Cummins 4951452 PT Fuel Injection Pump Assembly

The Cummins 4951452 is a PTG-EFC type fuel injection pump engineered for the Cummins NTA855, NT855, and N14 engine series. It operates on the Pressure-Time (PT) fuel system principle, delivering metered fuel to PT injectors such as part number 3054233. This pump is calibrated for applications including 300 kW standby generator sets (NTA855-G2A) rated at 343 kW at 1500 rpm, as well as marine propulsion, mining machinery, and heavy-duty truck platforms. The assembly replaces OEM part numbers 3419492 and 3059657. It features a robust iron construction suitable for high-pressure fuel delivery in severe duty cycles. The pump is available in both genuine OEM and certified aftermarket grades meeting ISO9001 and CE standards. Cross-reference interchange includes SP18A01 and 3655233.