Federal Military Parts (763) 310-9340
Cold Advance Thermostatic Switch for Military Humvee Including M-Series M998
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$38.49 USD
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$38.49 USD
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The function of the Cold Advance Switch Is Two advance the fuel injection timing and increase idle speed for cold starts.
5390-01-183-6637 5569700 12338596
Compatible with Military Humvee HMMWV - all models - M998 etc.
NOTE: this item is sometimes confused With the engine fan thermostat switch, which is a different function altogether. That item is for the purpose of signaling the hydraulic fan clutch to engage and cool the engine down. The two are unrelated.
