Cummins 3064455 187 Degree Thermostat

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SKU: Cummins 3064455

Cummins 3064455 NH855 and NT855 187 Degree Thermostat

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Sale price$136.98 Regular price$149.50

Cummins NH855 and NT855 Cummins 187 Degree Replacement Thermostat

PLEASE ENTER YOUR ENGINE SERIAL NUMBER SO WE CAN VERIFY THE CORRECT THERMOSTAT FOR YOUR VEHICLE. 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 187 Degree Cummins Thermostat is an OEM replacement Thermostat for Cummins Diesel engines. This thermostat is the stock replacement part needed for a leak-proof change for the right engine operating temperatures. This Cummins Thermostat contains the following required Original Equipment Manufacturer parts:

  • Thermostat
  • Thermostat seal
  • Thermostat Housing seal

This Cummins 187 Degree Replacement Thermostat applications:

  • Select Cummins NH855 Series Diesel Engines
  • Select Cummins NT855 Series Diesel Engines

Note: If your Cummins Detroit Diesel NH and NT-855 engine is experiencing coolant temperature gauge cycling, replace your existing thermostat with this Cummins 3064453 187 thermostat. The new Cummins 3064453 thermostat provides a slower coolant response rate to reduce dramatic engine temperature cycling. This slower engine response rate does not affect engine performance.

The Cummins Thermostat on your 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 187 Degree Thermostat yourself 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 Replacement Cummins OEM 187 Degree Thermostat is for the Cummins NH855 and NT-855 Cummins engines that are MADE IN THE USA! 

What are the benefits obtained by purchasing an OEM Cummins part?

  • Genuine Cummins Parts are backed with a manufacturer's warranty.
  • Genuine Cummins Parts provide optimum engine efficiency and peak power levels you need to get the job done.
  • OEM Cummins parts provide the exact fit for a straightforward installation reducing your downtime.
  • Cummins parts ensure you're up and running for financial protection and peace of mind.
  • by KLM Performance
  • Engine : Cummins NH and NT-855
  • Flow Rate :
  • Item Number: Cummins 3064455
  • Make : Cummins 
  • Model 
  • Year 
  • Manufacturer Part No: Cummins 3064455
  • Product Application
  • Height: 2
  • Width :2
  • Brand: Cummins
  • FAQ :Why should you purchase a Genuine Cummins Thermostat for your diesel engine?  Installation of an OEM Cummins 3064455 187 Degree 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: 3064455
  • Manufacturer: Cummins
  • Product Note: Cummins Parts Are A Non-Returnable Item. Please make sure you have ordered the correct part for your Cummins NH and NT-855 Cummins diesel engine!

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