Detroit Diesel Injector Part #5226425 Details:
Application: Detroit Diesel Series 60 (9G75) engines.
Function: High-pressure fuel injector for precise fuel delivery.
Compatible Models: Likely used in late-model Series 60 engines (check exact fitment for your engine serial number).
The Detroit Diesel 9G75 fuel injector (Part #5226425) is a critical component for the Detroit Diesel Series 60 engine, specifically the 9G75 variant. Below are its key application scenarios, compatible equipment models, and advantages:
1. Engine Application Scenarios
This injector is designed for heavy-duty diesel engines in demanding applications, including:
Long-Haul Trucking – Provides reliable fuel delivery for over-the-road (OTR) freight haulers.
Construction Equipment – Used in loaders, bulldozers, and excavators requiring consistent power.
Marine & Industrial Engines – Found in generator sets, pumps, and marine propulsion systems.
Municipal & Vocational Vehicles – Garbage trucks, fire engines, and other heavy-duty service vehicles.
2. Compatible Equipment Models
The 5226425 injector is primarily used in:
Engines:
Truck & Equipment Applications:
Freightliner Century, Columbia, Argosy
Western Star 4900, 5700
Volvo VNL, VNM (with Detroit Diesel Series 60)
Mack Trucks (older models with Series 60 swaps)
Off-road & Industrial Equipment (e.g., Terex, Komatsu with Detroit Diesel power units)
3. Key Advantages of the 5226425 Injector
✔ Precision Fuel Delivery – Optimizes combustion for better fuel efficiency and lower emissions.
✔ Durability – Built to withstand high-pressure (up to 30,000+ PSI) common-rail diesel systems.
✔ Reduced Carbon Buildup – Advanced spray patterns minimize injector coking and deposits.
✔ Improved Power & Response – Enhances throttle response and torque in heavy-duty conditions.
✔ OEM & Aftermarket Support – Available as genuine Detroit Diesel, Bosch remanufactured, or aftermarket options.
4. Maintenance Considerations
Symptoms of Failure: Hard starts, misfires, excessive smoke, or poor fuel economy.
Recommended Service Life: Typically 150,000–250,000 miles, but varies by operating conditions.
Best Practices: Use ultra-low sulfur diesel (ULSD) and quality fuel filters to extend injector life.
