original 116-5425 Engine Spare Part Fuel Injector new injector original new injector

Engineered specifically for the C12 and C-12 diesel platforms, fuel injector 0R-4988 is a direct-fit replacement component designed to restore original fuel delivery characteristics across heavy duty truck, power generation, marine auxiliary, construction, and mining applications. The unit is also associated with 3196 and C10 engine configurations, giving fleet operators and engine rebuilders broad coverage from a single part number. Its electronic unit injector architecture is calibrated to the C12 fuel system, supporting accurate metering pressure and stable injection timing under variable load.

Manufactured to meet original equipment specifications, the injector incorporates precision-machined nozzle assemblies, wear-resistant internal components, and high-integrity sealing surfaces that withstand the sustained high cylinder pressures of the C12 platform. Each unit is matched to the engine's expected flow rate, atomization pattern, and spray geometry, promoting clean combustion, balanced cylinder contribution, and reduced exhaust emissions. Wide cross-reference coverage — including 10R-0968, 156-1011, 212-3466, EX630968, 630968, 176-1145, 176-1160, and the CA1165425 / CA0R4988 / CA10R0968 / CA1561011 / CA2123466 series — simplifies sourcing for distributors, workshops, and export customers managing mixed inventories.

For maximum service life, the injector requires clean diesel fuel, regular fuel filter replacement, and routine water-separator draining. Operators should monitor for symptoms such as hard starting, rough idle, black or white smoke, power loss, elevated fuel consumption, fuel knock, or cylinder imbalance, and respond with pressure testing, leak-off testing, diagnostic scanning, or cylinder cut-out evaluation. When multiple C12 injectors show age-related wear or uneven performance, full-set replacement is recommended to restore balanced combustion and protect the engine from fuel-dilution damage and derate events.