Drive Belt For Dayco L428, A26 V Belt - A Series Belt - Dimensions (Width X Outside Circumference): 1/2in X 28in. A18 V belts are a classic style suitable for higher speed Fractional Horsepower drives on industrial and agricultural machinery. Designed for many HVAC applications, low vibration, less noise, more efficiency helps for longer motor and v belt life. Series: A (Width: 1/2", Depth: 5/16"). Type Of Cord: HIGH-GRADE ENGINEERED RUBBER. All of our belts are designed for a long SERVICE LIFE. These are high quality replacement belts, they are not OEM belts. The Belt you will receive will be marked as "A -series" or "4L -series" (part number). Our belts will not have the OEM part number printed on them. Classic belts have a special outer wrap for better flexibility & traction. Additionally these belts are anti-static, heat & oil resistant. Drive Belt for Dayco L428