Caterpillar original 9Y-0052 Common Rail Fuel Injector for Caterpillar 3508 Diesel Engine Parts, Replacement for OEM, Cross Reference 10R3053, 7E-3381 for Construction Machinery original new injector

Precision-engineered as a genuine Caterpillar fuel delivery component, the 9Y-0052 mechanical diesel injector is purpose-built for CAT 3500 Series engine platforms, with factory-verified fitment for 3512, 3512A and 3512B engine variants across marine, generator, industrial and mining configurations. It delivers precisely metered, atomized diesel fuel into the combustion chamber at calibrated pressure, timing and spray patterns to support efficient combustion, maximum power output, improved fuel economy and controlled exhaust emissions.

Manufactured exclusively to Caterpillar OEM specifications from high-strength alloy steel, this injector features heavy-duty industrial construction, corrosion-resistant design and excellent thermal stability to withstand harsh continuous-duty operating conditions. Its consistent fuel delivery performance supports reliable operation during constant-load generator runs, sustained marine propulsion cycles and high-horsepower industrial use, while aligning with engineering benefits including reduced fuel consumption and extended engine service life.

Validated for use across a broad range of heavy equipment, the 9Y-0052 fits diesel generator sets, marine propulsion systems, mining trucks, oilfield machinery, industrial pump drives and construction equipment, among other critical power applications. Backed by available warranty support and worldwide export availability, it serves as a dependable factory-spec replacement solution for B2B buyers supporting 3512 Series engine operations across relevant industrial sectors.