original 198-4752 Common Rail Fuel Injector Assembly for 3126 Diesel Engine Replacement for OEM 4CR0197 174-7526 High Performance Injector Nozzle original new injector

Designed as a direct replacement for 3126 Series diesel engines, the 198-4752 (1984752) fuel injector delivers precision fuel metering and an optimized spray pattern for reliable combustion performance. This Injector GP-F assembly is engineered with heavy-duty construction to serve medium-duty trucks, construction machinery, generator sets, industrial engines, mining equipment, agricultural machinery, and marine auxiliary engines. Its replacement-ready design supports professional fleet service, aftermarket distribution, and export-oriented workshops requiring dependable diesel injection components.

A searchable part number database supports fast cross-reference identification. Common interchange numbers include 174-7526, 232-1168, 232-1170, 232-1171, 232-1175, 173-9268, 196-1401, 222-5966, 198-7912, 171-9704, 204-2467, 232-1167, 20R-5392, 173-4059, 198-6877, 232-1183, 10R-1266, 4CR0197, 10R-9239, 1OR-9239, and 2C0273. Correct fitment must be confirmed by old injector number, engine model, engine serial number, engine arrangement, and machine model. Multiple supply options and quality inspection support make this injector suitable for fleet maintenance value programs and industrial aftermarket sales channels.

Maintenance should focus on clean fuel, high-quality filtration, water separation, correct oil quality, and contamination control. Before installation, confirm the part number, replace seals and O-rings, inspect the fuel filter and wiring, and follow official service manual torque values and calibration procedures. Early diagnosis of hard starting, rough idle, smoke, misfire, and high fuel consumption using pressure testing, leakage testing, cylinder cut-out testing, and flow balance testing helps ensure optimal injector service life.