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Interstate McBee - Cummins B/ISB/QSB (4B) Lower Engine Gasket Set - M3802375

Interstate McBee - Cummins B/ISB/QSB (4B) Lower Engine Gasket Set - M3802375

$137.46 USD
$137.46 USD
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Shipping calculated at checkout.

The Interstate-McBee Lower Engine Gasket Set (M3802375) is designed for Cummins® B/ISB/QSB 4B applications. This comprehensive set includes essential gaskets and seals to ensure reliable engine performance and leak prevention during rebuilds or maintenance. Each component is built to meet or exceed OEM specifications and is backed by Interstate-McBee’s industry-trusted warranty.

Key Features:

  • Designed for Cummins® B/ISB/QSB (4B) engine applications

  • Comprehensive set includes critical lower engine gaskets and seals

  • Built to OEM standards for exceptional durability and fit

  • Trusted by mechanics and engine rebuilders worldwide

  • Covered by Interstate-McBee’s warranty for added confidence

Engine Compatibility:
Cummins® 4B / ISB / QSB engines

Kit Includes (BOM Parts List):

  • M-3905595 – Timing Housing Gasket (1)

  • M-3906697 – Rectangular Ring Seal (1)

  • M-3906698 – Seal (1)

  • M-3908096 – Cover Plate Gasket (1)

  • M-3912473 – Rear Rectangular Seal (1)

  • M-3913994 – O-Ring Seal (1)

  • M-3938157 – Gasket (1)

  • M-3914385 – Gear Cover Gasket (1)

  • M-3939355 – Fuel Pump Gasket (1)

  • M-3915772 – Rectangular Ring Seal (1)

  • M-3915800 – Rectangular Ring Seal (1)

  • M-3916042 – Air Comp Gasket (1)

  • M-3938156 – Gear Housing Gasket (1)

  • M-3920773 – Copper Gasket (1)

  • M-4947667 – Rear Cover Gasket (1)

  • M-3928759 – Grommet Seal (6)

  • M-3283767 – Push Rod Cover Gasket (1)

  • M-3938162 – Oil Pan Gasket (1)

  • M-3939258 – Cover Plate Gasket (1)

  • M-3929792 – Filter Head Gasket (1)

  • M-154916 – Hydraulic Pump Gasket (1)

  • M-3008400 – Gasket (1)

  • M-3901020 – Piston Cooling Nozzle (4)

  • M-4089342 – Rear Crankshaft Seal Kit (1)

  • M-3902425 – Sealing Washer (2)

  • M-3937214 – Cooling Nozzle (4)

  • M-4932124 – Oil Cooler Core Gasket (1)

  • M-3942915 – Filter Head Gasket (1)

  • M-3906696 – Rectangular Ring Seal (1)

  • M-3903475 – Rectangular Ring Seal (1)

  • M-3937111 – Front Crankshaft Seal (1)

  • M-3918673 – Gear Cover Gasket (1)

  • CG65PAD – Pad (2)

⚠️ Opened packages are not eligible for return.

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