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3971394 | Cummins 6C/ISC/QSC Connecting Rod

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Availability: In Stock & Ready to Ship!
Pricing: $119.16

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When it comes to Connecting Rods, 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 Connecting Rods 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 Connecting Rod that will keep you running for another million miles.

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

  • Replace your worn out connecting rod with a brand new one that's built to OEM specifications.
  • Get equal or better quality compared to the OE at a much lower price!
  • We only allow quality parts and that's why this connecting rod comes from an ISO 9001: 2008 certified facility. In other words, you'll go a million more miles!


  • (1) Connecting Rod


2-Year Parts and Labor Warranty

OEM Applications

  • 3901224
  • 3901383
  • 3924350
  • 3971394
  • 4947898
  • 5266243
  • CUM3971394
  • 3967348
  • 3969348
  • 3971817
  • 3970852

Technical Data

For Model 6C - 1 is Required
For Model ISC - 1 is Required
For Model QSC - 1 is Required

Shipping Information

  • Item Requires Shipping
  • 6.0 lbs.
  • W5.7500” x H3.5000” x L13.0000”

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