Perkins original 4W7019 Diesel Common Rail Fuel Injector Assembly 3204 3208 3400 3412 D10N D9L D9N Tracked Bulldozer Replacement for OEM original new injector

Engineered for demanding heavy-duty diesel applications, the Perkins 4W7019 Fuel Injector Nozzle delivers OEM-equivalent fuel injection performance across a wide range of Perkins engines including the 3114, 3116, 3126, 3126B, 3126E, C7, C9, 3176, 3196, 3406E, C10, C12, and C13 series. Manufactured from premium alloy steel using advanced heat treatment, precision CNC machining, and strict quality control procedures, this nozzle ensures accurate fuel atomization, stable injection pressure, and optimized combustion efficiency under severe operating conditions.

The precision-machined nozzle holes produce consistent spray patterns that improve fuel economy and reduce exhaust emissions, while wear-resistant internal components and high-temperature resistance guarantee reliable long-term operation in construction, mining, and industrial power environments. Corrosion protection shields the nozzle against sulfur-containing diesel fuel and moisture contamination, maintaining stable fuel delivery across varying engine loads in excavators, wheel loaders, bulldozers, motor graders, mining trucks, diesel generators, and auxiliary marine power units.

Directly cross-referenced with part numbers 0R3418, 4W7018, 0R8787, 7W5929, 7N0449, 8N7005, 8N7006, 9L6969, 9N2366, and 7N1221, the 4W7019 nozzle serves as a dependable OEM-style replacement component for field service, scheduled overhaul, and emergency repair operations. Its extended service life, stable injection characteristics, and compatibility with Perkins 312D, 315D, 320D, 323D, 324D, 325D, and 330D equipment models make it a trusted solution for distributors, fleet operators, and heavy equipment maintenance professionals worldwide.