{"product_id":"12601388-genuine-gm-engine-block-assembly-for-silverado-sierra-6-6l-diesel","title":"12601388 Genuine GM Engine Block Assembly For Silverado Sierra 6.6L Diesel","description":"\u003ch2 data-start=\"479\" data-end=\"779\"\u003eDescription\u003c\/h2\u003e\n\u003cp data-end=\"512\" data-start=\"104\"\u003eThe 12601388 engine block assembly is the machined lower engine structure designed to house the crankshaft, pistons, and internal rotating components. It is manufactured to GM machining specifications to maintain proper engine alignment, sealing surfaces, and structural integrity.\u003c\/p\u003e\n\u003ch2\u003eGeneral Specifications\u003c\/h2\u003e\n\u003cdiv style=\"width: 100%; display: block;\"\u003e\n\u003ctable style=\"height: 137.2px; width: 100% !important; table-layout: fixed !important; display: table !important;\" class=\"product-table\"\u003e\n\u003ccolgroup\u003e \u003ccol style=\"width: 29.7677%;\"\u003e \u003ccol style=\"width: 70.0629%;\"\u003e \u003c\/colgroup\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"height: 19.6px;\"\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"height: 19.6px;\"\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"height: 19.6px;\"\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"height: 19.6px;\"\u003e12601388\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"height: 19.6px;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"height: 19.6px;\"\u003eGM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"height: 19.6px;\"\u003e\u003cstrong\u003ePart Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"height: 19.6px;\"\u003eEngine Block Assembly\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"height: 19.6px;\"\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"height: 19.6px;\"\u003e23.3 x 23.1 x 13.6 inches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"height: 19.6px;\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"height: 19.6px;\"\u003e80.60 Pounds\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 12601388 engine block assembly is built to match factory performance and installation requirements:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eManufactured as a precision-machined engine block structure.\u003c\/li\u003e\n\u003cli\u003eProvides mounting points for crankshaft, pistons, and internal engine components.\u003c\/li\u003e\n\u003cli\u003eMaintains correct cylinder alignment and engine geometry.\u003c\/li\u003e\n\u003cli\u003eDesigned to match GM engine machining tolerances.\u003c\/li\u003e\n\u003cli\u003eSupports proper sealing surfaces for gaskets and engine components.\u003c\/li\u003e\n\u003cli\u003eConstructed to maintain structural rigidity under engine load.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-start=\"1893\" data-end=\"1913\"\u003eApplication Notes\u003c\/h2\u003e\n\u003cp data-start=\"3420\" data-end=\"3618\"\u003eThe 12601388 engine block assembly is used as the primary structural component of the engine and supports all internal rotating assemblies. Always verify the part number and engine configuration before installation.\u003c\/p\u003e\n\u003cblockquote\u003e\n\u003cp data-start=\"3620\" data-end=\"3727\"\u003eAlways verify part number, vehicle year, and trim configuration before installation.\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003cdiv id=\"simple-translate\" class=\"simple-translate-system-theme\"\u003e\n\u003cdiv\u003e\n\u003cdiv style=\"background-image: url('moz-extension:\/\/f0c7af01-14a4-4ca2-976b-23f0daa5b120\/icons\/512.png'); height: 22px; width: 22px; top: 117px; left: 79px;\" class=\"simple-translate-button isShow\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"simple-translate-panel \" style=\"width: 300px; height: 200px; top: 0px; left: 0px; font-size: 13px;\"\u003e\n\u003cdiv class=\"simple-translate-result-wrapper\" style=\"overflow: hidden;\"\u003e\n\u003cdiv class=\"simple-translate-move\" draggable=\"true\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"simple-translate-result-contents\"\u003e\n\u003cp class=\"simple-translate-result\" dir=\"auto\"\u003e \u003c\/p\u003e\n\u003cp class=\"simple-translate-candidate\" dir=\"auto\"\u003e \u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"GM","offers":[{"title":"Default Title","offer_id":48435739853027,"sku":"12601388","price":736.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0769\/5122\/4547\/files\/s-l960_d802c444-eac7-44fd-a37a-2abe1ec572b0.webp?v=1773328214","url":"https:\/\/unitautoparts.com\/products\/12601388-genuine-gm-engine-block-assembly-for-silverado-sierra-6-6l-diesel","provider":"Unit Auto Parts","version":"1.0","type":"link"}