Upgrade your 7.3 Powerstroke with the Dayco 5081373 HD Poly Rib Serpentine Belt - Main Drive, engineered for top-notch performance and durability. Featuring a robust HD poly rib design and made from premium EPDM rubber, this belt ensures long-lasting strength and resistance to wear. It also minimizes pulley misalignment noise, enhancing the smooth operation of your engine. Perfect for dual alternator models, it provides a precise fit and reliable performance in the factory location.

• HD poly rib construction for enhanced durability
• Reduces pulley misalignment noise for quieter operation
• Ideal fit for factory locations, including dual alternator models
• Made from EPDM rubber for superior strength and longevity