Aftertreatment components are some of the most complicated systems in the Heavy Duty Industry creating huge expenses for drivers & fleets, and challenging even the most experienced techs! Meanwhile, OE's make it harder with core charges, overpriced reman, rejected cores, and warranty complications. When it comes to aftertreatment, Roadwarrior has you covered! We are Heavy Duty Industry leaders with SCR and ONE BOX designs. Our Metalcor® Catalyst technology exceeds OEM specs and improves efficiency. And our parts are engineered with serviceability in mind, extending service life, so you can provide your customers with the best value. Roadwarrior’s catalog of in-stock DPF, DOC, & SCR components for all makes is always expanding, and we’re the only manufacturer to support trucks, buses, and off highway construction equipment! With 11 Warehouses strategically placed across North America, we offer FREE same day pick up & next day delivery on our most requested parts. So you can be sure Roadwarrior will get your customers back on the road. Covering all makes, our team of experts are ready to serve you by providing remote or in-person training, troubleshooting steps, and next day availability. Roadwarrior can help you maximize the value of your aftertreatment service for your customers. Roadwarrior Inc. manufactures a wide range of diesel particulate filters (DPF), diesel oxidation catalysts (DOC), & Selective Catalytic Reduction (SCR) for model year 2007 and newer medium duty trucks, buses and heavy duty class 8 diesel trucks. All Roadwarrior DPF and DOCs are guaranteed to install as a direct fit part and work with your truck's ECU.