Aftermarket Cummins DOC Replacement Filters – Diesel Oxidation Catalysts

DPFXFIT™ offers aftermarket Cummins and Cummins/PACCAR diesel oxidation catalyst (DOC) replacements engineered for direct-fit installation on Cummins diesel engine platforms and shared Cummins/PACCAR applications. Built to OEM specifications, these DOCs support reliable oxidation of hydrocarbons and carbon monoxide, deliver consistent emissions performance, and provide extended service life for heavy-duty truck and vocational applications.