Dayco 6PK3488 Serpentine Belt | Dual Alternators | 10-15 GM 2500HD/3500 6.6L Duramax

Dayco Poly Rib Serpentine Drive Belts have been meticulously designed to power the various accessories on your engine. These belts boast a poly-rib design that not only enhances their strength but also provides exceptional grip. Dayco is dedicated to manufacturing top-notch belts that cater to the needs of enthusiasts. These belts are built to offer stability, maintain proper tension, and have a prolonged lifespan. Crafted from an EPDM rubber compound infused with aramid fibers, these belts are not only durable but also significantly reduce bothersome belt noises. Furthermore, the EPDM rubber compound exhibits outstanding resistance to the high temperatures and contaminants commonly found under the hood of a vehicle.