Caterpillar original Common Rail Fuel Injector Cross Reference 386-1754, 162-8813, 150-4453 for C3500B Series Engine Replacement 386-1774 Aftermarket Parts original new injector

The Caterpillar 386-1774 diesel fuel injector assembly is a precision-engineered original OEM component designed for the Caterpillar 3500 Series heavy-duty engine platform. As a critical part of the fuel injection system, it delivers accurately metered fuel into the combustion chamber at calibrated timing and pressure, with fine atomization to support optimal combustion. This design helps maximize engine power output, improve fuel economy, reduce exhaust emissions, and maintain reliable operation even in harsh, high-demand industrial environments.

This injector is compatible with a full range of Caterpillar 3500 Series engine models, including 3508, 3508B, 3508C, 3512, 3512B, 3512C, 3516, 3516B and 3516C. It is indexed under multiple procurement identifiers, including reman part number 20R-1282 and cross references 11R-0667 and 392-0222, to streamline parts matching for maintenance and procurement teams. Always verify the engine serial number and arrangement number before ordering to confirm proper fitment.

Manufactured to OEM-level quality standards, the 386-1774 injector delivers high injection accuracy, stable fuel delivery, extended service life and consistent performance across demanding use cases. During installation, use clean fuel, replace sealing components, follow Caterpillar service procedures, verify fuel pressure and conduct leak inspections to prevent contamination and premature failure. It supports reliable operations across power generation, marine, mining and oil & gas sectors globally.