If searching by ROADWARRIOR part numbers, please use the updated 5-digit format for best results (ex. C001 is now C0001, C0C2-ID is now C0122-ID).
ROADWARRIOR Inc. manufactures a broad range of Diesel Particulate Filters (DPFs) and Diesel Oxidation Catalysts (DOCs) for post-2007, medium to heavy duty trucks and buses. Our aftermarket DPFs and DOCs are available for all major manufacturers and provide equal or greater performance to OEM parts, without the added cost of core charges. With over 100 designs, and counting, ROADWARRIOR has the largest selection of aftermarket DPFs and DOCs on the market.
ROADWARRIOR DPFs and DOCs are a direct fit replacement for the OEM part and are always newly built, never re manufactured or re-conditioned. ROADWARRIOR has DPFs and DOCs in seven warehouses strategically located across North America to ensure your order reaches you as quickly as possible.