{"product_id":"zonfant-gen-iii-ls-engine-gasket-set-for-chevy-gmc-ls9-mls-head-gaskets-complete-overhaul-kit","title":"ZONFANT Gen III LS Engine Gasket Set for Chevy \u0026 GMC — LS9 MLS Head Gaskets, Complete Overhaul Kit","description":"\u003cp\u003e\u003cstrong\u003eZONFANT's GEN 3 III LS engine gasket set is a complete, direct-fit collection of valley, head, pan, cover and seal gaskets — including MLS head gaskets for LS9 applications — designed to replace OEM part numbers for Chevy and GMC LS-series engines.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis comprehensive gasket kit bundles the most commonly replaced seals and gaskets needed when overhauling Gen III\/LS engines. It includes valley and front cover gaskets, oil pan and rear cover gaskets, valve cover and water pump gaskets, damper and rear main seals, knock sensor grommets, an oil filter adapter gasket, plus two multilayer steel (MLS) head gaskets for LS9 engines. All pieces are engineered to match OEM form and fit so you can reduce expedition time and avoid sourcing multiple parts separately.\u003c\/p\u003e\n\n\u003ch3\u003eWhich parts are included, and do they match OEM numbers?\u003c\/h3\u003e\n\u003cp\u003eThe kit contains a full assortment of gaskets and seals that correspond to many original equipment part numbers. Every item is labeled with the OE references so you can cross-check compatibility before installation.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eGen III valley cover gasket (OE 12558178)\u003c\/li\u003e\n  \u003cli\u003eTwo LS head gaskets (multiple OE references including 12617944 and MLS 12622033 for LS9)\u003c\/li\u003e\n  \u003cli\u003eOil pan, front cover, rear cover, valve cover, damper and rear main seals\u003c\/li\u003e\n  \u003cli\u003eWater pump gaskets, oil filter adapter gasket, knock sensor grommets and four additional gaskets (OE list included)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this gasket set fit my Chevy or GMC LS engine?\u003c\/h3\u003e\n\u003cp\u003eThis ZONFANT kit is designed for a range of GM trucks and SUV models that use Gen III\/LS-block engines. Compatibility covers many 4.8L, 5.3L, 5.7L and 6.0L variants and specific model years noted by the manufacturer.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCommon Chevy fits: Silverado 1500\/2500\/3500 (various years), Suburban 2500, Express 3500\u003c\/li\u003e\n  \u003cli\u003eCommon GMC fits: Sierra 1500\/2500\/2500HD across listed years\u003c\/li\u003e\n  \u003cli\u003eWorks with LS1, LS6, LQ4, LQ9 and many LS2\/LS3 applications and some iron-block 6.0L engines\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does the kit simplify engine rebuilds or repairs?\u003c\/h3\u003e\n\u003cp\u003eBy supplying a broad selection of gaskets and seals in one package, this kit reduces downtime spent hunting individual parts. Components are manufactured to OEM-style specifications to streamline installation and minimize rework.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eEverything needed for valley-to-rear-cover sealing in a single box\u003c\/li\u003e\n  \u003cli\u003eMLS head gaskets included for LS9 head-to-block sealing integrity\u003c\/li\u003e\n  \u003cli\u003eDirect-fit components help maintain correct torque and sealing surfaces\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat should I verify before ordering and installing?\u003c\/h3\u003e\n\u003cp\u003eConfirm engine variant and part-number matches for your specific vehicle, and note that intake manifold gaskets are not part of this set. Proper surface prep and following torque sequences are essential for a reliable seal.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCross-check OE numbers listed with your vehicle's service manual or VIN parts lookup\u003c\/li\u003e\n  \u003cli\u003eReplace related hardware (bolts, studs) if service life is uncertain\u003c\/li\u003e\n  \u003cli\u003eEnsure clean, flat sealing surfaces and correct torque specs during assembly\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this is for: Experienced DIY mechanics, professional shops, and engine rebuilders working on GM Gen III\/LS-series engines who want a single-source gasket kit matched to OE references. If you need intake manifold gaskets or specialty hardware, order those separately; otherwise this kit supplies most seals and gaskets required for routine engine removal, reassembly, or head service on supported Chevy and GMC models.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does this kit include intake manifold gaskets?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No. Intake manifold gaskets are not included; the kit covers valley, head, pan, cover and related seals.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Are MLS head gaskets included for LS9 engines?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. Two multilayer steel (MLS) head gaskets for LS9 applications are included with OE reference 12622033.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"ZONFANT","offers":[{"title":"Default Title","offer_id":48083884212382,"sku":"B0C498PWC9","price":94.97,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/zonfant-front-packaging-gen3-ls-gasket-kit.jpg?v=1785838435","url":"https:\/\/northtrailauto.ca\/products\/zonfant-gen-iii-ls-engine-gasket-set-for-chevy-gmc-ls9-mls-head-gaskets-complete-overhaul-kit","provider":"North Trail Auto","version":"1.0","type":"link"}