{"product_id":"mercury-mercruiser-aeu-alpha-one-gen-ii-gear-housing-2-00-2-40-ratio-standard-rotation-fits-alpha-one-gen-ii-1623-815822a55","title":"Mercury – Quicksilver 815822A55 Complete Standard Rotation (RH) Gearcase | Alpha One Gen II Sterndrives | 2.00 Gear Ratio | 815822A55","description":"\u003cp data-start=\"0\" data-end=\"139\"\u003e\u003cstrong data-start=\"0\" data-end=\"137\"\u003eMercury – Quicksilver 815822A55 Complete Standard Rotation (RH) Gearcase | Alpha One Gen II Sterndrives | 2.00 Gear Ratio | 815822A55\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"141\" data-end=\"144\"\u003e\n\u003ch3 data-start=\"146\" data-end=\"164\"\u003e\u003cstrong data-start=\"150\" data-end=\"162\"\u003eOverview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"165\" data-end=\"629\"\u003eWhen your drive starts to show its age, the best fix is a true factory replacement. The \u003cstrong data-start=\"253\" data-end=\"305\"\u003eQuicksilver 815822A55 Standard Rotation Gearcase\u003c\/strong\u003e gives your \u003cstrong data-start=\"317\" data-end=\"363\"\u003eMerCruiser or Quicksilver Alpha One Gen II\u003c\/strong\u003e sterndrive a second life with the same performance and dependability it had the day it left the factory. Built for units with a \u003cstrong data-start=\"492\" data-end=\"513\"\u003e2.00:1 gear ratio\u003c\/strong\u003e, this complete OEM gearcase is made to handle years of hard running, from weekend cruises to long hauls offshore.\u003c\/p\u003e\n\u003cp data-start=\"631\" data-end=\"827\"\u003eThis isn’t a reconditioned part or an aftermarket copy. It’s the real deal — built with Mercury’s alloys, coatings, and precision-cut gears to keep your boat running smooth and quiet every trip.\u003c\/p\u003e\n\u003chr data-start=\"829\" data-end=\"832\"\u003e\n\u003ch3 data-start=\"834\" data-end=\"856\"\u003e\u003cstrong data-start=\"838\" data-end=\"854\"\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"859\" data-end=\"966\"\u003e\n\u003cstrong data-start=\"859\" data-end=\"871\"\u003ePurpose:\u003c\/strong\u003e Complete OEM replacement that restores smooth shifting, power delivery, and quiet operation.\u003c\/li\u003e\n\u003cli data-start=\"969\" data-end=\"1099\"\u003e\n\u003cstrong data-start=\"969\" data-end=\"981\"\u003eFitment:\u003c\/strong\u003e For \u003cstrong data-start=\"986\" data-end=\"1045\"\u003eMerCruiser and Quicksilver Alpha One Gen II sterndrives\u003c\/strong\u003e with a \u003cstrong data-start=\"1053\" data-end=\"1074\"\u003e2.00:1 gear ratio\u003c\/strong\u003e (right-hand rotation).\u003c\/li\u003e\n\u003cli data-start=\"1102\" data-end=\"1212\"\u003e\n\u003cstrong data-start=\"1102\" data-end=\"1120\"\u003eBuild Quality:\u003c\/strong\u003e Cast from \u003cstrong data-start=\"1131\" data-end=\"1166\"\u003eXK360 low-copper aluminum alloy\u003c\/strong\u003e that resists corrosion and flex under load.\u003c\/li\u003e\n\u003cli data-start=\"1215\" data-end=\"1340\"\u003e\n\u003cstrong data-start=\"1215\" data-end=\"1230\"\u003eProtection:\u003c\/strong\u003e Finished with Mercury’s \u003cstrong data-start=\"1255\" data-end=\"1275\"\u003eTri-Paint system\u003c\/strong\u003e, a triple-layer barrier designed to withstand saltwater abuse.\u003c\/li\u003e\n\u003cli data-start=\"1343\" data-end=\"1446\"\u003e\n\u003cstrong data-start=\"1343\" data-end=\"1359\"\u003eGear Design:\u003c\/strong\u003e \u003cstrong data-start=\"1360\" data-end=\"1392\"\u003eSpiral-cut steel bevel gears\u003c\/strong\u003e ensure quiet, strong, and efficient power transfer.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1448\" data-end=\"1451\"\u003e\n\u003ch3 data-start=\"1453\" data-end=\"1490\"\u003e\u003cstrong data-start=\"1457\" data-end=\"1488\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"1493\" data-end=\"1546\"\u003eStandard rotation (RH) Alpha One Gen II sterndrives\u003c\/li\u003e\n\u003cli data-start=\"1549\" data-end=\"1581\"\u003e2.00:1 gear ratio applications\u003c\/li\u003e\n\u003cli data-start=\"1584\" data-end=\"1671\"\u003eFound on popular single-drive setups: runabouts, bowriders, cruisers, and sport boats\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1673\" data-end=\"1676\"\u003e\n\u003ch3 data-start=\"1678\" data-end=\"1720\"\u003e\u003cstrong data-start=\"1682\" data-end=\"1718\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"1721\" data-end=\"2080\"\u003eA gearcase replacement is a big investment, and this one’s built to make it count. The \u003cstrong data-start=\"1808\" data-end=\"1821\"\u003e815822A55\u003c\/strong\u003e delivers the same feel and performance your boat had when it was new — crisp shifting, solid acceleration, and quiet running. The \u003cstrong data-start=\"1952\" data-end=\"1972\"\u003espiral-cut gears\u003c\/strong\u003e are machined for precision, reducing vibration while transferring torque smoothly through the prop shaft.