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4089758 | Cummins C-Series Upper Gasket Set

Pricing: $239.56

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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.

  • Get a gasket set that has equal or better quality compared to the OEM! Plus, with HHP you'll pay a fraction of the cost. In other words, don't overpay if you don't have to!
  • We ensure you'll receive quality because each gasket set is manufactured and assembled in an ISO 9001: 20008 certified facility.
  • Go a million more miles knowing your engine will have proper fitment because each component is built to OEM specifications.
  • We know proper sealing is a must when it comes to gaskets and you'll get that because the correct materials are used.
  • For excellent engine performance, material selection is based upon pressure, temperature variations and contact with many fluids and surfaces.
  • Overall, when it comes to your engine, don't let worn out parts bring you down because HHP's ASE certified techs have you covered.


  • (1) Upper Engine Gasket Set
    • (1) O-Ring Seal
    • (1) Turbo Hose O-Ring Seal
    • (1) O-Ring Seal
    • (6) Mid-Range XPI Injector Seals
    • (6) Exhaust Manifold Gaskets
    • (1) Turbo Oil Drain Gasket
    • (1) Valve Cover Gasket
    • (2) Sealing Washers
    • (5) Sealing Washers
    • (23) Sealing Washers
    • (1) Breather Mounting Seal
    • (1) Rocker Lever Housing Gasket
    • (2) Connection Gaskets
    • (3) O-Ring Seals
    • (2) O-Ring Seals
    • (6) O-Ring Seals
    • (6) O-Ring Seals
    • (1) Sealing Washer
    • (1) O-Ring Seal
    • (1) Cylinder Head Gasket
    • (24) Valve Stem Seals
    • (1) Gasket Connection
    • (1) O-Ring Seal
    • (2) O-Ring Seals
    • (1) O-Ring Seal
    • (1) Turbocharger Gasket
    • (1) O-Ring Seal
    • (1) Gasket
    • (1) Copper Gasket
    • (1) Air Compressor Drive Support Gasket


2-Year Parts and Labor Warranty

OEM Applications

  • 5579029
  • 4089758

Technical Data

Fits Applications:

Cummins C-Series Engine Specifications:
Year: 1991-2002
Liter: 8.3
CID: 505
Cylinders: L 6
Bore/Stroke: 4.4882", 5.315"
Compression Ratio: -
Firing Order: 1-5-3-6-2-4

Tune-Up Specifications:
Oil Pressure At Idle: 10 Psi
Oil Pressure: 70 Psi Hot
Intake Valve Lash: .012" Cold
Exhaust Valve Lash: .024" Cold

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


  • P023296
  • P023296
  • IMB
  • New


Shipping Information

  • Item Requires Shipping
  • 4.0 lbs.
  • W17.0000” x H5.0000” x L38.0000”

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