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3912473 | Cummins B-Series/C-Series Rear Rectangular Seal

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Availability: In Stock & Ready to Ship!
Pricing: $1.37

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When it comes to Rear Rectangular Seals, 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 Rear Rectangular Seals 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 Rear Rectangular Seal that will keep you running for another million miles.

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

  • Looking for the perfect seal? You'll get that here because each Rear Rectangular Seal is built to OEM specifications, ensuring proper fit and function!
  • Also manufactured and assembled in an ISO 9001: 2008 certified facility, meaning you'll get a quality made seal to help you go a million more miles!
  • Every cent counts, so don't overpay for some small part. With HHP you'll get equal or better quality compared to the OEM at a much lower price. It doesn't get much better than that!


  • (1) Rear Rectangular Seal


2-Year Parts and Labor Warranty

OEM Applications

  • 3906699
  • 3912473
  • CUM3912473

Technical Data

For Model ISB/QSB 6B: FGT

Fits Applications:

Shipping Information

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

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