This lower gasket kit is designed for Cummins 6B, ISB, and QSB engines, providing all essential gaskets and seals required for servicing the lower end of the engine. Ideal for in-frame overhauls, oil leak repairs, or full bottom-end rebuilds, this kit is built to OEM specifications to ensure long-lasting, leak-free performance under tough diesel operating conditions.

OEM Cross Reference:

  • 3802376

Condition: Brand new, high-quality aftermarket or OE-spec replacement
Application: Lower engine sealing – oil pan, crank seals, gear housing, etc.

Kit Typically Includes:

  • Oil Pan Gasket

  • Front Crankshaft Seal

  • Rear Crankshaft Seal

  • Gear Housing Gaskets

  • Oil Cooler Gasket

  • Rear Cover Gasket

  • Miscellaneous O-Rings and Seals
    (Contents may vary slightly depending on engine configuration)

Features & Benefits:

  • Comprehensive kit for complete lower-end reseal

  • OEM-grade materials resist heat, oil, and pressure

  • Ideal for rebuilds, preventive maintenance, or leak repair

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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CUMMINS 6B/ISB/QSB LOWER GASKET KIT | OEM#3802376

$199.00

Engine Serial Number
SKU: 3802376 Category: