CATEngine Parts

135-6616 Flow Control Pump Valve — Cat 3306

This is a critical valve that regulates the flow of hydraulic fluid within the pump system. It ensures the correct pressure and volume of fluid are delivered to the actuators, maintaining optimal system performance. A malfunctioning valve can cause erratic hydraulic operation, loss of power, or system leaks, often manifesting as slow or jerky implement movements.

Flow Control Pump Valve – Part No 135-6616 – 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 TypeFlow Control Pump Valve
MaterialHardened Steel
ApplicationHydraulic Pump System
Service LifeReplace as needed based on hydraulic system performance
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

Erratic or sluggish hydraulic system performance, such as slow boom or bucket movements, is an initial sign of a faulty valve. If ignored, this can progress to a complete loss of hydraulic function and potential overheating. The risk is significant downtime and damage to other hydraulic components.

Installation Tip

Ensure all hydraulic lines are properly flushed before installation to remove any debris that could damage the new valve. Avoid overtightening the valve body, as this can distort the housing and cause leaks.

Service Note

Inspect the hydraulic pump and filter for signs of wear or contamination when replacing this valve.