CATEngine Parts

171-8772-156-5970 Solenoid Valve — Cat 416C 420D

This is a solenoid valve, an electrically operated control device used within various machine systems to regulate fluid or air flow. It is built to meet rigorous OEM quality specifications, offering reliable actuation and long service life compared to a worn valve that may stick or leak. Operators may experience system malfunctions, such as incorrect hydraulic pressure or an inability to engage a function, when this solenoid valve fails.

Solenoid Valve – Part No 171-8772-156-5970 – CAT Spare Part
Part Specifications
BrandCAT
CategoryEngine Parts
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

Inspect mating surfaces for wear before fitting. Use torque specs from service manual. Replace gaskets and seals as a set — reusing compressed gaskets causes oil leaks. Clean all oil passages with compressed air.

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

Part TypeSolenoid Valve
MaterialBrass, steel, and plastic
ApplicationHydraulic or pneumatic control system
Service LifeReplace based on system diagnostics or 5,000-10,000 hrs
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

A malfunctioning solenoid valve may initially cause intermittent issues with the controlled system, such as slow or jerky operation. If the valve fails completely, the associated function may cease to operate altogether. Continued operation with a faulty solenoid can lead to system pressure imbalances or unintended activation/deactivation of functions, impacting operational safety and efficiency.

Installation Tip

Before removing the old valve, carefully note the position of all hydraulic lines and electrical connectors to ensure correct reassembly. Avoid forcing the valve into its mounting port, as this can damage the sealing surfaces.

Service Note

Inspect the hydraulic fluid or air lines connected to the solenoid valve for any signs of leaks or damage.