CATFuel System

3E0135 Solenoid As — Cat 120G 120M

This is a Caterpillar Solenoid Assembly, a critical electro-mechanical valve used in various machine systems, often for controlling fluid or air flow. It operates by using an electrical current to move a plunger, opening or closing a passage to regulate system functions, ensuring precise control unlike a worn solenoid that may stick or fail to actuate. Operators might experience system malfunctions, such as incorrect hydraulic pressure or failure of a specific function to engage, when this solenoid is not operating correctly.

Solenoid As – Part No 3E0135 – CAT Spare Part
Part Specifications
BrandCAT
CategoryFuel System
ConditionAftermarket — OEM Specification
DispatchSame-day from Mumbai (before 3 PM IST)
GST InvoiceAvailable — all orders
Export DocsCommercial invoice, packing list, COO

Compatible Models

Always verify with serial number before ordering.

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Installation & Application Notes

Use clean, filtered fuel — fuel injection components have micron-level tolerances. Prime fuel system before cranking to avoid dry-start damage. Replace fuel filter whenever servicing injection components. Calibrate injectors after replacement if equipment has ECU.

Always consult the OEM service manual for model-specific torque values and procedures. WhatsApp our technical team if you need fitment guidance.

Part TypeSolenoid Assembly
MaterialSteel, copper, plastic
ApplicationSystem control (e.g., hydraulic, transmission)
Service LifeReplace when electrical or mechanical failure is detected
Compatibility120G, 120M, 12G, 12H, 12H ES
ConditionNew — CTP aftermarket replacement

Failure Symptoms

A malfunctioning solenoid may initially present as intermittent operation of the controlled system, such as a function that sometimes works and sometimes doesn't. If the solenoid fails completely, the associated system will cease to function, potentially immobilizing the equipment or preventing a critical operation. This can lead to operational delays and the inability to perform necessary tasks.

Installation Tip

Before installing, verify the electrical connector is clean and free of corrosion, as poor connections are a common cause of solenoid failure. Ensure the solenoid is correctly oriented according to the system's flow direction, as many are directional.

Service Note

When replacing a solenoid, inspect the associated hydraulic or pneumatic lines for blockages or leaks and check the system's fluid level and condition.