ACDelco 4K378 Serpentine Belt

What kind of belts and hoses does ACDelco use?

Our line of belts and hoses is made out of quality and durable materials that stand up to our standards and yours and feature coverage for light- and heavy-duty applications. Click the links below to access information on the specific belt & hose parts you are looking for. See your local ACDelco parts supplier for complete warranty details.

Which is the best belt for a serpentine drive?

ACDelco premium range belts are a quality product for today’s applications and an ideal service replacement for original belts on serpentine drives and other multi-ribbed belt applications. Designed for small diameter pulleys, backside idlers, and for use with or without automotive tensioners.

Do you need a Dayco serpentine belt kit?

If the belt is worn, there is a good chance that the related components are worn as well. The new Serpentine Belt Kit provides all the components needed for that application.

Who are the creators of the serpentine belt?

Concept One is a company that was founded by Randy and Kevin Redd. They have been building serpentine systems for Chevy and Ford vehicles since 2001. The company was founded on the premise of developing high-quality components for enthusiasts.

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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.