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5256423
Thermostat
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$33.99 $44.19

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.


DESCRIPTION
A thermostat is a component in a truck's engine cooling system that helps regulate the engine's temperature. The part number for this specific thermostat is 5256423. It works by opening and closing a valve that allows coolant to flow through the engine, helping it maintain an optimal temperature. When the engine is cold, the thermostat remains closed, preventing coolant from circulating through the radiator and instead keeping it within the engine block to warm up faster. Once the engine reaches its operating temperature, usually around 195 degrees Fahrenheit (90 degrees Celsius), the thermostat opens and allows coolant to flow through the radiator to cool down before returning back to the engine again. It plays a crucial role in preventing overheating or undercooling of a truck's engine, which can lead to serious damage if left unchecked.

SPECIFICATIONS

Package Dimensions
15.5 x 11.0 x 8.0 in
Weight
0.11 lb
* This information is provided as is and may be out of date.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.