Cummins 5273379 180 Degree Replacement Thermostat


Cummins 5273379

Cummins 5273379 180 Degree Replacement Thermostat

ISC/ISL/ISF/K/NT 855 Cummins 5273379 Replacement Thermostat

PLEASE ENTER YOUR ENGINE SERIAL NUMBER - ESN SO WE CAN VERIFY THE CORRECT THERMOSTAT FOR YOUR ENGINE. CUMMINS PARTS ARE NON-REFUNDABLE. You must enter your EIN to purchase this part.  If you are using the part number from the actual part in hand, you may enter it in the EIN field to verify this is the part you want. 

This Cummins 5273379 Thermostat is an OEM replacement Thermostat for Cummins ISC/ISL/ISF/K/NT 855 Diesel engines. This thermostat is the stock replacement part needed for a leak-proof change for the correct engine operating temperatures.

This Cummins Thermostat contains the following required Original Equipment Manufacturer parts:

  • 180 Degree Thermostat

This Cummins 5273379 Replacement Thermostat applications:

  • Select ISC/ISL/ISF/K/NT 855 Diesel Engines

Note: If your ISC/ISL/ISF/K/NT 855 engine is experiencing coolant temperature gauge cycling, replace your existing thermostat with this Cummins 5273379 xxx thermostat. The new Cummins 5273379 thermostat provides a slower coolant response rate to reduce dramatic engine temperature cycling. This slower engine response rate does not affect the engine performance.

The Cummins 5273379 Thermostat on your ISC/ISL/ISF/K/NT 855 Cummins engine allows low-temperature coolant from the radiator into the engine to keep the operating temperature within a predetermined range. Operating a Cummins engine with a bad thermostat will cause the thermostat to get stuck in the open or closed position. A defective thermostat will cause the engine to operate either below the correct operating temperature or above it leading to an overheat condition. If you are currently experiencing any of these symptoms, it's time to replace the Cummins thermostat to alleviate this issue.

The use of Genuine Cummins parts means you get a precision design, state-of-the-art manufacturing, and diligent testing which ensures optimum engine performance at the Cummins factory-specified level. Only Genuine Cummins parts come with a full factory warranty, giving you peace of mind and financial protection.

This 5273379 Replacement Cummins OEM  Thermostat is for the ISC/ISL/ISF/K/NT 855 Cummins engines that are MADE IN THE USA! 

The Cummins 5273379 Thermostat supersedes the:

  • Cummins Thermostat for Cummins ISC/ISL/ISF/K/NT 855 Engine

This OEM Cummins Thermostat Benefits:

  • Purchasing Genuine Cummins parts means you get a precision-designed product.
  • Cummins parts are manufactured at state-of-the-art facilities.
  • Strict quality control measures and diligent testing that ensures the replacement parts perform at Cummins factory-specified levels of efficiency,
  • Genuine Cummins parts come with a full factory warranty, giving you peace of mind and financial protection.
  • Only Genuine Cummins parts provide the reliability and durability you need to stay on the road.
  • Engine: Cummins ISC/ISL/ISF/K/NT 855
  • Thermostat Opening Temperature: °C - °F
  • Item Number: Cummins 5273379
  • Make: Cummins 
  • Model: 
  • Year: 
  • Manufacturer Part No: Cummins 5273379
  • Product Application: Cummins ISC/ISL/ISF/K/NT 855 Engines
  • Height: 3
  • Width :3
  • Brand: Cummins
  • FAQ: Why should you purchase a Genuine Cummins Thermostat for your diesel engine?  Installation of an OEM Cummins 5273379 Thermostat ensures your engine maintains its factory performance, power output levels, function, and straightforward fitment. OEM parts will repair an exact replacement that is trouble-free.
  • Part Number: 5273379
  • Manufacturer: Cummins
  • Product Note: Cummins Parts Are A Non-Returnable Item. Please make sure you have ordered the correct part for your Cummins diesel engine!
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