The Serpentine Belt Tensioner from Alliance is a genuine Alliance heavy-duty truck part you can count on. Built to keep your diesel running strong through the daily grind of over-the-road and vocational work.
Serpentine Belt Tensioner Used on Alternator A/C belt Replaces Part Numbers: 38501 89419
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.
