{"product_id":"cummins-lower-engine-gasket-set-4089998","title":"Genuine Cummins 4089998 Lower Engine Gasket Set | L10 M11 ISM QSM11","description":"\u003cp\u003eSeal the bottom end of your engine right with the \u003cb\u003eGenuine Cummins 4089998 Lower Engine Gasket Set\u003c\/b\u003e. Often referred to as a \"conversion set,\" this comprehensive service kit contains all the essential seals, O-rings, and gaskets required to completely refresh the lower half of your engine block during a major overhaul or oil pan service. Combining a heavy-duty oil pan gasket, front and rear crankshaft seals, water pump O-rings, and critical component gaskets (such as for the air compressor and oil transfer lines), this kit protects your vehicle against devastating fluid leaks and low oil pressure. Engineered to withstand relentless hot engine oil, severe thermal cycling, and harsh crankcase environments, it is the ultimate choice for maximizing fleet uptime.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eComplete Bottom-End Kit:\u003c\/b\u003e Provides every necessary sealing element to refresh the lower block assembly, ensuring structural integrity and a leak-free environment.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eBroad Engine Compatibility:\u003c\/b\u003e Precision-engineered for an absolute factory fit on Cummins \u003cb\u003eL10, M11, ISM,\u003c\/b\u003e and \u003cb\u003eQSM11\u003c\/b\u003e heavy-duty diesel engine platforms.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eIndustrial-Grade Materials:\u003c\/b\u003e Manufactured using advanced oil-and-heat-resistant elastomers designed to survive severe, long-haul commercial operations without breaking down.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eOEM Drop-In Replacement:\u003c\/b\u003e This authentic factory package directly supersedes legacy Cummins part numbers \u003cb\u003e4089479, 3800704, 3804749, 3803572,\u003c\/b\u003e and \u003cb\u003e3803294\u003c\/b\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Cummins","offers":[{"title":"Default Title","offer_id":67012753391920,"sku":"4089998","price":475.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0941\/2680\/1200\/files\/4089998.png?v=1781883850","url":"https:\/\/choateperformance.com\/products\/cummins-lower-engine-gasket-set-4089998","provider":"choateperformance","version":"1.0","type":"link"}