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6I4420 | Caterpillar 3406E/C15 Cylinder Head Gasket, New

Pricing: $106.44

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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 (sets) 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 (sets) 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.

  • Get a brand new Caterpillar 3406E/C15 Cylinder Head Gasket for maximum engine performance. All head gaskets are made to OEM Specifications, having excellent quality.

  • Our Cylinder Head Gaskets are manufactured and Assembled in an ISO 9001: 2008 Certified Facility, so you'll get the quality you need to keep your engine going further.

  • Every head gasket has the correct materials for the best performance in functionality and sealability.

  • You'll also get equal or better quality compared to the OE at a much lower price. What could be better than that?

  • Replacing your old head gasket is essential for engine productivity and efficiency.


  • (1) Cylinder Head Gasket


2-Year Parts and Labor Warranty

OEM Applications

  • 2066954
  • 1539653
  • 3590908
  • 2245122SP
  • 6I4420
  • 359-0908
  • 224-5122
  • 153-9653
  • 206-6954
  • 6I-4420
  • 2245122
  • 54643
  • 54214

Technical Data

C15 Engine Specifications:
Year: 1999-2007
Liter: 15.2
CID: 928
Cylinder: L 6
Bore/Stroke: 5.4000-5.4020",6.7320"
Compression Ratio: -
Firing Order: 1-5-3-6-2-4

Tune-Up Specifications:
Intake Valve Lash: .015"
Exhaust Valve Lash: .030"

3406E Engine Specifications:
Year: 1993-2005
Liter: 14.6
CID: 893
Cylinder: L 6
Bore/Stroke: 5.400-5.402", 6.500"
Compression Ratio: 14.5:1
Firing Order: 1-5-3-6-2-4

Tune-Up Specifications:
Intake Valve Lash:.012-.018"
Exhaust Valve Lash: .027-.033"
Lash Adjustment Method: Adjusting Screw

Caterpillar 3406E Cylinder Head Torque Procedure:

Head bolts marked with arrows are 216mm (8.5") long. The other bolts are 194mm (7.6") long. It is recommended to use a moly paste (Caterpillar # 6V4876) on all bolt threads. Without it you will not reach the proper torque value.

1. Torque bolts 1 through 26 (in sequence) to 200 ft/lbs (plus or minus 11 ft/lbs)
2. Torque bolts 1 through 26 (in sequence) to 333 ft/lbs (plus or minus 15 ft/lbs)
3. Torque bolts 1 through 26 (in sequence again) to 333 ft/lbs (plus or minus 15 ft/lbs)

*Cylinder Head deck straightness should be within .13mm (.005") overall. The maximum warp spec is .03mm (.001") over any 76.2mm (3.00") span.

This is just the h(more...)



Shipping Information

  • Item Requires Shipping
  • 4.0 lbs.
  • W19.0000” x H2.0000” x L49.0000”

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