This lower gasket set is a complete sealing solution for the bottom end of your Cummins ISM engine. Designed to meet or exceed OEM specifications, this kit includes the critical gaskets and seals needed for oil pan, rear gear housing, crankshaft seals, and other lower-end components—ideal for in-frame rebuilds, oil leak repairs, or preventive maintenance.
OEM Reference:
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4089998
Condition: Brand new, high-quality aftermarket replacement
Application: Lower engine service – oil pan, gear housing, crank seals, etc.
Typical Kit Includes:
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Oil Pan Gasket
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Front & Rear Crankshaft Seals
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Gear Housing Gasket
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Flywheel Housing Gasket
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Oil Cooler Gasket
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Miscellaneous Seals & O-Rings
Features & Benefits:
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Designed for a precise fit on Cummins ISM engines
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OEM-grade materials for heat, oil, and pressure resistance
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Reduces the risk of future oil and coolant leaks
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Ideal for lower-end repairs or complete in-frame rebuilds
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| Dimensions |
NOTE - CUT OFF TIME FOR SAME DAY SHIPPING IS 3PM CENTRAL TIME. ORDERS PLACED AFTER 3PM WILL SHIP OUT NEXT BUSINESS DAY. NEXTDAY SHIPMENTS THAT DO NOT ARRIVE ON TIME ARE NON-REFUNDABLE.
-FOR ORDERS INCLUDING HEAVY ITEMS(INFRAME KITS, HEADS,ETC.) PLEASE CHOOSE THE CORRECT SHIPPING AT CHECKOUT
NOTE - All open orders will have a 20% restocking fee. All returns will have a shipping fee.
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CUMMINS ISM LOWER GASKET SET. | OEM#4089998
$459.99
