These Pair Of Cummins, Mack, Paccar, And Volvo Graphite 15 Inch Diameter Exhaust Gaskets are a practical and reliable solution for your exhaust system needs. With a graphite construction and a diameter of 15 inches, these gaskets are designed to fit most Cummins, Paccar, Mack, and Volvo makes and models. They are directly replaceable with OE clamps and gaskets, making installation hassle-free. With a height of 0.12 inches and a length and width of 15 inches, these gaskets are built to last. They also meet EPA 10 exhaust emission norms, ensuring compliance with regulations. Direct OE replacement numbers include 2188190, 5304868, 5417859, OTR58821, and A029E744.