Product Details: The Dayco 43" V-Belt is the perfect choice for Freightliner, Kenworth, and Peterbilt vehicles. This belt is designed to be used on small diameter pulleys, allowing for high transmission ratios and greater friction with less slippage. The belt is also designed to last longer, with good resistance to heat and a high friction coefficient. This belt is a great choice for any vehicle, providing reliable performance and long-lasting durability. FleetPride is your First Click in Heavy Duty®.