Perkins original Perkins 170-5240 Injection Valve Fuel Injection Pump Injector Assembly 317-5278 116-5414 for C12 new injector original new injector

The Perkins C12 fuel injector 170-5240 is a heavy-duty diesel fuel injector assembly engineered for the Perkins C12 diesel engine fuel delivery system. As an OE-specification part, the 170-5240 injector GP is designed to deliver precise fuel metering, stable injection timing, and consistent fuel atomization, supporting combustion efficiency, reduced smoke output, and long service life in demanding industrial operating environments. It is widely used in professional diesel engine repair, engine overhaul projects, remanufactured injector replacement, and heavy-duty fleet maintenance service programs.

This injector assembly is cross-referenced with multiple authorized replacement numbers, including 348-4090, 20R-0055, 10R-1258, 208-9160, 223-5328, 212-3460, 229-8842, 10R-1814, 317-5278, 350-7555, 20R-0056, 166-0149, and 0R-9530, providing flexible sourcing options for distributors, engine rebuilders, and aftermarket parts suppliers. It is commonly searched for heavy-duty truck engine parts, construction machinery service, mining equipment repair, power generation support, and diesel generator set maintenance. Related engine search applications may include the Perkins C10, Perkins 3176C, and Perkins 3196 depending on injector calibration and equipment configuration.

Proper fitment verification is required before installation. Buyers should confirm compatibility by engine serial number, arrangement number, emission configuration, injector calibration, and original injector part number. The part number 10R-7222 should not be used as a direct replacement for 170-5240 unless confirmed by engine serial number and the official Perkins parts system. This injector helps address common engine symptoms including hard starting, excessive smoke, rough idle, misfire, poor fuel economy, and reduced power.