This 5-port, 4-way valve is a critical control element within the pneumatic or hydraulic system of heavy vehicles, directing fluid flow to different actuators or circuits. It is engineered to meet strict OEM performance standards, offering precise and reliable operation compared to a valve with internal leaks or sticking components. Operators might experience issues with braking system response, suspension adjustments, or other functions controlled by the valve, potentially indicated by sluggish or inconsistent operation.
Always verify with serial number before ordering.
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Alternate part numbers that interchange with Volvo 20452152
Fitment: Volvo Trucks: FH12: 2002> 2005, FH13: 2006> 2007, FH16: 1999> 2005, FM9: 2002> 2007, FM12: 2002> 2005, FM13: 2006> 2007
Cross-reference part number with serial number before ordering to confirm fitment. Keep original parts until new ones are confirmed correct. Record part numbers replaced for future reference.
Always consult the OEM service manual for model-specific torque values and procedures. WhatsApp our technical team if you need fitment guidance.
A malfunctioning 4-way valve may initially present as slow or erratic operation of the controlled system, such as delayed brake application or inconsistent suspension height. If the issue progresses, internal leaks or sticking spools can lead to a complete loss of control or unintended actuation. Failure to address a faulty control valve can compromise vehicle safety and operational efficiency.
Before installing, ensure all ports are clean and free of debris, and that the valve is oriented correctly according to the system's flow path. Avoid using excessive force when connecting lines, as this can damage the valve's ports.
When replacing this valve, it is essential to inspect all connected pneumatic or hydraulic lines for leaks, kinks, or blockages, and to check the system's air dryer or filter for proper function.