These Pair Of Detroit Diesel, Mack, And Volvo Graphite 13.7 Inch Diameter Exhaust Gaskets are a practical and environmentally friendly solution for your vehicle. With a diameter of 13.7 inches, length and width of 13.7 inches, and a height of 0.17 inches, these gaskets are designed to fit most Detroit Diesel, Mack, and Volvo makes and models. Made from graphite, they are directly replaceable with OE clamps and gaskets, ensuring a hassle-free installation. These gaskets also meet EPA 10 exhaust emission norms, making them an eco-conscious choice. With direct OE replacement numbers of 21424458, A4709970045, and OTR35805, these gaskets offer a reliable and efficient solution for your exhaust system.