Aftermarket Diesel Oxidation Catalysts for Paccar PX-6, ISL and PX-9 Engines

DPFXFIT™ aftermarket Paccar DOC diesel oxidation catalysts cover PX-6, ISL9 and PX-9 platforms as well as Cummins/Paccar shared engine families, serving Kenworth and Peterbilt truck applications. Designed and manufactured in North America by GESi®, every DPFXFIT Paccar DOC delivers OEM performance and durability with aftermarket affordability.

Each unit features an exclusive stainless steel canister, substrates from Tier-1 OEM suppliers, and ships complete with OEM-quality clamps and gaskets. Search for your OEM or Aftermarket part number, or call 1-888-758-4374 to confirm your application.