Caterpillar original  392-0217 Diesel Fuel Injector 392-0205 392-0206 196-5802 116-7534 for 3512 3520 3508 3516 3512B Excavator Engine Parts new original new injector

The Caterpillar 392-0217 fuel injector is a precision-engineered common rail component designed for CAT 3508B, 3512B, and 3516B diesel engines used in industrial, marine, and power generation applications. Available in both genuine OEM and remanufactured configurations, this injector cross-references with part numbers 20R-1278, 10R-3255, 386-1769, 230-9457, 11R-0286, 10R-7220, 10R-7220B, and 0R-3539, supporting flexible fleet replacement and service part sourcing worldwide. Its precision-machined nozzle delivers consistent atomization, while the high-pressure architecture rated up to 160 MPa ensures reliable injection performance under continuous heavy-duty operation.

Constructed from wear- and corrosion-resistant alloy steel with specialized surface treatments, the 392-0217 injector is built to meet or exceed original equipment tolerances. It maintains a flow rate of 300-400 cc/min with injection accuracy of ±0.5%, contributing to improved thermal output, reduced unburned hydrocarbons, and lower soot emissions. The injector's broad compatibility across the 3508B, 3512B, and 3516B engine families simplifies inventory management for operators running mixed CAT engine populations in power stations, marine vessels, mining sites, and oil and gas facilities.

For maintenance, the injector is designed to be field-serviceable through authorized reman channels, with inspection recommended every 500 operating hours. Installation should follow the CAT service manual with hold-down torque typically set at 35-45 Nm, including cleaning of the cylinder head injector seat, flushing of fuel lines, and replacement of seals and copper washers using approved parts. Common failure indicators include excessive smoke at idle or load, engine roughness or misfire, and noticeable reduction in power or fuel efficiency, making timely inspection essential for sustained engine reliability.