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4955230 | Cummins B-Series Lower Gasket Set

Pricing: $188.44

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These aren't your grandpa?s gaskets.

A blown gasket can be anything from a minor annoyance to leaving you stranded on the side of the road. You don?t have to put up with whatever gasket you can get your hands on; our gaskets are engineered to withstand anything you throw at it and last well into another million miles. No doubt about it, these are some of the best gaskets on the market.

It's no secret that diesel engine parts can cost an arm and a leg. That?s where HHP steps in. We offer premium aftermarket gaskets at up to 50% off OEM prices. While most believe aftermarket retailers sell cheap gaskets with zero warranty, packed in a dusty box from who knows where, HHP is here to kick that stereotype to the curb. HHP provides gaskets fabricated for unstoppable performance and a 2-year warranty. How?s that for an aftermarket part?

Need a little extra proof? Let's talk shop.

  • You can rest assured you'll get a gasket set with excellent performance in functionality and sealability because correct materials are used.
  • Plus, proper material selection is based upon pressure, temperature variations and contact with many fluids and surfaces for optimal engine performance!
  • Each gasket set is also manufactured and assembled in an ISO 9001: 2008 certified facility, meaning you'll have quality made parts you can trust!
  • Additionally, the USA made sealing products within this set use 100% asbestos free material!
  • Overall, you'll receive a gasket set built to OEM specifications and for a fraction of the cost compared to the OEM, all without sacrificing quality. It doesn't get better than that!


  • (1) Lower Gasket Set
    • (1) O-Ring Seal
    • (1) Cover Plate Gasket
    • (1) Flange Gasket
    • (1) Oil Pan Gasket
    • (1) Sealing Washer
    • (1) Sealing Washer
    • (1) Gasket Filter Head
    • (1) Oil Seal
    • (1) O-Ring Seal
    • (1) Oil Suc Connection Gasket
    • (1) O-Ring Seal
    • (1) Oil Cooler Core Gasket
    • (1) Oil Pan Gasket
    • (1) Rear Crankshaft Seal Gasket Kit
      • (1) Oil Seal
      • (1) Seal Installation Tool
      • (1) Seal Installation Tool
    • (1) Filter Head Gasket
    • (1) Sealing Washer
    • (1) Rectangular Ring Seal
    • (2) Rectangular Ring Seals
    • (1) Seal
    • (1) O-Ring Seal
    • (1) Cover Plate Gasket


2-Year Parts and Labor Warranty

OEM Applications:

  • 4955230

Technical Data

Fits Applications:
ISB/QSB 4-Valve

Cummins B-Series Engine Specifications:
Year: 1983-2005
Liter: 5.9
CID: 359
Cylinders: L 6
Bore/Stroke: 4.0157-4.0173" (101.999-102.039) 4.724" (119.990)
Compression Ratio: 16.3:1 RATIO, NEW ENG CRK 250 RPM = 350 #, OLD 300 #
Firing Order: 1-5-3-6-2-4

Oil Pressure At Idle: 12 PSI
Oil Pressure: -
Intake Valve Lash: .010" COLD
Exhaust Valve Lash: .025" COLD (.635 MM)

Signs that you should replace your gaskets include engine overheating and thick, white steam.


  • P023511
  • P023511
  • HHP
  • New


Shipping Information

  • Item Requires Shipping
  • 3.0 lbs.
  • W15.0000” x H1.7500” x L25.2500”

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