{"product_id":"1547-9412a21-mercury-mercruiser-upper-unit-gear-case-83-90-1-65r-5-0l-4-3l-3-7l","title":"1547-9412A21 Mercury Mercruiser Upper Unit Gear Case 83-90 1.65R 5.0L 4.3L 3.7L","description":"\u003cp\u003e\u003cstrong\u003eMercury Mercruiser Upper Unit Gear Case\u003c\/strong\u003e for 1983-1990 models with 5.0L, 4.3L, and 3.7L engines. This OEM-quality replacement features a 1.65R gear ratio and complete upper drive assembly for reliable water-cooled performance.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eFits: 1983-1990 Mercury Mercruiser engines\u003c\/li\u003e\n\u003cli\u003eEngine compatibility: 5.0L, 4.3L, 3.7L\u003c\/li\u003e\n\u003cli\u003eGear ratio: 1.65R\u003c\/li\u003e\n\u003cli\u003eComplete upper unit assembly with internal gears\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eDirect replacement restores proper shifting, thrust, and fuel efficiency without modification to your existing drive shaft or lower unit.\u003c\/p\u003e","brand":"eBay Import","offers":[{"title":"Default Title","offer_id":46019293479014,"sku":null,"price":1019.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0703\/4630\/9734\/files\/s-l100_e4883106-afaa-4695-a5ff-0877853d53f5.jpg?v=1784931554","url":"https:\/\/findmypart.shop\/products\/1547-9412a21-mercury-mercruiser-upper-unit-gear-case-83-90-1-65r-5-0l-4-3l-3-7l","provider":"Find My Part","version":"1.0","type":"link"}