original 212-3469 Diesel Fuel Injector for C10 C12 Engine Excavator Parts Replacement for OEM 2123469 10R-0963 10R-0961 317-5278 370-7555 212-3463 212-3462 original new injector

Engineered for demanding heavy-duty diesel platforms, the 212-3469 Fuel Injector GP-Fuel (also referenced as 2123469) is an OE replacement component designed for C12 Marine, 3176C, and related inline six-cylinder diesel engines. Market suppliers also list this injector for C10, C12, 3176C, and 3196 engine applications. With authorized cross references including 20R-8198, 166-0149, 10R-1258, 212-3465, 212-3468, 317-5278, 161-1785, and 0R-9530, this injector is engineered for strong searchability and broad aftermarket coverage in industrial diesel repair channels.

The injector delivers precision fuel metering and stable atomization for efficient combustion, supporting reduced fuel consumption and cleaner exhaust output. Its heavy-duty construction meets the durability requirements of trucks, marine engines, excavators, generator sets, mining equipment, and off-road machinery. Each unit undergoes quality testing to ensure consistent spray patterns, dimensional accuracy, and reliable engine compatibility. The direct-fit design supports straightforward replacement convenience for engine rebuilders, fleet operators, marine service companies, and heavy equipment dealers.

Recommended maintenance includes on-time fuel filter replacement, clean diesel fuel usage, water separator draining, and periodic injector evaluation during overhaul. Before installation, verify the original injector number against 212-3469/2123469, confirm engine serial and arrangement numbers, replace required seals and O-rings, and follow official service manual torque values. Diagnostic support covers fuel pressure testing, return flow testing, injector balance testing, cylinder cut-out testing, and ECM fault code reading for confident troubleshooting.