Most light duty DPF's are not designed to be serviced like the more common heavy-duty cartridge style DPFs. Not anymore! Replace your failing (or about to fail) DPF unit with one of BC Diesel's serviceable DPF kits for your 2007.5-2010 GMC/Chevy Duramax diesel (w/ the LMM engine).
*WILL ONLY FIT EXTENDED CAB / SHORT BOX
**WILL NOT FIT CREW CAB OR LONG BOX