DPFXFIT™ – GESi-581 aftermarket Cummins DOC replacement filters are built for direct-fit replacement on ISB 6.7L, QSB, and L9 diesel engine platforms. Engineered to OEM standards, these diesel oxidation catalysts deliver consistent hydrocarbon and CO oxidation while supporting durable emissions system performance.
Design Advantages
•Designed and built in North America
•Exclusive 1-piece stainless steel canister design for durability
•DOC Cordierite Substrate manufactured by Tier-1 OEM suppliers
•OEM quality clamps and gaskets included
•Exact fit direct replacement
•3-year unlimited mileage warranty
