Mt. Horeb Truck Parts, Inc., in Mt. Horeb, WI, is the Midwest's leading truck part specialist serving all of Mt. Horeb since 1992. We specialize in truck parts, truck equipment, medium and heavy duty truck parts, used parts, and more. For all your truck part needs, contact Mt. Horeb Truck Parts, Inc., in Mt. Horeb.. Medium and Heavy Duty Truck Parts,Engines,Transmissions,Rear Ends