original 0R-1740 Diesel Engine Pencil Fuel Injector Nozzle Assembly 8N7005 4W-7017 4W-7018 4W-7019 7W-7032 Replacement for 3304 3306 3304B 3306B Engine original new injector

Engineered for demanding heavy-duty diesel applications, the 0R-1740 Fuel Injector Nozzle delivers precision atomization and reliable long-term performance across construction, mining, agricultural, and power generation environments. This OEM-quality replacement component is fully cross-referenced with alternative numbers 326-4701 and 10R-7700, making it directly compatible with C7/C9/C10 engine platforms as well as C11, 3126, and ACERT series industrial diesel engines. The nozzle is manufactured from high-strength alloy steel with advanced heat treatment technology, ensuring exceptional wear resistance under extreme injection pressures and severe operating conditions.

Advanced CNC-machined nozzle holes generate optimized spray patterns for complete fuel combustion, reducing exhaust smoke, minimizing fuel wastage, and preserving engine power output. A specialized surface treatment protects against corrosion from sulfur-containing fuels and moisture contamination, while precise dimensional tolerances guarantee stable injection pressure and consistent fuel distribution. The 0R-1740 is engineered for continuous operation in excavators, wheel loaders, bulldozers, articulated dump trucks, motor graders, industrial generators, mining machinery, and marine auxiliary equipment, supporting fleet reliability in the most challenging job sites worldwide.

Installation requires removal and thorough cleaning of the injector body, inspection of sealing surfaces, verification of needle movement, calibration of opening pressure, and torque to service specifications. Routine maintenance—including premium diesel fuel usage, regular filter replacement, and water separator draining—maximizes service life. Trusted by global distributors across North America, Europe, the Middle East, Africa, Asia-Pacific, and South America.