Fuel Pressure Control Valve

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Fuel Suction Control Valves (SCV)

Shop replacement Fuel Suction Control Valves (SCV) at AH Car Parts. Fitted directly to the high-pressure fuel pump, our precision SCVs regulate fuel volume before it enters the pump element to ensure steady idling and smooth acceleration. Backed by a full 1-Year Warranty.

What is a Fuel Suction Control Valve (SCV)?

The Suction Control Valve (SCV) is an electromagnetic valve mounted on the high-pressure diesel fuel pump. It controls the amount of fuel sucked into the pump chamber, regulating common rail supply from the source.

Why Do SCV Valves Fail?

Internal plungers suffer from stiction (sticking) due to microscopic fuel deposits and continuous cycle wear. When the valve sticks, the ECU cannot accurately control fuel flow into the injection pump.

Symptoms of a Faulty SCV Valve

Common signs include uneven or hunting engine idle, power surges during acceleration, engine stalling, hard starting, or fault codes related to fuel pump volume regulation.

Why Choose AH Car Parts?

Our replacement SCV valves feature high-grade internal seals and precision-ground plungers to prevent sticking and pressure fluctuation. Dispatched fast from our UK warehouse.

Need Help Matching Your SCV Valve?

We are here to help you identify the correct suction control valve for your fuel pump.

Vehicle Reg & Pump Number Verification

Unsure whether your pump uses a short-body or long-body SCV valve? Send us your registration number or fuel pump part number, and our technical team will confirm fitment.

1-Year Warranty Included

Every Suction Control Valve (SCV) ordered from AH Car Parts comes with a full 1-Year replacement warranty for reliable engine performance.

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