Perkins original  180-7431 Diesel Fuel Injector Assembly Repair Kit for 3126 Series, Common Rail Nozzle Replacement for OEMoriginal new injector

The Perkins 180-7431 fuel injector is a genuine OEM electronic unit injector engineered for the Perkins 3126, 3126B, and 3126E diesel engine series. Manufactured with high strength alloy steel components and precision machined nozzles, this injector delivers stable fuel delivery, optimized spray patterns, and high precision metering to support efficient combustion in demanding operating environments. It is fully compatible with Ultra Low Sulfur Diesel (ULSD) and meets advanced electronic control system requirements for modern heavy-duty applications.

Designed as a direct replacement for OE part numbers 10R-0781 and 0R-8479, the Perkins 1807431 injector assembly integrates seamlessly into existing engine management systems. Its corrosion resistant construction and OEM tolerance manufacturing ensure long service life under heavy-duty industrial conditions. Installation is performed at the cylinder head position, and the injector is engineered to deliver consistent performance across heavy duty trucks, commercial buses, generator sets, construction equipment, marine propulsion units, agricultural machinery, and industrial power units.

Proper maintenance of the Perkins 180-7431 injector includes the use of high-quality diesel fuel, regular fuel filter replacement, prevention of water contamination, and periodic injector testing. Technicians should inspect the injector bore, replace sealing components when applicable, follow Perkins torque specifications, verify electronic connectors, and conduct post-installation engine diagnostics. Diagnostic procedures such as reading ECM fault codes, checking fuel pressure, inspecting injector electrical signals, performing cylinder cut-out and injector balance tests, verifying fuel return flow, and inspecting nozzle condition help maintain reliable operation throughout the service life of the injector.