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2266620 | Caterpillar C12 Rear Structure Set

Pricing: $71.37

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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.

  • Want a brand new rear structure set? You got it! It is manufactured and assembled in an ISO 9001: 2008 certified facility, ensuring top-notch quality and consistency. 
  • Also, strict OE specifications are met, giving you the best of fit and function. Plus, you'll get that perfect seal because proper materials ensure gaskets have the best of performance in functionality and sealability.
  • To top it off, quality will meet or exceed the OE's at a fraction of the cost. That's value in our book!


  • (1) Rear Structure Set
    • (1) Gasket
    • (1) O-Ring Seal
    • (1) O-Ring Seal
    • (1) Gasket
    • (1) O-Ring Seal
    • (1) O-Ring Seal
    • (1) Gasket
    • (1) Rear Crankshaft Seal


2-Year Parts and Labor Warranty

Warranty: 2-Year Parts and Labor Warranty

OEM Applications: 1124146, 1728572, 2266620

Rebuild Kit & Gasket Set OEMs

  • (1) Rear Structure Set, 2266620, 1124146, 1728572
    • (1) Gasket, 4H7869, 3911100
    • (1) O-Ring Seal, 5P7701
    • (1) O-Ring Seal, 5P7814, 5P-7814, 9X-0935, 9X0935
    • (1) Gasket, 7C1583
    • (1) O-Ring Seal, 619455
    • (1) O-Ring Seal, 1076280
    • (1) Gasket, 1558725
    • (1) Rear Crankshaft Seal, 2264757



Shipping Information

  • Item Requires Shipping
  • 1.0 lbs.
  • W9.0000” x H2.0000” x L14.0000”

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