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), Diesel Oxidation Catalysts (DOCs) and Selective Catalytic Reduction (SCRs) for post-2007, medium to heavy duty trucks and buses.
Our aftermarket DPFs and Catalysts are available for all major manufacturers and provide equal or greater performance to OEM parts, without the added cost of core charges.
With over 150 designs, and counting, Roadwarrior has the largest selection of aftermarket DPFs and DOCs on the market.