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MCB225 | Cummins N14 Gear Cover Gasket Set, New

Pricing: $49.92

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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 should always know where your parts come from, that's why we always tell you. This gear cover gasket set is manufactured and assembled in an ISO 9001:2015 certified facility.
  • It can be hard trying to find the right parts but we can make the search easier. All HHP parts are crafted to strict OEM specifications which gives you proper fit and function.
  • If you have the questions we will have the answers. We have ASE certified techs on staff to answer all of your technical questions.
  • Your parts should handle anything you throw at it. This gear cover gasket set is made with hard wearing materials for long lasting strength and durability.
  • Saving money on parts has never been easier. Our parts have equal or better quality compared to the OE at a much lower price.


  • (1) Gear Cover Gasket Set
    • (1) Seal
    • (1) Air Compressor Seal
    • (1) Front Crankshaft Seal
    • (1) Gasket
    • (1) Accelerator Drive Support Gasket
    • (1) Air Compressor Gasket
    • (1) Accessory Drive Seal Kit
    • (1) Fuel Pump Gasket,
    • (1) Gear Cover Gasket


2-Year Parts and Labor Warranty

OEM Applications

  • Gear Cover Gasket Set, MCB225
    • (1) Seal, 215705
    • (1) Air Compressor Seal, 3008947
    • (1) Front Crankshaft Seal, 3020183
    • (1) Gasket, 3067613
    • (1) Accelerator Drive Support Gasket, 3076225
    • (1) Air Compressor Gasket, 3076226
    • (1) Accessory Drive Seal Kit, 3800616
    • (1) Fuel Pump Gasket,  4026171
    • (1) Gear Cover Gasket, 4058949
    • MCB225

Technical Data

Torque Specs:
Intake Manifold: 35 FT/LBS
Exhaust Manifold: 35,60 FT/LBS
Flywheel: 200 FT/LBS
Flywheel Surfacing: 2.932-2.942 CUP
Damper: 190 FT/LBS
Main Bearing Cap: 90, 170, 255 FT/LBS LOOSEN & REPEAT
Connecting Rod: 75, 195 FT/LBS
Cyl Head: 100, 220, 220 FT/LBS, + 90°
Camshaft Gear Bolt: CAM FOLLOWER ASSEMBLY 15, 35 FT/LBS

Tune-up Spec:
Compression Ratio: 16.3:1 RATIO
Firing Order: 1-5-3-6-2-4
Oil Pressure At Idle: 10 PSI @ 700RPM
Oil Pressure: 35-45 PSI
Intake Valve Lash: .014" COLD
Exhaust Valve Lash: .027" COLD (.686 MM)



Shipping Information

  • Item Requires Shipping
  • 2.0 lbs.
  • W12.2500” x H2.0000” x L26.0000”

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