Description Cummins ISX12 High-Pressure Fuel Pump – 4395485RX / 439548RX (2010–2016)Description:Rebuilt high-pressure common rail fuel pump for Cummins ISX12 (2010–2016) engines. This pump is professionally rebuilt, bench-tested, and calibrated to OEM specifications to deliver the fuel pressure required for efficient combustion, emissions compliance, and dependable heavy-duty engine performance.This fuel pump replaces OEM part numbers 4395485RX, 439548RX, 4395485, 4384387, 4384387RX, 4307700, 4307049, and other superseding Cummins ISX12 fuel pump references.Compatible Engines:Cummins ISX12 (EPA10 – EPA13)Installed in Freightliner, Peterbilt, Kenworth, International, Mack & Volvo chassis using ISX12 enginesCommon in vocational trucks, regional haulers, refuse trucks, and emergency vehicles�� Need fitment help?Call (909) 639-4195, and our team will confirm compatibility using your engine serial number (ESN).
