The Dayco Double Cogged Accessory Drive Belt is the perfect solution for keeping tension throughout the life of your belt. Constructed with raw edges, this belt provides consistent grip and prevents slippage. The top and bottom cogs provide great flexibility for extended life and the polyester cord ensures the greatest force is applied to pulleys with a smaller diameter. This belt meets the requirements of SAE J636 and J637, making it an ideal choice for your accessory drive belt needs. FleetPride is your First Click in Heavy Duty®.