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3907157 | Cummins 4B/6B .50mm Piston

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Availability: In Stock & Ready to Ship!
Pricing: $47.67

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Think you know the truth about Pistons? We'd bet you'd be surprised.

It’s no secret, rebuilding your rig is one of the most labor (and wallet) intensive repairs out there. Sure, you want your engine to last another million miles but you also want the best price; so what should you choose- OEM or Aftermarket?

When it comes to engine parts, the aftermarket often gets a bad rep. The idea that aftermarket retailers sell cheap parts with zero warranty, delivered in a beat-up box written in another language couldn’t be further from the truth. HHP is here to set the record straight; we only sell new Pistons. On top of only offering premium quality parts, we also make sure you save up to 50% off OEM prices. So, when it comes to your Piston, what’s left to want?

Need a little extra proof? Let’s talk Pistons.

  • Quality you can trust because each piston is manufactured and assembled in an ISO 9001: 2008 certified facility!
  • Our standards are strict, that's why you'll get a piston made to OEM specifications.
  • Don't overpay for a piston straight from the OEM when at HHP you can get equal or better quality at a much lower price.


  • (1) Piston


2-Year Parts and Labor Warranty

OEM Applications

  • 3802102
  • 3907157

Technical Data

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

Shipping Information

  • Item Requires Shipping
  • 3.8 lbs.
  • W5.5000” x H5.5000” x L6.0000”

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