original 350-7555 Diesel Fuel Injector for C10 C12 Engine Excavator Parts 3507555 20R0055 20R0056 10R1259 10R1003 Construction Machinery Parts original new injector

Engineered for demanding diesel service, the 350-7555 fuel injector is a direct replacement solution developed for C10 and C12 engine platforms, with additional aftermarket compatibility referenced for 3176 and 3196 diesel engines. Cross-referenced to 20R-0056 and CA3507555, this injector GP-fuel assembly delivers precision fuel metering and consistent atomization required for stable combustion, clean exhaust performance, and reliable power output under continuous heavy-duty workloads.

This injector is commonly specified for equipment including 345B, 345B II, 345B L, 365B, 365B II, 365B L, 725, 730, 972G II, W345B II, and R1600G machines, supporting excavators, articulated trucks, wheel loaders, mining loaders, and industrial power units. Built to withstand modern low-sulfur, low-lubricity diesel fuels, it is tested for wear life, fuel economy, and long-term performance. Repair shops, distributors, and fleet operators rely on the 350-7555 for power recovery, improved combustion efficiency, and dependable operation across construction, mining, trucking, agriculture, generator service, and diesel engine rebuilding markets worldwide.

Before installation, verify the part number, engine model, engine serial number, and original injector reference to ensure correct fitment. Maintain a clean installation environment, replace all related seals, and follow official service manual torque specifications. After service, inspect for leakage, abnormal smoke, unstable idle, and diagnostic fault codes. Routine fuel filter replacement, water separator drainage, and clean fuel supply will maximize injector service life.