Caterpillar original 293-4073 Fuel Injector, C9 Engine, Replacement for OEM 387-9432, for Excavator 10R-4763, Truck 10R-7223, Construction Machinery Parts original new injector

Built as a genuine original equipment component for Caterpillar C9 diesel engine platforms, the 293-4073 fuel injector is engineered to support demanding heavy-duty operations across multiple industry sectors. It fits a broad range of CAT equipment, including 330D and 336D series excavators, 973D crawler loaders, 586C forestry machines, XQP300 generator sets, and C9 engines deployed in industrial, marine and petroleum applications. It is cross-referenced with multiple reman and aftermarket part numbers to simplify parts matching for maintenance and repair teams.

This common rail diesel injector delivers precisely metered fuel at exact timing into the combustion chamber, atomizing fuel into a fine spray to support efficient air-fuel mixing, stable combustion, strong torque output, reduced smoke and lower fuel waste. It features Caterpillar’s wear-resistant construction, coated plunger technology and low-sulfur fuel compatibility, with factory testing to validate reliable long-term performance in harsh operating environments.

Ideal for equipment fleet operators, construction maintenance providers and industrial parts distributors, this OE-grade injector provides a direct fit solution for scheduled C9 engine maintenance and unexpected repair work. Final compatibility must be confirmed using the engine serial number, machine arrangement number and original injector part number before purchase, to avoid fitment issues and ensure optimal performance.