Perkins original  Diesel Common Rail Fuel Injector 573-4231 Replacement for Excavator E330D 336D C9 Engine Parts original new injector

The Perkins 573-4231 is an original OEM common rail fuel injector assembly designed specifically for the Perkins C9 and C9 ACERT diesel engine platforms. Manufactured to meet Perkins fuel system specifications, this injector delivers high-precision fuel metering across varying engine loads, ensuring consistent combustion performance in demanding operating conditions. It serves as a direct replacement for Perkins part numbers 20R-8846, 20R-8064, 20R-8069, 293-4072, 11R-1582, 387-9432, 387-9435, 267-3360, 328-2574, 557-7637, and 557-7634.

Equipped with multi-hole nozzle technology, the 573-4231 injector provides ultra-fine atomization that promotes faster and more complete combustion. The unit is engineered to withstand severe high-pressure diesel fuel system environments, while its corrosion-resistant components make it well suited for mining, marine, construction, and power generation applications. This injector assembly is commonly found in excavators, wheel loaders, generator sets, and heavy industrial machinery, including equipment models 950H, 962H, 966H, 972H, and 980H powered by Perkins C9 engines.

Key operational benefits of the Perkins 573-4231 include improved torque output, enhanced fuel economy, lower particulate emissions, and better overall engine response. The long service life design supports extended operating hours in heavy-duty applications, reducing downtime and maintenance frequency. Each injector is built to OEM tolerances, providing a reliable fuel injection solution for distributors, fleet operators, and rebuild specialists serving the global Perkins C9 engine market.