Solenoid 12V 155-4651 8C-3664 for Caterpillar CAT Excavator CB-634D 3116 3126

Solenoid for Caterpillar

This 12V solenoid, cross-referenced as 155-4651 and 8C-3664, provides reliable electrical actuation for Caterpillar excavator and engine systems.

Overview

This solenoid is a direct replacement for Caterpillar part numbers 155-4651 and 8C-3664, designed to control fluid or air flow in heavy equipment. It is commonly used on Caterpillar excavators and engines such as the 3116 and 3126. The solenoid ensures consistent operation under demanding conditions.

Built For Performance

• 12V DC operation
• Continuous duty rated
• Plunger-type design with spring return
• Copper coil for efficient power transfer
• Sealed housing resists dirt and moisture
• Interchangeable with OEM units

Fits These Machines

• for Caterpillar Excavator CB-634D
• for Caterpillar 3116 Engine
• for Caterpillar 3126 Engine

On-The-Job Use

• Used in hydraulic systems to engage pumps and valves
• Commonly installed on excavator swing brakes and travel controls
• Applies to engine fuel shutoff and throttle controls
• Suitable for harsh environments on construction sites

Specs At A Glance

Good To Know

Q: Will this solenoid fit a Caterpillar 3126 engine?A: Yes, it is designed as a direct replacement for the 155-4651 and 8C-3664 solenoids used on Caterpillar 3116 and 3126 engines.

Q: Is the solenoid polarity sensitive?A: This solenoid is not polarity specific and can be installed with either terminal connected to positive or ground.

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