Clean Diesel Group (CDG)
Clean Diesel Group is a company specializing in all manner of diesel emissions retrofit kits and retrofit replacement parts. We also handle repair/service, customer support, and warranty issues for retrofit products from what was formerly known as Donaldson Retrofit Emissions. Clean Diesel Group is now officially a division of Diesel Emissions Service (DES).
We have CARB-approved and EPA-certified retrofit parts and kits available for emissions systems including LNF & LXF Mufflers, SEF systems, DOCs, and EDMs. As well as parts and services for Thermal Regenerators and Pulse Cleaning machines originally purchased from Donaldson.