Caterpillar original Caterpillar 20R-9079 diesel fuel injector replacement for CAT C7 C9 engine common rail new injector original new injector

Engineered for demanding industrial performance, the 20R-9079 diesel fuel injector delivers OEM-quality replacement performance for C7, C7.1, and C7 ACERT diesel engines. This injector is a direct replacement for OE 237-0748 and cross-references 10R-7079, 10R-7225, 320-0689, 557-7627, 20R-8066, 268-1835, 295-1411, 328-3585, and 387-9427, offering B2B buyers a reliable single-source solution for fleet, workshop, and remanufacturing operations across multiple heavy equipment platforms.

Built with high-grade steel and a corrosion-resistant coating, the injector features a precision-machined nozzle that ensures optimal spray pattern and precise atomization for improved fuel efficiency and emissions control. Rated for a pressure range of 2000–2500 bar and an operating temperature of -40°C to 120°C (-40°F to 248°F), it is engineered for continuous heavy-duty operation in excavators, loaders, graders, bulldozers, generators, pumps, compressors, mining machinery, agricultural equipment, and compatible marine diesel engines. Each unit is supplied with seals and washers for straightforward installation, aligned upright with the fuel rail, and torqued to 40–45 Nm per engine specification.

Recommended service intervals include cleaning every 500 operating hours and replacement on leakage, misfire, or reduced atomization. Full maintenance, fault diagnosis, and service guidelines are provided, along with diagnostic calibration support after installation. Backed by a 12-month industrial warranty for confident global sourcing.