This lower gasket set is designed for Cummins ISC and ISL engines, offering a comprehensive solution for resealing the lower end during an engine rebuild or major service. Manufactured to OEM specifications, it includes all essential gaskets and seals required for components such as the oil pan, gear housing, and rear structure.

OEM Cross Reference:

  • 3800343

Condition: Brand new, high-quality aftermarket replacement
Application: Lower engine sealing – oil pan, gear housing, rear cover, and related components

Features & Benefits:

  • Includes all necessary gaskets and seals for lower engine work

  • Designed to withstand heat, oil exposure, and pressure cycles

  • OEM-quality materials ensure a reliable, long-lasting seal

  • Ideal for in-frame rebuilds, oil pan reseals, or lower-end maintenance

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.) WILL BE PLACED ON A SHORT HOLD WHILE WE VERIFY ADDRESS AND SHIPPING IS CORRECT.
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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CUMMINS ISC ISL LOWER GASKET SET. | OEM#3800343

$249.00

Engine Serial Number
SKU: 3800343 Category: