Caterpillar original For Caterpillar 3508 3512 3500A Diesel Engine Fuel Injector 7C-4174, 7E-3383 for Excavator, Replacement for OEM 7E-9983, Cross Reference 0R-3051 original new injector

For operators maintaining heavy-duty Caterpillar 3512 series engine fleets across industrial sectors, the CAT 7C-4174 high-pressure mechanical diesel fuel injector is a precision-engineered OEM-grade component built for reliable combustion performance. Designed explicitly for CAT 3512 and 3512A engine variants, it delivers accurate fuel metering, optimized atomization, and consistent high-pressure fuel delivery to support peak combustion efficiency, stable power output, and long service life even under demanding operating conditions.

Every 7C-4174 injector meets or exceeds Caterpillar factory specifications, and undergoes 100% flow and spray testing to validate performance before release. It is fully cross-compatible with a full range of OEM, remanufactured, and distributor catalog part numbers, supporting both new and reman configuration replacement needs. The component is available in new or remanufactured condition, ships in industrial export-grade or customizable packaging, and comes with a 12-month standard warranty for B2B buyer assurance.

Engineered for versatile heavy-duty use, the injector fits 3512 and 3512A engines deployed across power generation, marine propulsion, mining, oil and gas, industrial manufacturing, and heavy construction applications. It supports emissions compliance, reduces unburnt fuel loss, and lowers long-term engine maintenance costs for fleet operators, equipment service providers, and industrial maintenance teams.