\u003c\/p\u003e\n\u003cp data-start=\"2082\" data-end=\"2360\"\u003eThe \u003cstrong data-start=\"2086\" data-end=\"2103\"\u003eXK360 housing\u003c\/strong\u003e holds up to constant stress and salt exposure, and the \u003cstrong data-start=\"2159\" data-end=\"2179\"\u003eTri-Paint finish\u003c\/strong\u003e keeps corrosion at bay. Once installed, you’ll notice steadier handling, cleaner gear engagement, and a quieter cruise — all signs of a drive that’s working exactly as it should.\u003c\/p\u003e\n\u003chr data-start=\"2362\" data-end=\"2365\"\u003e\n\u003ch3 data-start=\"2367\" data-end=\"2388\"\u003e\u003cstrong data-start=\"2371\" data-end=\"2386\"\u003eWhy Buy OEM\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"2389\" data-end=\"2627\"\u003eThere’s no substitute for Mercury’s original engineering. Every OEM Quicksilver gearcase is built with exact factory tolerances and tested for real-world conditions — high torque, shifting under load, and constant exposure to saltwater.\u003c\/p\u003e\n\u003cp data-start=\"2629\" data-end=\"2871\"\u003eAftermarket cases often fall short. Even tiny differences in gear alignment or housing materials can cause noise, vibration, or early wear. Choosing OEM means everything fits right, runs smooth, and lasts longer — no surprises, no do-overs.\u003c\/p\u003e\n\u003chr data-start=\"2873\" data-end=\"2876\"\u003e\n\u003ch3 data-start=\"2878\" data-end=\"2891\"\u003e\u003cstrong data-start=\"2882\" data-end=\"2889\"\u003eFAQ\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"2892\" data-end=\"3082\"\u003e\u003cstrong data-start=\"2892\" data-end=\"2951\"\u003eQ1: What drives use the Quicksilver 815822A55 gearcase?\u003c\/strong\u003e\u003cbr data-start=\"2951\" data-end=\"2954\"\u003eA: It fits \u003cstrong data-start=\"2965\" data-end=\"3024\"\u003eMerCruiser and Quicksilver Alpha One Gen II sterndrives\u003c\/strong\u003e with a \u003cstrong data-start=\"3032\" data-end=\"3053\"\u003e2.00:1 gear ratio\u003c\/strong\u003e in standard (RH) rotation.\u003c\/p\u003e\n\u003cp data-start=\"3084\" data-end=\"3193\"\u003e\u003cstrong data-start=\"3084\" data-end=\"3114\"\u003eQ2: Is it fully assembled?\u003c\/strong\u003e\u003cbr data-start=\"3114\" data-end=\"3117\"\u003eA: Yes. It’s a complete, ready-to-install gearcase built to OEM standards.\u003c\/p\u003e\n\u003cp data-start=\"3195\" data-end=\"3402\"\u003e\u003cstrong data-start=\"3195\" data-end=\"3237\"\u003eQ3: What makes it corrosion-resistant?\u003c\/strong\u003e\u003cbr data-start=\"3237\" data-end=\"3240\"\u003eA: The housing uses \u003cstrong data-start=\"3260\" data-end=\"3286\"\u003eXK360 low-copper alloy\u003c\/strong\u003e coated in Mercury’s \u003cstrong data-start=\"3307\" data-end=\"3327\"\u003eTri-Paint system\u003c\/strong\u003e — a three-layer barrier that protects against salt, heat, and oxidation.\u003c\/p\u003e\n\u003cp data-start=\"3404\" data-end=\"3573\"\u003e\u003cstrong data-start=\"3404\" data-end=\"3436\"\u003eQ4: Can I install it myself?\u003c\/strong\u003e\u003cbr data-start=\"3436\" data-end=\"3439\"\u003eA: It’s a direct replacement, but due to the precision required, many boaters choose to have it installed by a certified technician.\u003c\/p\u003e\n\u003cp data-start=\"3575\" data-end=\"3773\"\u003e\u003cstrong data-start=\"3575\" data-end=\"3608\"\u003eQ5: Why OEM over aftermarket?\u003c\/strong\u003e\u003cbr data-start=\"3608\" data-end=\"3611\"\u003eA: OEM gearcases are quieter, longer-lasting, and built to the same specs your drive was originally designed for. You get factory performance and peace of mind.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46941263069475,"sku":"1623-815822A55","price":2960.48,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/Gearcase_Alpha_I_Gen_II_Main.jpg?v=1760631195","url":"https:\/\/partsvu.com\/en-mx\/products\/mercury-mercruiser-aeu-alpha-one-gen-ii-gear-housing-2-00-2-40-ratio-standard-rotation-fits-alpha-one-gen-ii-1623-815822a55","provider":"PartsVu","version":"1.0","type":"link"}