Volvo Check valve Non return valve OE 31430866 Reflux valve PCV valve Oil-water separator one-way valve

Product Description:

Non return valve
OE NO.:   31430866

Applicable vehicle type: For Volvo

When installing a check valve, the normal flow direction of the medium should be consistent with the arrow direction indicated on the valve body. In terms of maintenance, it is necessary to regularly inspect the check valve for issues such as leakage and blockage. Based on the usage environment and frequency, timely replacement should be carried out to ensure its normal operation.

Application Areas

• Fuel System: The fuel pump check valve prevents fuel from flowing back to the fuel tank, maintaining fuel line pressure.
• Cooling System: The thermostat bypass valve controls the flow of coolant, ensuring the engine operates at a normal working temperature.
• Braking System: The brake booster check valve prevents vacuum backflow, maintaining brake assist effectiveness.
• Engine Intake System: The intake manifold check valve prevents exhaust gas backflow, improving intake efficiency.
• Lubrication System: The lubricating oil pump check valve ensures continuous circulation of engine oil and prevents oil backflow.

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