original Diesel Fuel Injector 177-4754 1774754 for 3126B 3126 Engine Excavator 322C 325C Injector Nozzle Assembly Excavator Spare Parts Supplier original new injector

Engineered as an OE-style replacement for 3126 series HEUI diesel engines, the 177-4754 fuel injector delivers reliable atomization and consistent fuel metering for demanding industrial and construction service environments. This injector is manufactured to match the fitment and performance profile of the original assembly, supporting 3126, 3126B, and 3126E engine platforms deployed in excavators, wheel loaders, material handlers, harvesters, toolcarriers, and pumper units. Correct matching by original injector number and engine serial number is recommended prior to installation.

This unit supports an extensive interchange database, including 177-4754, CA1774754, 10R-0782, CA10R0782, 10R-9237, 178-0198, CA1780198, 178-0199, CA1780199, 205-1285, CA2051285, EX630782, 128-6601, 173-4566, 183-0691, and 630782, providing broad compatibility for repair shops, fleet operators, and rebuilders. Typical applications include the 322C, 325C, M325C, IT62G II, 570B, 580B, 950G II, 962G II, and SPP101. Product condition may be supplied as new aftermarket, remanufactured, rebuilt, refurbished, or OEM-style replacement, and packaging is available as a single injector or full six-piece set.

When properly installed with a fresh fuel filter, clean diesel, and validated ECM diagnostics, the injector helps restore fuel delivery, combustion balance, idle quality, and engine response, reducing hard starting, rough idle, black smoke, misfire, and elevated fuel consumption.