Perkins original Perkins 254-4340 Fuel Injector for C9 Engine E330D E336D Excavator Replacement for OEM new injector original new injector

The Perkins C9 diesel fuel injector 254-4340 is engineered as a direct replacement component for the Perkins C9 inline 6-cylinder diesel platform, commonly fitted to 330D, 336D, 336DL, and 336DLN excavators used across construction, mining, and quarry operations. Built around the original C9 fuel system geometry, this injector assembly supports stable injection pressure, controlled fuel quantity, and consistent atomization required for reliable combustion in turbocharged, aftercooled, direct-injection engine applications.

Manufactured to meet heavy-duty industrial standards, the 254-4340 injector assembly features durable metal construction, precision-machined internal components, and a stable spray pattern that contributes to efficient fuel burn, smooth idle, and restored engine power. Each injector is tested for flow rate, leakage, atomization quality, and electrical actuation response before shipment, ensuring dependable performance for engine rebuilders, repair shops, fleet service companies, and heavy equipment parts distributors.

The injector cross-references with numbers including CA2544340, 254-4339, 387-9433, 387-9434, 10R-7222, 266-4446, 328-2574, 328-2576, 293-4072, 235-2888, 268-1839, 188-8739, 172-5780, and 236-0962, allowing flexible replacement across C9-powered equipment. For long service life, clean diesel fuel, scheduled fuel filter replacement, and regular water separator draining are recommended, while full injector set replacement is advised during major engine overhauls.