The Peterbilt Exhaust Mount Bushing is a high-temperature polyurethane bushing designed to provide a secure and durable fit for most miscellaneous makes and models. With an inner diameter of 7/16" and small and large outside diameters of 1 1/8" and 1 3/4" respectively, this bushing is a practical and reliable solution for exhaust mounting. Sold individually and compatible with OE parts from Kenworth and Peterbilt, this exhaust mount bushing offers a cost-effective and long-lasting solution for your vehicle's exhaust system needs.