Product Details: The Dayco Double Cogged Accessory Drive Belt is the perfect choice for your vehicle's accessory drive system. This belt is designed to improve circulation around the belt, making it operate cooler and longer. It features three plies of neoprene-impregnated fabric that resist heat, oil and grease and a specially formulated treatment of the polyester cord that provides the strength, stability and reliability you need. The belt also provides greater flexibility and meets or exceeds the specifications of SAE J636 and SAE J637. FleetPride is your First Click in Heavy Duty®.