Caterpillar original Fuel Injector 387-9428, Diesel Injector Parts for Caterpillar C7 C9, Replacement for OEM Fuel Injector Assembly, Cross Reference 387-9429, 387-9432, 387-9427 original new injector

For diesel engine rebuilders, heavy equipment fleet managers and industrial maintenance teams sourcing reliable direct-fit fuel system components, the Caterpillar 387-9428 common rail fuel injector is a precision-engineered assembly built to match original Caterpillar performance specifications for CAT C7 and C7 ACERT engine platforms. It is compatible with all C7 variants built for industrial, generator, marine and truck use, and cross-references with widely used interchange part numbers to support seamless replacement across dealer and aftermarket channels. The injector runs on ultra-low sulfur diesel for consistent operation.

Operating within a high-pressure common rail fuel injection system, the 387-9428 uses ECU-controlled solenoid actuation and precision nozzle technology to deliver exact fuel metering and optimized atomization, boosting combustion efficiency, reducing fuel consumption and smoke emissions, and improving cold-start performance. Its industrial-grade construction features hardened internal components, corrosion-resistant surfaces and high-temperature resistance, with full OEM calibration to deliver extended service life even in demanding heavy-duty work environments.

Backed by a 12-month warranty and OEM-equivalent quality standards, the injector is available in new, OEM and aftermarket configurations to suit diverse operational and budget needs. With a 1-piece MOQ, large inventory, flexible neutral or OEM packaging and global shipping options, it offers a 1-7 working day lead time for customers worldwide. It is validated for use across construction, mining, marine, power generation, transportation and industrial applications to support maximum equipment uptime.