{"product_id":"gm-12637785-head-gasketgrade-c-left-2001-2016-6-6l-duramax-lb7-lly-lbz-lmm-lml","title":"GM 12637785 HEAD GASKET(GRADE C, LEFT) | 2001-2016 6.6L DURAMAX LB7\/LLY\/LBZ\/LMM\/LML","description":"\u003cp\u003eRestore a proper seal between the cylinder head and engine block with the GM 12637785 Head Gasket. Designed as a direct replacement for the factory gasket, this genuine GM component delivers the fit, performance, and reliability expected from original equipment parts.\u003c\/p\u003e\n\u003cp\u003eManufactured to GM specifications, this Grade C head gasket features a 1.05mm thickness and is designed to provide a durable seal capable of withstanding the high cylinder pressures and temperatures found in diesel applications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eGenuine GM replacement component\u003c\/li\u003e\n\u003cli\u003eDirect-fit replacement\u003c\/li\u003e\n\u003cli\u003eLeft-side head gasket\u003c\/li\u003e\n\u003cli\u003eGrade C thickness (1.05mm)\u003c\/li\u003e\n\u003cli\u003eDesigned to meet original equipment specifications\u003c\/li\u003e\n\u003cli\u003eProvides a reliable seal between the cylinder head and engine block\u003c\/li\u003e\n\u003cli\u003eSold individually\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GM Genuine Parts","offers":[{"title":"Default Title","offer_id":52395271192859,"sku":"12637785","price":113.19,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/5757\/3147\/files\/Screenshot2026-06-24at12.41.32PM.png?v=1782329876","url":"https:\/\/wwmperformance.com\/products\/gm-12637785-head-gasketgrade-c-left-2001-2016-6-6l-duramax-lb7-lly-lbz-lmm-lml","provider":"WWM Performance","version":"1.0","type":"link"}