Perkins original Perkins 0R-8785 Fuel Injector Nozzle 7W-7026 7W-7031 9Y0818 3408 3406 3412 Engine Spare Part new injector original new injector

The Perkins 0R-8785 fuel injector nozzle assembly is engineered as a direct OEM-equivalent replacement component for Perkins 3406, 3406B, 3406C, 3412, and 3412C diesel engines used across industrial, marine, and power generation applications. Manufactured from hardened alloy steel with CNC-machined components and micron-level internal tolerances, this nozzle assembly meets OEM geometry standards to ensure consistent and reliable performance in demanding operating environments.

Designed for precise fuel metering and superior atomization, the 0R-8785 nozzle delivers uniform spray distribution, stable injection characteristics, and consistent injection pressure throughout the engine operating range. These features contribute to improved combustion efficiency, optimized fuel delivery, reduced fuel consumption, and lower exhaust emissions, while enhanced thermal efficiency supports stable operation under continuous heavy-load conditions. Hardened internal components and anti-corrosion treatment extend the service life of the injector and reduce unplanned downtime.

The injector assembly carries authorized cross references including 0R-8785, 7W-7031, R-7W-7031, CA0R8785, CA7W7031, M-0R8785, M-7W7031, CAT0R8785, and CAT7W7031, providing broad compatibility across Perkins-powered construction machinery, mining equipment, marine vessels, diesel generator sets, and oil and gas field installations. Recommended maintenance practices include the use of clean diesel fuel, regular replacement of fuel filters, prevention of water contamination, monitoring of engine smoke levels, and periodic injector testing. Each unit is backed by a 12-month warranty.