Caterpillar original Diesel Engine Fuel Injector 0R-2925 Replacement for OEM 4P9075 Cross Reference 7E-9983 0R-3051 For Caterpillar 3500A 3508 3512 3516 Excavator 777B 785 789 original new injector

Engineered as a direct-fit, OEM-equivalent replacement for Caterpillar 3500 Series diesel engines, the 0R-2925 fuel injector assembly supports cross-reference part numbers including 4P-9077, 7E-3383 and 9Y-4544 for flexible maintenance, repair and overhaul sourcing. It is compatible with CAT 3512A (covering industrial, marine, heavy-duty and standby/prime power generator variants), 3508 and 3516 series engines designed for the 3500 fuel system, and is available in new or remanufactured options to match diverse operational budgets.

Constructed from high-strength alloy steel and manufactured to tight OEM specification tolerances, this high-pressure mechanical direct injector delivers an exact spray pattern for optimal fuel atomization and precise fuel metering adjusted to engine load. Its corrosion and wear resistant design enables complete, efficient combustion to reduce fuel consumption, lower soot and NOx emissions, sustain stable power output and extend service life in demanding work environments.

Suitable for industrial power generation, marine propulsion, mining, construction and oil & gas operations, it fits equipment ranging from generator sets and offshore vessels to mining haul trucks and oilfield drilling rigs. It is backed by a 12–24 month warranty, delivered in industrial export-grade packaging, and paired with standardized installation, scheduled maintenance and fault diagnosis guidance to support reliable long-term engine operation.