Perkins original  0R-3422 Diesel Fuel Injection Pencil Injector Nozzle for 3406 3408 3406B Engine 988B 988F 992D Wheel Loader Replacement for OEM new original new injector

Engineered as a direct OEM replacement, the Perkins 0R-3422 fuel injector nozzle delivers consistent atomization and precise fuel metering for demanding heavy-duty operations. Manufactured from hardened alloy steel under strict OEM quality standards, this nozzle provides high-temperature resistance, superior wear resistance, and stable spray pattern consistency throughout its long operational lifespan. It is designed to fit Perkins 3406B, 3406C, 3408, 3408B, 3408C, 3412, and 3412C diesel engines used across construction, mining, marine, power generation, and oil and gas sectors.

The component cross-references with 4W-7018, 4W-7012, 4W-3619, 5Y-7018, and 0R-1745, supporting a wide range of Perkins equipment including 988B, 988F, 990, 992C, 992D, D8L, 834B, 836, 631D, 631E, 633D, 637D, 637E, 639D, 771C, 775B, SR4 Generator, and WEG Generator models. Its OEM dimensional accuracy ensures straightforward installation, while improved fuel economy, better combustion efficiency, reduced smoke emissions, faster cold starting, and increased engine power contribute to lower operating costs and dependable field performance.

Routine maintenance includes opening pressure testing, fuel leakage inspection, nozzle hole examination, spray pattern evaluation, and injector balance testing. Operators should use clean, premium diesel fuel, replace fuel filters on schedule, replace damaged seals promptly, and follow Perkins service manual procedures to maintain calibration integrity and extend service intervals under heavy industrial loads.