DAYCO 5061420 MAIN DRIVE POLY RIB BELT SERPENTINE BELT FOR 2002-2008 GM 2500HD/3500HD WITH 6.6L DURAMAX ENGINE

The Dayco 5061420 Poly Rib Belt Serpentine Belt is engineered for reliable performance in your GM Duramax engine, covering models from 2002 to 2008, including the LB7, LLY, LBZ, and LMM variants equipped with an add-on hydraulic pump and a single alternator. This high-quality serpentine belt, measuring 142 inches in effective length, is constructed from EPDM rubber with aramid reinforcement, delivering exceptional durability and resistance to wear under demanding conditions.

Featuring a standard rib depth and a top width of .82 inches, the belt is designed to fit seamlessly into your vehicle’s system, ensuring optimal power transmission for critical engine components. The straight rib profile enhances grip and reduces slippage, contributing to smoother operation and decreased noise levels. With a thickness of .169 inches, it strikes the perfect balance between flexibility and strength, making it an ideal choice for both heavy-duty hauling and everyday driving.

The Dayco Poly Rib Belt is compatible with a variety of Chevrolet models, including the Silverado 2500 HD (2002-2006, 2008), Silverado 2500 HD Classic (2007), Silverado 3500 (2002-2006), Silverado 3500 Classic (2007), and Silverado 3500 HD (2008). It's also suitable for GMC models, including the Sierra 2500 HD and Sierra 3500 across the same years.

Upgrade your vehicle’s reliability with the Dayco 5061420 Poly Rib Belt, specifically designed to meet the rigorous demands of Duramax engines while providing peace of mind on the road. Trust in a product that combines quality engineering with a proven track record—making every drive more efficient and dependable.