At Enviromotive, we stand behind the quality of our parts. All of our diesel emission products, including Diesel Particulate Filters (DPFs), clamps, gaskets, sensors, and accessories, are backed by a limited warranty against defects in materials and workmanship. This warranty covers the replacement or repair of defective parts under normal use and service conditions. Warranty coverage varies by product—please contact us for specific terms and conditions. Contact us for a warranty claim at (800) 954-8265 | techsupport@Enviromotive.net