Caterpillar original Diesel Fuel Pump Injector 20R-8057 Replacement for OEM 20R-8058, Cross Reference 295-1408, for CAT C7 Engine, Excavator Application, 243-4502 original new injector

For diesel repair shops, fleet operators and industrial parts distributors sourcing reliable CAT C7 engine components, the 20R-8057 diesel fuel injector is a purpose-built fuel system part designed for Caterpillar C7 series diesel engine platforms. Listed officially as a Cat Reman component, the injector is available across channels as original remanufactured, remanufactured, or aftermarket replacement stock, with searchable part number formats including 20R8057 and 20R 8057.

As the final precision control component in the diesel fuel delivery system, the 20R-8057 meters, atomizes and delivers diesel fuel to the combustion chamber at the exact required timing and quantity. Genuine Cat Reman units include engineering design updates and undergo factory testing to meet Caterpillar reliability standards. The part is cross-referenced with a range of common OEM and aftermarket part numbers, though final compatibility must be verified via engine serial number, injector trim code, CPL/arrangement and original part number.

This injector supports a broad range of C7-powered equipment across on-highway and off-highway sectors, including medium-duty trucks, buses, excavators, wheel loaders, generator sets, industrial and agricultural machinery. As the CAT C7 is an inline 6-cylinder platform, full injector replacement typically requires six units. Buyers should note that core returns may be mandatory for remanufactured injector purchases, and compatibility should always be confirmed against specific equipment and engine details before ordering.