original 232-1171 Injection Nozzle Diesel Engine Spare Part for Excavator Common Rail Injector Pump 138-8756 new injector original new injector

The 232-1171 fuel injector is engineered specifically for the 3412 engine platform, covering the 3412, 3412C, and 3412E V12 diesel variants with 18.1L displacement. Built as a direct OEM replacement under OE number 10R-7223, this injector integrates seamlessly into the existing fuel system without modification, ensuring full compatibility and reliable operation in demanding industrial environments. The precision-machined multi-hole nozzle atomizes diesel fuel into a fine mist at an operating pressure of 2200–2500 bar, promoting optimal combustion efficiency, reduced emissions, and stable engine performance across heavy-load cycles.

Manufactured from hardened, corrosion-resistant steel, the 232-1171 is rated to withstand the harsh operating conditions encountered in construction equipment, mining machinery, marine vessels, and diesel generator sets. With a compact profile of 120mm in length and 30mm in diameter, and weighing 0.8 kg, it fits securely with an installation torque of 45–50 Nm and connects through a standard SAE 37° flare fuel line fitting. The injector is compatible with standard diesel, high-sulfur, and low-sulfur industrial fuel blends, and each unit is tested for vibration resistance, temperature extremes, and continuous-duty performance prior to shipment.

Routine maintenance intervals are set at 500–800 operating hours, with nozzle inspection recommended every 500 hours and injector seal replacement every 1000 hours. The cross reference numbers 237-8671 and 0R-7223 provide additional sourcing flexibility for distributors and service operations. By choosing the 232-1171 injector, operators of 3412 powered equipment secure OEM-grade fuel delivery accuracy, prolonged engine service life, and consistent productivity across global industrial and marine applications.