These Pair Of Kenworth And Peterbilt Graphite 3 Inch Diameter Exhaust Bellow Gaskets are a practical and reliable solution for your exhaust system needs. With a 3 inch diameter, 3 inches long, and 3 inches wide, these gaskets are designed to fit most Kenworth and Peterbilt makes and models. Made from high-quality graphite construction, they are 0.04 inches tall and meet EPA10 exhaust emission norms. Sold in pairs, these gaskets can be directly replaced with OE clamps and gaskets, making installation hassle-free. With direct OE replacement numbers of 780245 and OTR58823, these gaskets offer a perfect fit and ensure optimal performance.