Perkins original  180-7431 Common Rail Injector Nozzle Assembly Repair Kit 10R0782 131-7150 177-4752 178-0199 for 3126 Matching Diesel new injector original new injector

The Perkins 180-7431 is a genuine OEM electronic unit injector engineered specifically for the Perkins 3126, 3126B, and 3126E diesel engine series. As an authorized OE replacement, this injector carries the primary part number 180-7431 (1807431) and is fully interchangeable with cross reference numbers 10R-0781 (10R0781) and 0R-8479 (0R8479), allowing for seamless installation across the entire 3126 engine platform. Built to original Perkins factory specifications, it delivers precise fuel metering, stable injection pressure, and an optimized spray pattern required for efficient combustion in demanding commercial and industrial operating environments.

Manufactured with high strength alloy steel components and precision machined nozzles, the 180-7431 injector is designed to withstand the rigorous demands of heavy duty trucks, commercial buses, generator sets, construction machinery, marine propulsion engines, and agricultural equipment. The corrosion resistant construction, heavy duty industrial design, and advanced electronic control compatibility ensure reliable performance under continuous high load operation. Installation is performed at the cylinder head, and the injector is fully compatible with Ultra Low Sulfur Diesel (ULSD) fuel systems, meeting modern emissions and efficiency requirements for Perkins 3126 series power units.

Proper maintenance of the 180-7431 fuel injector is essential for sustained engine performance. Operators should use high quality diesel fuel, replace fuel filters at scheduled intervals, prevent water contamination, and conduct periodic injector testing in accordance with Perkins maintenance schedules. For troubleshooting, technicians are advised to read ECM fault codes, verify fuel pressure, inspect injector electrical signals, perform cylinder cut out and injector balance tests, and check fuel return flow and nozzle condition. The Perkins 180-7431 OEM electronic unit injector, cross referenced as 10R-0781 and 0R-8479, is the trusted direct replacement solution for maintaining peak performance and long service life in Perkins 3126, 3126B, and 3126E diesel engine applications.