Caterpillar original Caterpillar 328-2574 diesel fuel injector replacement for OEM common rail system new injector original new injector

The CAT 328-2574 Fuel Injector is a precision-engineered OEM equivalent component designed for the Caterpillar C9 engine platform and related series. Built with high-pressure nozzle technology, wear-resistant internal components, and anti-corrosion surface treatment, this injector assembly delivers consistent fuel atomization and reliable metering under continuous heavy-load operation. OEM-calibrated fuel delivery ensures stable injection timing, contributing to improved fuel economy, enhanced combustion efficiency, reduced exhaust smoke, and increased engine power output across demanding industrial environments.

This fuel injector is compatible with CAT C9, C-9, C9 ACERT, C9.3, and additional C7 and C18 engine references, making it suitable for excavators including 330D, 336D, and 340D, motor graders 140M and 160M, wheel loaders such as 973C, 814F II, 815F II, and 816F II, and compactors including 627G, 637D, 637E, and 637G. Cross reference numbers 236-2671 and 236-2672 confirm direct interchangeability with original equipment specifications for streamlined inventory management and replacement sourcing.

Engineered for long service life and industrial-grade reliability, the 328-2574 Injector GP-Fuel is supplied in industrial export packaging with a 12-month warranty. Proper maintenance intervals including routine leakage inspection, fuel rail pressure checks at 500 hours, flow testing and ECM diagnostic scanning at 1000 hours, and full injector evaluation with seal replacement at 2000 hours help maintain optimal spray pattern and injection performance throughout the component service cycle.