Caterpillar original Fuel Injector 386-1767, Cross Reference 386-1754, 386-1771 for CAT 3508B 3512B Engine, Construction Machinery Replacement original new injector

For operators of Caterpillar 3500 Series engines, maintenance providers and industrial parts distributors sourcing reliable fuel system components, the genuine CAT 386-1767 Fuel Injector GP is an OEM-grade solution engineered to meet original Caterpillar fuel system specifications. Recognized across global Caterpillar parts channels, industrial engine overhaul databases and diesel fuel injection supplier networks, this injector is compatible with multiple 3500 Series diesel engine variants, including 3512B, 3508B, 3516B and related models. Compatibility must always be confirmed using the engine’s serial number and arrangement number prior to purchase.

Designed for high-pressure electronic unit injection systems, the 386-1767 functions as a precision fuel metering device, delivering atomized diesel directly into the combustion chamber at electronically controlled timing intervals. Its multi-hole nozzle design enhances fuel atomization, combustion efficiency, fuel economy, emission performance and engine responsiveness, while maintaining stable power output under varying loads. Manufactured to strict Caterpillar standards, it uses corrosion-resistant, high-temperature resistant metallurgy to support extended service life in demanding continuous-duty environments.

This injector serves a broad scope of heavy industrial applications, including industrial and marine generator sets, marine propulsion engines, mining equipment, oilfield power units, heavy construction machinery and continuous-duty power stations. It is associated with a full set of cross-reference numbers used across OEM, remanufactured and aftermarket parts catalogs, streamlining parts identification and replacement for fleet and facility management teams.