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3920779 | Cummins B-Series Cylinder Head Bolt, New

Pricing: $2.41

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When it comes to Cylinder Head Bolts, 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 Cylinder Head Bolts 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 1-year warranty and technical expertise from HHP's certified staff, and you've got a quality Cylinder Head Bolt that will keep you running for another million miles.

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

  • Keep your engine secure with a cylinder head bolt that's built to OEM specifications.
  • We ensure you'll get equal or better quality compared to the OEM at a much lower price because we only want the best for our customers.
  • Each bolt is manufactured and assembled in an ISO 9001: 2008 certified facility, so you get a quality bolt made to last.


  • (1) Cylinder Head Bolt


2-Year Parts and Labor Warranty
OEM Applications:
  • 3900046
  • 3903938
  • 3920779
  • CUM3920779
  • HE3920779
  • K3920779

Technical Data

For Model 4B - 4 are Required
For Model 6B - 6 are Required

For 2-Valve Applications: M12x1.75x70
For Premium Marine and High Heat Applications: M12x1.75x70mm


  • P022502
  • P022502
  • HHP
  • New

Shipping Information

  • Item Requires Shipping
  • 0.2 lbs.
  • W6.0000” x H1.5000” x L6.0000”

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