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Our office is closed on Friday March 29th.

Our office is closed on Friday March 29th.

Thermostats for Cummins 378, 504, 555, and 903 Engines

Thermostat for Cummins 378, 504, 555, and 903 Engines

We carry thermostats for V6-378, V8-504, V8-555, and V8-903 engines. You can easily access our parts selection by using the product links listed below.

If you do not see the Cummins part you need, please use our quote request form or call us at 855.470.3525: our knowledgeable inside sales staff will gladly help you.


THERMOSTAT - V378 / V504 / V555 / V903 / VT8 / VTA903

$32.94

THERMOSTAT (175degF/79degC)

$43.33

THERMOSTAT (180degF/82degC)

$35.95