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4955357 | Cummins B-Series Lower Gasket Set

Pricing: $224.63

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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 Parts and Labor Warranty. How?s that for an aftermarket part?

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

  • This brand new gasket set is manufactured and assembled in an ISO 9001:2008 certified facility. This ensures the best of quality and consistency.
  • Don't worry about getting let down. Our quality is equal to if not better than the OE's at a much lower price! That's more cash on hand!
  • Want optimal performance in functionality and sealability? You got it! There is no doubt you'll be getting reliable gaskets crafted with correct materials.
  • Plus, OE specifications are met to give you the fit and function that you need.


  • (1) Lower Gasket Set
    • (1) O-Ring Seal
    • (1) Turbocharger Gasket
    • (1) Rectangular Ring Seal
    • (1) Rectangular Ring Seal
    • (1) O-Ring Turbo Hose Seal
    • (1) Seal
    • (2) O-Ring Seal
    • (1) O-Ring Seal
    • (1) Turbocharger Gasket
    • (1) Cover Plate Gasket
    • (1) Oil Cooler Core Gasket
    • (1) Cover Plate
    • (1) Flange Gasket
    • (4) Sealing Washer
    • (9) Sealing Washer
    • (1) Filter Head Gasket
    • (1) Threaded Plug
    • (1) Oil Seal
    • (3) Sealing Washer
    • (1) O-Ring Seal
    • (1) Thread Plug
    • (1) Filter Head Gasket
    • (1) Oil Suction Connection Gasket
    • (1) O-Ring Seal
    • (1) Oil Pan Gasket
    • (1) Rear Crankshaft Seal Kit
      • (1) Seal Installation Tool
      • (1) Oil Seal
      • (1) Seal Installation Tool
      • (1) Seal Installation Tool
    • (1) O-Ring Seal
    • (4) Sealing Washer
    • (1) O-Ring Seal
    • (1) O-Ring Seal


2-Year Parts and Labor Warranty

OEM Applications:

  • 4955357

Technical Data

4.5L RGT
Fits Applications:

Cummins B-Series Engine Specifications:
Liter: 3.9
CID: 239
Cylinders: L 4
Bore/Stroke: 4.0157-4.0173" (101.999-102.039 MM)4.724" (119.990 MM)
Compression Ratio: 16.3:1 RATIO
Firing Order: 1-3-4-2

Tune-Up Specifications:
Oil Pressure At Idle: 30 PSI @ 1300RPM
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.


  • P023521
  • P023521
  • HHP
  • New


Shipping Information

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

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