{"product_id":"mercury-diaphragm-kit-1399-5137","title":"Mercury – Quicksilver Carburetor Diaphragm Kit | Fuel System Component | Vintage 2-Stroke | 5137","description":"\u003cp data-start=\"0\" data-end=\"102\"\u003e\u003cstrong data-start=\"0\" data-end=\"100\"\u003eMercury – Quicksilver Carburetor Diaphragm Kit | Fuel System Component | Vintage 2-Stroke | 5137\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"104\" data-end=\"107\"\u003e\n\u003ch3 data-start=\"109\" data-end=\"127\"\u003e\u003cstrong data-start=\"113\" data-end=\"125\"\u003eOverview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"128\" data-end=\"682\"\u003eIf your classic Mercury or Mariner 2-stroke is starting to stumble or lose power, it could be time to freshen up the carb. The \u003cstrong data-start=\"255\" data-end=\"315\"\u003eMercury Marine 5137 Quicksilver Carburetor Diaphragm Kit\u003c\/strong\u003e is built for \u003cstrong data-start=\"329\" data-end=\"379\"\u003evintage 7.5–50HP Mercury and Mariner outboards\u003c\/strong\u003e, restoring the flexible internal parts that control fuel delivery. Over time, old diaphragms harden or crack, causing lean conditions or rough idle. This OEM kit includes \u003cstrong data-start=\"551\" data-end=\"580\"\u003efive precision diaphragms\u003c\/strong\u003e, designed to fit perfectly and bring your outboard’s carburetor back to smooth, reliable operation.\u003c\/p\u003e\n\u003chr data-start=\"684\" data-end=\"687\"\u003e\n\u003ch3 data-start=\"689\" data-end=\"711\"\u003e\u003cstrong data-start=\"693\" data-end=\"709\"\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"714\" data-end=\"794\"\u003e\n\u003cstrong data-start=\"714\" data-end=\"726\"\u003ePurpose:\u003c\/strong\u003e Restores fuel delivery consistency in older 2-stroke carburetors.\u003c\/li\u003e\n\u003cli data-start=\"797\" data-end=\"894\"\u003e\n\u003cstrong data-start=\"797\" data-end=\"810\"\u003eContents:\u003c\/strong\u003e Includes \u003cstrong data-start=\"820\" data-end=\"851\"\u003efive replacement diaphragms\u003c\/strong\u003e made to original Mercury specifications.\u003c\/li\u003e\n\u003cli data-start=\"897\" data-end=\"1004\"\u003e\n\u003cstrong data-start=\"897\" data-end=\"910\"\u003eMaterial:\u003c\/strong\u003e Built from \u003cstrong data-start=\"922\" data-end=\"961\"\u003efuel-resistant, marine-grade rubber\u003c\/strong\u003e that stays flexible season after season.\u003c\/li\u003e\n\u003cli data-start=\"1007\" data-end=\"1105\"\u003e\n\u003cstrong data-start=\"1007\" data-end=\"1023\"\u003ePerformance:\u003c\/strong\u003e Helps eliminate hard starts, surging, and hesitation caused by worn diaphragms.\u003c\/li\u003e\n\u003cli data-start=\"1108\" data-end=\"1206\"\u003e\n\u003cstrong data-start=\"1108\" data-end=\"1119\"\u003eDesign:\u003c\/strong\u003e Precisely molded to fit vintage \u003cstrong data-start=\"1152\" data-end=\"1203\"\u003e7.5–50HP Mercury and Mariner 2-stroke outboards\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli data-start=\"1209\" data-end=\"1316\"\u003e\n\u003cstrong data-start=\"1209\" data-end=\"1225\"\u003eEase of Use:\u003c\/strong\u003e Installs easily with standard tools — refer to your service manual for proper procedure.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1318\" data-end=\"1321\"\u003e\n\u003ch3 data-start=\"1323\" data-end=\"1360\"\u003e\u003cstrong data-start=\"1327\" data-end=\"1358\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"1363\" data-end=\"1405\"\u003eVintage Mercury 7.5HP 2-stroke outboards\u003c\/li\u003e\n\u003cli data-start=\"1408\" data-end=\"1450\"\u003eVintage Mercury 9.8HP 2-stroke outboards\u003c\/li\u003e\n\u003cli data-start=\"1453\" data-end=\"1509\"\u003eMercury 20HP, 25HP, and 35HP inline 2-stroke outboards\u003c\/li\u003e\n\u003cli data-start=\"1512\" data-end=\"1568\"\u003eMercury and Mariner 40–50HP classic 2-stroke outboards\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1570\" data-end=\"1573\"\u003e\n\u003ch3 data-start=\"1575\" data-end=\"1618\"\u003e\u003cstrong data-start=\"1579\" data-end=\"1616\"\u003ePerformance \u0026amp; Real-World Benefits\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"1619\" data-end=\"1936\"\u003eThe \u003cstrong data-start=\"1623\" data-end=\"1645\"\u003e5137 diaphragm kit\u003c\/strong\u003e breathes new life into classic Mercury and Mariner engines. By restoring the flexible diaphragms inside the carburetor, it helps maintain steady fuel flow, preventing bogging and stalling when you accelerate. The result is cleaner idle, stronger throttle response, and easier cold starts.