Perkins original Perkins 4P-9075 Common Rail Diesel Fuel Injector for 3508 3512 3516 3524 Engine Construction Machinery new injector original new injector

The Perkins 4P-9075 fuel injector is a precision-engineered diesel fuel injection component designed for Perkins 3500 Series engines, including models 3512A, 3512, 3512B, 3508, 3508B, 3508C, 3516, 3516B, and 3516C. It carries cross references 0R-3051, 0R3051, OR3051, CA4P9075, CAT4P9075, 7E3381, 7E-3381, 9Y4543, and 9Y-4543, ensuring broad global compatibility for replacement and remanufactured applications. The injector delivers accurate fuel metering and consistent atomization across varying load conditions, supporting stable combustion in heavy-duty operations.

Built to OEM specifications, the 4P-9075 assembly incorporates wear-resistant internal components engineered for high-pressure and high-temperature operating environments. Its optimized spray pattern enhances combustion efficiency, reducing excess fuel consumption and exhaust emissions. The unit is designed for continuous duty in generator sets including SR4 and SR4B configurations, marine propulsion systems, offshore power units, oilfield equipment, mining machinery, and industrial compressor packages used in remote and stationary power plants.

Routine maintenance includes the use of clean diesel fuel, scheduled fuel filter replacement, water separator draining, and periodic injector testing during engine overhauls. For high-hour industrial engines, replacing injectors as a matched set helps maintain balanced fuel delivery and stable engine performance. Common symptoms of injector wear such as black smoke, hard starting, rough idle, power loss, and elevated fuel consumption can be addressed through replacement with the 4P-9075, restoring reliable operation across demanding industrial and marine applications.