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3790174 | Caterpillar 3406A/B/C/E Valve Lock | Highway and Heavy Parts

Pricing: $0.15

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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 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.

  • This valve lock is built to OEM specifications stricter than a dad with his daughter's boyfriend, giving you the proper engine fitment and function.
  • This high quality valve lock is manufactured and assembled in an ISO 9001:2008 certified facility, ensuring the quality and consistency that your rig demands.
  • Never over pay again!  This valve lock is equal or better quality than the OE at a much lower price, keeping money in your pocket!


  • (1) Valve Lock


2 Year Parts and Labor Warranty

Warranty acceptance/denial will be at the sole discreation of each respected manufacturer. Each of HHP's manufacturers utilizes their own warranty procedures which vary in claim review time (typically between 3-5 weeks). On items that carry a labor warranty, rates are paid on flat-rate book time. Rates vary by manufacturer.

OEM Applications:
  • 2A4429
  • 3790174
  • CAT2A4429
  • CUMS-2037
  • S-2037

Technical Data

Fits Engine Models:


Shipping Information

  • Item Requires Shipping
  • 0.0 lbs.
  • W1.0000” x H1.0000” x L1.0000”

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