ACDelco 4K378 Serpentine Belt



Our number one pick is this V-ribbed serpentine belt. The EDDM rubber used is both crack and temperature resistant, which means that it is likely to last longer in your car. In fact, many professionals rely on this belt as it is renowned for lasting longer than similar products.

While some belts cannot deal with accessory belt misalignment, this one is much better at adapting to the situation. As for the construction, it is highly flexible to deal with the countless bends that a serpentine belt goes through during its lifespan. Fit, function, and form have all been carefully considered to create an all-round great serpentine belt.