This Dorman Exhaust Heat Shield keeps you Ready for the Road Ahead , as a replacement component to ensure surrounding components are shielded from heat generated from the exhaust system. A rattling noise from under the vehicle could suggest a loose heat shield. As a direct replacement, the Dorman Exhaust Heat Shield is engineered precisely to match both the design and dimensions of the original equipment. With on-vehicle testing, you gain confidence that your components withstand extreme heat. Dorman has a distinguished reputation in the heavy duty truck and trailer aftermarket, manufacturing a variety of parts for a complete repair. Through advanced engineering, Dorman successfully checks into today’s most common failures to figure out the why, ultimately delivering modern solutions that not only match OEM parts, but solve known issues. FleetPride is your First Click in Heavy Duty .