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3900267 | Cummins 4B/6B Tappet Cover Grommet Seal

Pricing: $0.52

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When it comes to Tappet Cover Grommet Seals, why risk your engine?

Don?t let a small part turn into a major repair. We wouldn't risk putting sub-par parts into our engines, so why should you?

HHP only sells Tappet Cover Grommet Seals that are manufactured in a state of the art facility using top of the line machining and measuring equipment to ensure each part is manufactured to OEM specifications. Combine this with up to 50% off OEM prices, an industry leading 2-year warranty and technical expertise from HHP?s certified staff, and you?ve got a quality Tappet Cover Grommet Seal that will keep you running for another million miles.

Need a little extra proof? Let's talk shop.

  • Crafted with proper materials and built to OEM specifications to ensure a perfect seal.
  • Manufactured and assembled in an ISO certified facility, meaning you'll get quality.
  • To top it off, you'll get equal or better quality compared to the OEM at a much lower price. You can't beat that!


  • (1) Tappet Cover Grommet Seal


2-Year Parts and Labor Warranty

OEM Applications:

  • 3900267

Technical Data

For Model 4B-4 are required
For Model 6B- 6 are required
B Series 2 Valve

B Series Engine Specifications:
Year: 1983-1998
Liter: 3.9
CID: 239
Cylinders: L 4
Bore/Stroke: 4.0157-4.0173"/4.724"
Compression Ratio: 16.3:1 RATIO
Firing Order: 1-3-4-2

Tune-Up Specifications:
Oil Pressure at Idle: 30 PSI at 1300RPM
Intake Valve Lash: .010" COLD
Exhaust Valve Lash:.025" COLD


  • P022396
  • P022396
  • HHP
  • New


Shipping Information

  • Item Requires Shipping
  • 0.0 lbs.
  • W4.0000” x H0.2500” x L3.0000”

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