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1801191C91 | Navistar International 180° Thermostat Kit

Pricing: $36.39


When it comes to thermostats, 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 180° thermostat kits 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 180° thermostat kit that will keep you running for another million miles. 

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

  • Keep your engine properly cooled with a new 180° thermostat kit manufactured and assembled in an ISO 9001:2015 certified facility ensuring you receive consistency and quality you can depend on.
  • Tired of absurd OE prices? Stop paying them, and start paying a lower price with HHP! Along with a lower price, we sweeten the deal with equal or better quality compared to the OE!
  • Be back up and running in no time with the help of a proper fitted and functioning thermostat kit made to OEM specifications!


  • (1) 180° Thermostat
  • (1) Seal
  • (1) Thermostat Housing Gasket 


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:
  • 1801191C91

Technical Data

Fits Applications:


  • P029134
  • P029134
  • HHP
  • New

Shipping Information

  • Item Requires Shipping
  • 1.0 lbs.
  • W3.5000” x H3.5000” x L3.5000”

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