original 0R-1742 Diesel Fuel Injector Pencil Nozzle Replacement for OEM 4W7018 0R-3422 0R-1745 4W-7015 Fits 3406B 3408 3408C 3412 Truck Engine Parts original new injector

Engineered for demanding heavy-duty fuel injection service, the 0R-1742 Injector Nozzle delivers precision atomization performance required by modern diesel power systems. Manufactured from heat-treated alloy steel with high-accuracy grinding and OEM manufacturing tolerances, this nozzle assembly provides consistent spray geometry, stable fuel delivery and extended service intervals under continuous high-pressure operation. Cross-referenced as 0R-1742 and 0R1742, it is a direct replacement component for a wide range of industrial diesel engines used in construction, mining, marine, power generation and oilfield applications.

The precision needle design combines with high wear resistance and corrosion protection to maintain a stable spray pattern throughout the injector service life. Typical applications include excavators, wheel loaders, bulldozers, motor graders, mining trucks, drilling equipment, diesel generator sets, standby and prime power systems, marine auxiliary engines, and oilfield compressor and power units. Every 0R-1742 unit is supplied brand new with a 12-month warranty, making it a reliable choice for fleet operators, OEM service centers and industrial maintenance distributors seeking dependable long-term performance.

Installation recommendations include cleaning the injector seating area, flushing the fuel system, inspecting fuel filters, verifying calibration and confirming fuel pressure after fitting. Common diagnostic indicators—black smoke from poor atomization, white smoke from injector leakage, hard starting, power loss, engine knock or elevated fuel consumption—signal the need for timely nozzle replacement to protect engine reliability.