original Diesel Fuel Injector 170-5240 1705240 Injection Valve Assembly for C12 Engine Excavator Truck Replacement for OEM 170-5252 317-5278 Auto Parts original new injector

Engineered for professional diesel engine service, the 170-5240 fuel injector assembly is a heavy-duty Injector GP designed for the C12 diesel engine fuel delivery system. It supports precise fuel atomization, accurate injection timing, controlled fuel metering, and stable combustion performance under demanding industrial workloads, making it a reliable component for aftermarket replacement, remanufactured injector programs, and complete engine overhaul projects.

This injector is widely searched for use in heavy-duty trucks, construction equipment, mining machines, diesel generator sets, marine auxiliary engines, and industrial power units. Related engine search applications may include C10, 3176C, and 3196, subject to engine serial number, arrangement number, injector calibration, and equipment configuration. Cross reference numbers include 170-5240, 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, giving distributors and service centers broad sourcing flexibility for fleet maintenance and overhaul inventories.

Installing a properly matched 170-5240 injector helps resolve common diesel engine symptoms such as hard starting, excessive smoke, rough idle, misfire, poor fuel economy, and low power output. Before installation, always verify fitment by original engine serial number, arrangement number, and factory injector part number to ensure correct calibration, optimal combustion efficiency, and long-term operational reliability in heavy-duty service environments.