3923331 | Cummins 4B/6B Thermostat Seal

When it comes to Thermostat 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 Thermostat 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 Thermostat Seal that will keep you running for another million miles.

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

• Get the perfect seal with a brand new one that's built to OEM specifications.
• Each seal is manufactured and assembled in an ISO 9001: 2008 certified facility, ensuring quality and consistency.
• On top of that, you'll get equal or better quality compared to the OE at a much lower price.

Contents

• (1) Thermostat Seal

Warranty

2-Year Parts and Labor Warranty