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3954830
Thermostat
Cummins®

DISCONTINUED

Cummins®
Superseded by 5292744
Genuine OEM Part

This truck part is made by Cummins®. We guarantee that all of our parts are from the OEM (original equipment manufacturer), ensuring a proper fit and quality manufacturing. We make it easy to buy truck parts online.

Manufacturer Warranty*
DESCRIPTION
A thermostat is a temperature-regulating component found in the engine of a truck. The 3954830 model is designed to monitor and control the flow of coolant through the engine block, ensuring that it stays at an optimal operating temperature. When the engine is cold, the thermostat remains closed, preventing coolant from flowing through the radiator and instead forcing it to circulate within the engine block. Once the engine reaches operating temperature, however, the thermostat opens up to allow coolant to flow freely between both areas. This helps prevent overheating and ensures that all parts of the engine remain properly lubricated and functioning smoothly while in use.

SPECIFICATIONS

Package Dimensions
2.9 x 2.4 x 2.38 in
Weight
0.24 lbs
* This information is provided as is and may be out of date. Please contact us or the manufacturer to verify warranty coverage.
* Variable geometry turbocharger and electronic actuator repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after October 1, 2018.
* Diesel Oxidation Catalyst (DOC), Diesel Particulate Filter (DPF), Selective Catalyst Reduction (SCR) catalyst, and Electronic Control Module (ECM) repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after January 1, 2020.
* These restrictions are only applicable to New parts and ReCon parts coverages for the components listed above sold to a customer in the US or Canada. All other coverages are excluded. All other regions are excluded.

Frequently Asked Questions

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FAQ PAGE

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