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4955643 | Cummins C-Series Upper Gasket Set

Pricing: $224.89

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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.

  • Don't settle for sub-par parts! This brand new gasket set is manufactured in an ISO 9001: 2008 certified facility, ensuring exceptional quality and consistency.
  • Leakage? Never heard of it! Proper materials are used to give you optimal performance in functionality and sealability.
  • Stay worry free with a gasket set crafted to OE specifications, giving you the best of both fit and function.
  • Plus, these gaskets are made in the USA with 100% Asbestos-Free Material. It honestly doesn't get better than that!
  • There is no doubt that you'll save money because you'll get equal or better quality compared to the OE at a much lower price. That means you'll have more cash on hand!


  • (1) Upper Gasket Set
    • (2) Water Tube O-Ring Seals
    • (1) Rectangular Ring Seal
    • (6) Exhaust Manifold Gaskets
    • (1) Valve Cover Gasket
    • (5) Sealing Washers
    • (23) Sealing Washers
    • (1) Rocker Lever Housing Gasket
    • (2) EGR Transfer Tube Gaskets
    • (10) Sealing Washers
    • (1) Connection Gasket
    • (1) Rectangular Ring Seal
    • (1) EGR Valve Gasket
    • (1) Connection Gasket
    • (1) Cylinder Head Gasket
    • (1) Oil Drain Gasket
    • (1) Gasket
    • (1) O-Ring Seal
    • (4) Sealing Washers
    • (1) Turbocharger Gasket
    • (1) O-Ring Seal
    • (1) O-Ring Seal
    • (1) Rectangular Ring Seal


2-Year Parts and Labor Warranty

OEM Applications:

  • 4955643

Technical Data

HPCR CM2150/2250 ISC/ISL
Fits Applications:

Cummins C-Series Specifications:
Year: 1985-1990
Liter: 8.3
CID: 505
Cylinders: L6
Bore/Stroke: 4.4882-4.4897" (114.000-114.040 MM)5.315" (135.001 MM)
Firing Order: 1-5-3-6-2-4

Tune-Up Specifications:
Oil Pressure At Idle: 10 PSI
Oil Pressure: 30 PSI AT RATED
Intake Valve Lash: .012" COLD
Exhaust Valve Lash: .024" COLD (.610 MM)

When cleaning mating surfaces of gaskets be sure all foreign material is removed from sealing surfaces, otherwise existing debris can prevent a good seal.


  • P023534
  • P023534
  • HHP
  • New


Shipping Information

  • Item Requires Shipping
  • 3.0 lbs.
  • W10.0000” x H1.5000” x L36.0000”

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