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3918428 | Cummins B-Series Pressure Regulator Plunger

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Availability: In Stock & Ready to Ship!
Pricing: $13.75

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When it comes to Pressure Regulator Plungers, 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 Pressure Regulator Plungers 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 Parts and Labor Warranty and technical expertise from HHP’s certified staff, and you’ve got a quality Pressure Regulator Plunger that will keep you running for another million miles.

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

  • Why sacrifice quality when you don't have to? You'll get quality that meets or exceeds the OE's at a much lower price! Let HHP help save you money!
  • You'll receive a new pressure regulator plunger manufactured and assembled in an ISO 9001:2008 certified facility, this ensures great quality and consistency.
  • Plus, OE specifications are met which will give you proper fit and function. You can't beat that!


  • (1) Pressure Regulator Plunger


2-Year Parts and Labor Warranty

OEM Applications

  • 3903258
  • 3918428
  • 3904385
  • 3906456
  • 3909376

Technical Data

Fits Engines:
4 Valve:

Shipping Information

  • Item Requires Shipping
  • 0.2 lbs.
  • W6.0000” x H0.2500” x L4.0000”

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