{"product_id":"12685653-genuine-gm-crankshaft-for-gm-engine","title":"12685653 Genuine GM Crankshaft For GM Engine","description":"\u003ch2 data-start=\"479\" data-end=\"779\"\u003eDescription\u003c\/h2\u003e\n\u003cp data-end=\"443\" data-start=\"79\"\u003eThe 12685653 is a genuine GM crankshaft designed to transfer piston movement into rotational force used to drive the engine. It is manufactured with precise machining to maintain correct internal balance, strength, and alignment inside the engine block.\u003c\/p\u003e\n\u003ch2\u003eGeneral Specifications\u003c\/h2\u003e\n\u003cdiv style=\"width: 100%; display: block;\"\u003e\n\u003ctable style=\"height: 108px; width: 100% !important; table-layout: fixed !important; display: table !important;\" class=\"product-table\"\u003e\n\u003ccolgroup\u003e\n\u003ccol style=\"width: 29.7101%;\"\u003e\n\u003ccol style=\"width: 69.9275%;\"\u003e\n\u003c\/colgroup\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12685653\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 10px;\"\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCrankshaft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e49.7 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp data-start=\"1555\" data-end=\"1574\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch2 data-start=\"1555\" data-end=\"1574\"\u003eProduct Features\u003c\/h2\u003e\n\u003cp\u003eThe 12685653 crankshaft is built to match factory engine performance and installation requirements:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eGenuine GM crankshaft assembly\u003c\/li\u003e\n\u003cli\u003eConverts piston movement into rotational engine output\u003c\/li\u003e\n\u003cli\u003ePrecision-machined journals support proper bearing operation\u003c\/li\u003e\n\u003cli\u003eDesigned to maintain factory engine balance and internal alignment\u003c\/li\u003e\n\u003cli\u003eEngineered to meet GM engine block dimensional specifications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-start=\"1893\" data-end=\"1913\"\u003eApplication Notes\u003c\/h2\u003e\n\u003cp data-end=\"1287\" data-start=\"1180\"\u003eThe 12685653 is designed for GM engines that require this specific crankshaft configuration. Proper installation helps maintain correct engine rotation and internal component alignment.\u003c\/p\u003e\n\u003cblockquote\u003e\n\u003cp data-end=\"1407\" data-start=\"1289\"\u003eAlways verify part number, engine configuration, and crankshaft compatibility before installation.\u003c\/p\u003e\n\u003c\/blockquote\u003e","brand":"GM","offers":[{"title":"Default Title","offer_id":48428001034467,"sku":"12685653","price":1434.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0769\/5122\/4547\/files\/s-l1600_ee49798c-2179-4926-a640-495b63121d58.webp?v=1772714833","url":"https:\/\/unitautoparts.com\/products\/12685653-genuine-gm-crankshaft-for-gm-engine","provider":"Unit Auto Parts","version":"1.0","type":"link"}