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3804990 | Cummins B-Series Piston Ring Set

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Pricing: $27.13

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When it comes to Piston Ring Sets, 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 Ring Sets 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 Ring Set that will keep you running for another million miles.

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

  • You'll receive a piston ring set that is manufactured and assembled in an ISO 9001:2008 certified facility. This ensures excellent quality and consistency of parts.
  • Looking to have more cash on hand? We've got you covered. You'll get equal or superior quality compared to the OE at a much lower price!
  • This piston ring set is crafted to OEM specifications to give you proper fit and function. You can't beat that!


  • (1) Piston Ring Set
    • (1) Top Piston Ring
    • (1) Second Piston Ring
    • (1) Oil Control Piston Ring


2-Year Parts and Labor Warranty

OEM Applications

  • 3804990
  • 3804947
  • CUM3804990

Technical Data

For Models 4B- 4 are Required
For Model 6B- 6 are Required
Product Dimensions: 4.1875 Diameter x 0.375H
Standard Bore

Shipping Information

  • Item Requires Shipping
  • 0.3 lbs.
  • W5.1250” x H1.0000” x L5.1250”

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