The Fan Override Switch from Newstar is a genuine Newstar heavy-duty truck part you can count on. Built to the standards heavy-duty truckers count on — dependable, durable, and ready to work.
Fan Override Switch Female M10-1.25 Replaces Part Numbers: 577.75638 79PSL3-4 P27-1051 1000335581 904-9418
Fitment: Confirm this part fits your truck's make, model, and year before ordering — our parts team is glad to help.
Why Fitzgerald Truck Parts: fast shipping on in-stock parts, our fitment guarantee, and real heavy-duty parts experts on the phone. Questions? Call 888-873-0448.