\u003c\/p\u003e\n\u003cp data-start=\"1938\" data-end=\"2206\"\u003eVintage engines depend on proper fuel metering, and fresh diaphragms make all the difference. Whether you’re restoring a classic outboard or keeping a trusted old motor alive, this kit brings it back to the reliable, steady performance Mercury engines are known for.\u003c\/p\u003e\n\u003chr data-start=\"2208\" data-end=\"2211\"\u003e\n\u003ch3 data-start=\"2213\" data-end=\"2245\"\u003e\u003cstrong data-start=\"2217\" data-end=\"2243\"\u003eWhy Choose Mercury OEM\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"2246\" data-end=\"2516\"\u003eThe \u003cstrong data-start=\"2250\" data-end=\"2270\"\u003eQuicksilver 5137\u003c\/strong\u003e is a \u003cstrong data-start=\"2276\" data-end=\"2307\"\u003egenuine Mercury Marine part\u003c\/strong\u003e, designed specifically for the carburetor systems used in older 2-stroke engines. Aftermarket kits often include mismatched diaphragms made from cheaper materials that can swell, tear, or stiffen over time.\u003c\/p\u003e\n\u003cp data-start=\"2518\" data-end=\"2758\"\u003eMercury’s OEM diaphragms are fuel-resistant, precision-cut, and tested for the right flexibility to deliver consistent performance. Using factory parts ensures your carb rebuild lasts longer and your engine runs exactly the way it should.\u003c\/p\u003e\n\u003chr data-start=\"2760\" data-end=\"2763\"\u003e\n\u003ch3 data-start=\"2765\" data-end=\"2778\"\u003e\u003cstrong data-start=\"2769\" data-end=\"2776\"\u003eFAQ\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"2780\" data-end=\"2898\"\u003e\u003cstrong data-start=\"2780\" data-end=\"2819\"\u003eQ1: What engines does this kit fit?\u003c\/strong\u003e\u003cbr data-start=\"2819\" data-end=\"2822\"\u003eIt’s made for \u003cstrong data-start=\"2836\" data-end=\"2895\"\u003evintage Mercury and Mariner 7.5–50HP 2-stroke outboards\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"2900\" data-end=\"3021\"\u003e\u003cstrong data-start=\"2900\" data-end=\"2935\"\u003eQ2: What’s included in the kit?\u003c\/strong\u003e\u003cbr data-start=\"2935\" data-end=\"2938\"\u003eYou’ll receive \u003cstrong data-start=\"2953\" data-end=\"2984\"\u003efive replacement diaphragms\u003c\/strong\u003e for a complete carburetor rebuild.\u003c\/p\u003e\n\u003cp data-start=\"3023\" data-end=\"3160\"\u003e\u003cstrong data-start=\"3023\" data-end=\"3069\"\u003eQ3: What are the signs of a bad diaphragm?\u003c\/strong\u003e\u003cbr data-start=\"3069\" data-end=\"3072\"\u003eHard starts, uneven idle, stalling, or poor throttle response are all common symptoms.\u003c\/p\u003e\n\u003cp data-start=\"3162\" data-end=\"3288\"\u003e\u003cstrong data-start=\"3162\" data-end=\"3192\"\u003eQ4: Is this kit fuel-safe?\u003c\/strong\u003e\u003cbr data-start=\"3192\" data-end=\"3195\"\u003eYes — the diaphragms are made from \u003cstrong data-start=\"3230\" data-end=\"3253\"\u003emarine-rated rubber\u003c\/strong\u003e designed to handle modern fuels.\u003c\/p\u003e\n\u003cp data-start=\"3290\" data-end=\"3445\"\u003e\u003cstrong data-start=\"3290\" data-end=\"3329\"\u003eQ5: Why OEM instead of aftermarket?\u003c\/strong\u003e\u003cbr data-start=\"3329\" data-end=\"3332\"\u003eMercury OEM diaphragms fit perfectly, last longer, and resist ethanol-related wear better than off-brand parts.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46941410820387,"sku":"1399-5137","price":12.03,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/5137_main.jpg?v=1760631181","url":"https:\/\/partsvu.com\/en-mx\/products\/mercury-diaphragm-kit-1399-5137","provider":"PartsVu","version":"1.0","type":"link"}