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3900250 | Cummins B-Series/C-Series Valve Lock

Pricing: $0.27

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When it comes to Valve Locks, 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 Valve Locks 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 Valve Lock that will keep you running for another million miles.

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

  • Want high quality and consistency? You'll receive a brand new valve lock manufactured and assembled in an ISO 9001:2008 certified facility. You can't beat that!
  • Our quality meets or exceeds the OE's quality at a much lower price. We know how good it feels to save money on parts!
  • To top it off, this valve lock is built to OEM specifications, ensuring proper fit and function.


  • (1) Valve Lock


2-Year Parts and Labor Warranty

OEM Applications

  • 3900250
  • HE3900250
  • K3900250

Technical Data

For Model 4B- 16 are recquired
For Model 6B- 24 are required
For Models ISC/QSC/ISL/QSL- 48 are required

Product Dimensions: .38L x .38W x .06H


  • P022394
  • P022394
  • IMB
  • New

Shipping Information

  • Item Requires Shipping
  • 0.1 lbs.
  • W0.3800” x H0.0600” x L0.3800”

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