original 10R-1003 Diesel Fuel Injector for C12 Engine 330D 336D 340D Excavator Fuel Injection Pump Injector Assembly Replacement for OEM 212-5328 original new injector

Engineered for demanding diesel operations, the 10R-1003 remanufactured fuel injector delivers OE-style fitment for C12, C-12, C10, C-10, 3176, and 3196 engines. Cross-referenced with 223-5328, CA10R1003, and CA2235328, this injector is manufactured for heavy-duty applications where precise fuel delivery, stable combustion, and long service life are critical. It supports engine performance restoration in rebuild projects, fleet maintenance programs, and industrial diesel service work across global aftermarket channels.

This reman injector is designed to deliver precise fuel quantity at the correct injection timing, supporting stable combustion, engine power output, fuel economy, cold-start performance, and emissions control. It is well-suited for heavy-duty trucks, construction machinery, mining equipment, diesel generators, and industrial diesel engines. The unit is compatible with core return reman supply chains, making it a practical choice for diesel repair shops, truck parts distributors, mining and construction equipment service providers, and reman injector wholesalers serving North America, Latin America, Europe, the Middle East, Africa, Southeast Asia, and Australia.

Before installation, confirm the old injector number against 10R-1003 or 223-5328, verify engine model and serial number, clean the fuel system, replace seals, inspect connectors, follow service manual torque specifications, prime the fuel system, and perform a leak test. Routine maintenance includes clean diesel fuel usage, scheduled filter replacement, water separator draining, and diagnostic testing to prevent nozzle blockage, poor atomization, and internal leakage.