{"product_id":"2017-2023-6-6l-duramax-l5p-x-series-head-gasket-sets","title":"2017-2023 6.6L Duramax L5P X-Series Head Gaskets","description":"\u003ch2\u003eIndustrial Injection X-Series L5P Duramax Head Gaskets\u003c\/h2\u003e\n\u003cp\u003eGive your next diesel engine repair or rebuild a solid foundation with Industrial Injection X-Series Head Gaskets.\u003c\/p\u003e\n\u003cp\u003eDesigned for engine rebuilds and cylinder head resealing, these high-quality head gaskets help restore the critical seal between the cylinder head and engine block. Tested and approved in-house by Industrial Injection, X-Series head gaskets deliver sealing you can trust when it’s time to put your engine back together.\u003c\/p\u003e\n\u003cp\u003eWhether you’re replacing a head gasket, installing a cylinder head, or tackling a full rebuild, these gaskets help maintain combustion sealing and keep oil and coolant passages properly separated.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Quality Gaskets:\u003c\/strong\u003e Built for dependable sealing during engine rebuilds and cylinder head repairs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIn-House Tested \u0026amp; Approved:\u003c\/strong\u003e Evaluated by Industrial Injection for quality and performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCombustion Sealing:\u003c\/strong\u003e Help maintain the seal between the cylinder head and engine block.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFluid Separation:\u003c\/strong\u003e Help prevent oil and coolant from leaking between critical passages.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication-Specific Options:\u003c\/strong\u003e Choose the head gasket that matches your engine and repair needs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eOrdering Notes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSold individually. The L5P uses the same head gasket on both sides, so order two to do both heads.\u003c\/li\u003e\n\u003cli\u003eChoose the grade by piston protrusion, or match the grade of the gaskets that came out of the engine.\u003c\/li\u003e\n\u003cli\u003eGrade A 1.20MM, Grade B 1.25MM, Grade C 1.30MM; 105.66MM gasket bore.\u003c\/li\u003e\n\u003cli\u003ePair with the \u003ca href=\"\/products\/2017-2023-6-6l-duramax-l5p-x-series-gasket-sets\"\u003eX-Series L5P Upper kit (44DB01)\u003c\/a\u003e, which does not include head gaskets.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eOptions \u0026amp; Part Numbers\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrade A 1.20MM\u003c\/strong\u003e — Part # 44DB02\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrade B 1.25MM\u003c\/strong\u003e — Part # 44DB03\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrade C 1.30MM\u003c\/strong\u003e — Part # 44DB04\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFitment\u003c\/h2\u003e\n\u003cul\u003e\u003cli\u003e2017-2023 Chevrolet Silverado and GMC Sierra 2500HD \/ 3500HD with the L5P Duramax (VIN code Y)\u003c\/li\u003e\u003c\/ul\u003e\n\u003cp\u003eQuestions on fitment or which option you need? Contact Industrial Injection before ordering.\u003c\/p\u003e","brand":"Industrial Injection","offers":[{"title":"Grade A 1.20MM","offer_id":44086519627910,"sku":"44DB02","price":224.95,"currency_code":"USD","in_stock":true},{"title":"Grade B 1.25MM","offer_id":44086519660678,"sku":"44DB03","price":224.95,"currency_code":"USD","in_stock":true},{"title":"Grade C 1.30MM","offer_id":44086519693446,"sku":"44DB04","price":224.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0553\/1956\/0326\/files\/x-series-44db02-front.jpg?v=1792083423","url":"https:\/\/industrialinjection.com\/products\/2017-2023-6-6l-duramax-l5p-x-series-head-gasket-sets","provider":"Industrial Injection","version":"1.0","type":"link"}