original 317-5279 Diesel Fuel Injector for C7 C9 C10 C11 C12 C13 Excavator Engine Injector Pump Replacement OEM 3175279 Spare Parts original new injector

Engineered for demanding heavy-duty diesel service, this industrial fuel injector carries main reference 317-5279 (3175279) and is designed as a direct replacement solution for C10 and C12 engine platforms. The unit supports OEM-style fitment on common rail diesel fuel systems and is manufactured to deliver precision fuel delivery, stable atomization, and consistent solenoid response across a wide operating range. Each injector is validated through professional bench testing covering flow rate, leakage, spray pattern, and overall injector performance.

Extensive cross-number compatibility makes global sourcing straightforward. Verified interchange references include 229-5918, 212-3462, 10R-0961, 10R-0963, 10R-1258, 0R-4987, 0R-9530, 161-1785, 166-0149, 203-3464, 212-3469, 223-5328, 10R-1003, 10R-1814, and FS10R1814. Typical applications extend to heavy-duty trucks, excavators, loaders, bulldozers, road machines, mining and quarry equipment, diesel generator sets, marine auxiliary engines, and industrial diesel power units. Final fitment should always be confirmed by engine serial number, original injector part number, and fuel system configuration.

Recommended service practices include using clean diesel fuel, replacing fuel filters, draining the water separator, checking injector balance, measuring return flow, and inspecting injectors during engine overhaul or cylinder head repair. Diagnosing symptoms such as hard starting, rough idle, black or white smoke, engine knock, power loss, misfire, and high fuel consumption helps identify injector leakage, worn nozzles, poor atomization, or contaminated fuel before failures escalate.