{"product_id":"mercruiser-4-3l-v6-470-3-7l-4cyl-1-84-upper-gearcase-mr-alpha-one-1983-90-17-19t","title":"MerCruiser 4.3L V6 470 3.7L 4cyl 1.84 Upper Gearcase MR Alpha One 1983-90 17\/19T","description":"\u003cdiv\u003eItem Details\u003c\/div\u003e\n\u003cul\u003e\n\u003cli dir=\"ltr\"\u003e\n\u003cstrong\u003eFor use with MerCruiser 185hp 205hp 4.3L \u0026amp; \"470\" 3.7L 4cyl engines 1983-1990\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli dir=\"ltr\"\u003e17\/19T Gear ratio (Gear Set 43-75325A3)\u003c\/li\u003e\n\u003cli dir=\"ltr\"\u003eAssembly part number should be 1547-9412A22\u003c\/li\u003e\n\u003cli dir=\"ltr\"\u003eThis has the larger rectangle splash plate that you would see on the 1983-1990 models housings as well as the 9-9\/16\" Yoke for those years.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\"\u003eNo leaks or bad seals found after pressure testing.\u003c\/li\u003e\n\u003cli dir=\"ltr\"\u003e\u003cspan style=\"color: #0000ff;\"\u003e\u003cstrong\u003eFreshwater Used Part\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\"\u003e\n\u003cstrong\u003eOriginal Paint.\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli dir=\"ltr\"\u003e\u003cspan style=\"color: #c0392b;\"\u003e\u003cstrong\u003e\u003cu\u003eThis will be drained of gear oil before shipping and will need to be refilled before use.\u003c\/u\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\"\u003eFreshwater used part.\u003c\/li\u003e\n\u003cli dir=\"ltr\"\u003e\n\u003cu\u003eUPS Shipping\u003c\/u\u003e so you get it in a reasonable time frame!\u003c\/li\u003e\n\u003cli dir=\"ltr\"\u003ePurchase with confidence!\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e1987 1988 1989 1990 Outdrive Sterndrive\u003c\/p\u003e","brand":"MerCruiser","offers":[{"title":"Default Title","offer_id":43672765530209,"sku":null,"price":600.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0748\/6631\/files\/PXL_20250724_142422861.jpg?v=1771611990","url":"https:\/\/www.nlamarine.com\/products\/mercruiser-4-3l-v6-470-3-7l-4cyl-1-84-upper-gearcase-mr-alpha-one-1983-90-17-19t","provider":"NLA Marine","version":"1.0","type":"link"}