12V 8C-9986 Fuel Solenoid 125-5773 for Caterpillar 3204 3304 3304B 3306 3306B

Fuel Solenoid 12V for Caterpillar

This 12V fuel solenoid, referencing OEM cross-reference numbers 8C-9986 and 125-5773, is a direct-acting shutoff device that controls fuel flow to the injection pump on compatible Caterpillar engines.

Overview

This 12V fuel solenoid is an electromechanical valve designed to start and stop fuel delivery in diesel engines. It serves as a reliable replacement for the original component, ensuring proper engine shutdown and preventing runaway conditions. This fuel solenoid is intended for use on specific Caterpillar industrial and agricultural engines.

Built For Performance

• 12-volt DC operating voltage for standard electrical systems
• Precision-machined plunger for positive fuel shutoff
• O-ring sealed housing for leak-resistant operation
• Compact design for installation in tight engine compartments
• Continuous-duty rated solenoid coil for reliable performance

Fits These Machines

• for Caterpillar 3204
• for Caterpillar 3304
• for Caterpillar 3304B
• for Caterpillar 3306
• for Caterpillar 3306B

On-The-Job Use

• Ensures full fuel cutoff when the ignition is turned off
• Provides consistent operation in demanding construction and agricultural applications
• Facilitates quick engine stop in emergency situations
• Compatible with standard 12V wiring harnesses

Specs At A Glance

Good To Know

Q: Is this fuel solenoid a direct replacement? A: Yes, it is designed as an aftermarket replacement for the original part, using the same mounting and electrical connections for most applications.

Q: How does this solenoid work? A: When energized, it opens to allow fuel flow; when de-energized, a spring closes the valve, cutting off fuel and stopping the engine.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.