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3934047 | Cummins B-Series Piston Pin

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Availability: In Stock & Ready to Ship!
Pricing: $10.57

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When it comes to Piston Pins, 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 Piston Pins 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 Piston Pin that will keep you running for another million miles.

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

  • Our Piston Pins are built to OEM specifications, giving you proper fit and function. You'll also save up to 50% off OEM prices!
  • Worried about quality? With HHP, you'll receive equal or better quality compared to the OE at a much lower cost.
  • Want quality and consistency that you can count on? You got it! This brand new piston pin is manufactured and assembled in an ISO 9001:2008 certified facility.
  • To top it off, we have ASE certified techs on staff to answer all of your technical questions. You'll be back up and running in no time.


  • (1) Piston Pin


2-Year Parts and Labor Warranty

OEM Applications

  • 3919053
  • 3934047
  • CUM3934047

Technical Data

Fits Engines:
B- Series
2-Valve: 4B/6B
For Model 4B: 4 are Required
For Model 6B: 6 are Required
For 2- Valve Applications: 91B 3.255" L
For 4-Valve Applications: 3.9/5.9L

Shipping Information

  • Item Requires Shipping
  • 1.5 lbs.
  • W2.2500” x H4.5000” x L2.2500”

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