This new lower engine gasket set is built for Cummins ISX DOHC engines, offering a comprehensive solution for resealing the lower end during rebuilds or major service. It includes all the essential gaskets and seals required to service the oil pan, gear housing, oil cooler, and flywheel housing. Manufactured to OEM specifications, this kit is ideal for ensuring leak-free, long-lasting performance.

Part Number OEM Number Description Quantity
131640-200 N/A O-Ring Kit 1
131656 4026684 Oil Pan Gasket 1
131655 4089757 Gear Housing Gasket 1
121071 4919970 Coolant Hose 2
136130 4955383 Oil Seal Kit 1
136131 4965569 Oil Seal Kit 1
131657 4965688 Flywheel Housing Gasket 1
131654 4955592 Oil Cooler Gasket Kit 1

Condition: Brand new, high-quality aftermarket replacement
Application: Lower engine – ISX DOHC (Oil Pan, Rear Main, Gear Housing, Oil Cooler)

Features & Benefits:

  • Direct-fit for Cummins ISX DOHC engines

  • OEM-equivalent gaskets and seals

  • Ideal for full in-frame rebuilds or lower-end reseals

  • Packaged for easy identification and installation

  • Helps prevent oil and coolant leaks under demanding conditions

Weight
Dimensions

We offer free standard ground shipping within the USA! If you need your parts in a hurry and would like to get them overnighted or expedited, please give us a call !

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
We have a 30-day return policy, which means you have 30 days after receiving your item to request a return.

NOTE - All open orders will have a 20% restocking fee. All returns will have a shipping fee.
1 YEAR WARRANTY
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4955591 | NEW CUMMINS ISX DOHC LOWER ENGINE GASKET SET

$460.00

Engine Serial Number