{"product_id":"mahle-lower-engine-gasket-set-cs54580-2001-2007-6-6l-duramax-lb7-lly-lbz","title":"MAHLE LOWER ENGINE GASKET SET CS54580 | 2001-2007 6.6L DURAMAX LB7\/LLY\/LBZ","description":"\u003cp\u003eComplete the lower-end sealing components on your 2001–2007 GM 6.6L Duramax with the MAHLE CS54580 Lower Engine Gasket Set. Designed to meet OEM standards, this engine conversion gasket set provides the gaskets and seals needed for lower-engine service, repair, or rebuild applications.\u003c\/p\u003e\n\n\u003cp\u003eThe CS54580 is designed to be paired with the appropriate \u003cstrong\u003eMAHLE cylinder head gasket set\u003c\/strong\u003e when assembling a complete engine gasket package. The set contains 19 components, including miscellaneous gaskets and seals, timing cover sealing components, a rear main seal, and oil pan sealing materials.\u003c\/p\u003e\n\n\u003cp\u003eMAHLE manufactures this gasket set as a direct replacement solution for proper fit and sealing performance in compatible Duramax applications.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOEM-standard replacement\u003c\/strong\u003e – Designed for proper fit and sealing performance\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLower engine gasket set\u003c\/strong\u003e – Provides sealing components for lower-engine service and rebuild applications\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e19-piece package\u003c\/strong\u003e – Contains miscellaneous engine gaskets and seals\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eWater pump gasket included\u003c\/strong\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eTiming cover gaskets and seals included\u003c\/strong\u003e\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRear main seal included\u003c\/strong\u003e – Rubber rear main seal construction\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOil pan sealing components included\u003c\/strong\u003e – Uses RTV sealing material\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDesigned to complement a MAHLE head set\u003c\/strong\u003e – Can be combined with the appropriate upper gasket set for a more complete engine gasket package\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Quantity:\u003c\/strong\u003e 19\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eItem Grade:\u003c\/strong\u003e OEM Standard\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWater Pump Gasket Included:\u003c\/strong\u003e Yes\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWater Outlet Gasket Included:\u003c\/strong\u003e No\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTiming Cover Gaskets\/Seal Included:\u003c\/strong\u003e Yes\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRear Main Seal Included:\u003c\/strong\u003e Yes\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRear Main Seal Material:\u003c\/strong\u003e Rubber\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOil Pan Gasket\/Sealing Material Included:\u003c\/strong\u003e Yes\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOil Pan Sealing Material:\u003c\/strong\u003e RTV\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHead Fasteners Included:\u003c\/strong\u003e No\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFuel Pump Gasket Included:\u003c\/strong\u003e No\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCylinder Head Gaskets Included:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplication Notes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eThis is a lower engine\/conversion gasket set and does not include cylinder head gaskets or head fasteners.\u003c\/li\u003e\n  \u003cli\u003eDesigned to be used with the appropriate MAHLE head set when a complete engine gasket package is required.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e 2001–2007 GM 6.6L Duramax\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e CS54580\u003c\/p\u003e","brand":"MAHLE","offers":[{"title":"Default Title","offer_id":54065608622363,"sku":"CS54580","price":145.29,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/5757\/3147\/files\/Screenshot2026-09-29at12.26.47PM.png?v=1790738342","url":"https:\/\/wwmperformance.com\/products\/mahle-lower-engine-gasket-set-cs54580-2001-2007-6-6l-duramax-lb7-lly-lbz","provider":"WWM Performance","version":"1.0","type":"link"}