePermatex Dielectric Tune-Up Grease – .33 oz.\u003c\/a\u003e. A simple but effective way to keep plugs and terminals free of moisture and corrosion, reducing electrical issues.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM-approved products\u003c\/strong\u003e – Every item in this kit is Mercury-tested and formulated for outboard use, ensuring the right chemistry for your engine.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexibility in size\u003c\/strong\u003e – Choose the bottle or cartridge size that best fits your outboard and fuel system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSimplifies maintenance\u003c\/strong\u003e – Rather than sourcing items separately, this kit bundles together everything Mercury recommends for proper winterization.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngine longevity\u003c\/strong\u003e – Using these products as directed reduces risk of costly repairs, extends engine life, and ensures smoother performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrusted by professionals\u003c\/strong\u003e – The same products marine techs rely on for seasonal prep, now packaged for DIY boaters.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eStoring your boat for the off-season is about prevention. With the Mercury Outboard Winterizing Kit, you effectively protect every essential system — fuel, internal components, moving parts, and electrical systems. It's a wise investment that ensures your outboard remains reliable, efficient, and ready for spring launch.\u003c\/p\u003e\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this kit compatible with outboards that are not made by Mercury?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: While designed for Mercury, the stabilizer, fogging oil, and grease are high-quality marine-grade products that can be used across most brands. For best results, stick with OEM for your engine.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Do I need the larger sizes of stabilizer or grease?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Not necessarily. The 32 oz. stabilizer and 14 oz. grease cartridge are best for larger tanks or frequent service work. When it comes to single-outboard setups, smaller sizes often do the trick! They pack a punch while keeping things sleek and efficient.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is winterization really necessary if I only store my boat for a couple of months?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Yes. Even short storage periods can lead to stale fuel, internal corrosion, and seized fittings. A proper winterization routine ensures your engine is protected regardless of downtime.\u003c\/p\u003e","brand":"PartsVu","offers":[{"title":"12 oz. \/ 12 oz. \/ 8 oz. Mercury Grease","offer_id":54304344834339,"sku":"C-PVMP-05442","price":43.97,"currency_code":"USD","in_stock":true},{"title":"12 oz. \/ 12 oz. \/ 8 oz. Mercury Grease + Dielectric Grease (Optional)","offer_id":54304344867107,"sku":"C-PVMP-05443","price":51.09,"currency_code":"USD","in_stock":true},{"title":"12 oz. \/ 12 oz. \/ 14 oz. Mercury Grease","offer_id":54304344899875,"sku":"C-PVMP-05444","price":46.97,"currency_code":"USD","in_stock":true},{"title":"12 oz. \/ 12 oz. \/ 14 oz. Mercury Grease + Dielectric Grease (Optional)","offer_id":54304344932643,"sku":"C-PVMP-05445","price":54.09,"currency_code":"USD","in_stock":true},{"title":"32 oz. \/ 12 oz. \/ 8 oz. Mercury Grease","offer_id":54304344965411,"sku":"C-PVMP-05446","price":55.56,"currency_code":"USD","in_stock":true},{"title":"32 oz. \/ 12 oz. \/ 8 oz. Mercury Grease + Dielectric Grease (Optional)","offer_id":54304344998179,"sku":"C-PVMP-05447","price":62.68,"currency_code":"USD","in_stock":true},{"title":"32 oz. \/ 12 oz. \/ 14 oz. Mercury Grease","offer_id":54304345030947,"sku":"C-PVMP-05448","price":58.56,"currency_code":"USD","in_stock":true},{"title":"32 oz. \/ 12 oz. \/ 14 oz. Mercury Grease + Dielectric Grease (Optional)","offer_id":54304345063715,"sku":"C-PVMP-05449","price":65.68,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/C-PVMP-05442.jpg?v=1756846488"}],"url":"https:\/\/partsvu.com\/en-ca\/collections\/sale-mercury-8-9-9-hp-100-300-hour-maintenance-kits-for-s-n-0r042475-above.oembed","provider":"PartsVu","version":"1.0","type":"link"}