Turbo Boost Solenoid Valve 55563534 – Vauxhall Astra, Zafira & Meriva

Optimize your turbocharged engine’s performance with this Turbo Boost Solenoid Valve, a direct-fit replacement for Vauxhall Astra, Zafira, and Meriva models. The solenoid valve regulates the flow of boost pressure from the turbocharger to the intake manifold, ensuring optimal engine efficiency, power delivery, and fuel economy. Over time, these valves can become clogged, stuck, or electrically faulty, leading to reduced boost, engine warning lights, and poor acceleration. Replacing a failing solenoid valve with this high-quality unit from DDP Autoparts restores precise turbo control, improves throttle response, and helps prevent potential damage to your turbo system — keeping your engine running smoothly and reliably.

OEM Number: 55563534, 55558101, 5851073, 5851600, 55573362, 55573544, 851017,

Number of pins : 2-pin connector

Valve Type : Solenoid Valve

Operating Mode : Electric-pneumatic

Voltage : 12 V

Quantity : 1

Our SKU: TVAU55563534_94

All our Turbo Boost Solenoid Valve 55563534 FOR Vauxhall Astra Zafira Meriva are OEM quality and reliable after market car parts. This Turbo Boost Solenoid Valve 55563534 FOR Vauxhall Astra Zafira Meriva is specifically compatible with Chevrolet: Malibu, Opel: Astra, Astra H Classic, Cascada, Combo, Corsa, Insignia, Meriva, Zafira, Zafira / Zafira Family, Zafira Tourer, Saab: 9-5, Vauxhall: Astra, Astravan, Cascada, Combo, Corsa, Corsavan, Insignia, Meriva, Zafira, .

Please use our make-model-year tool to check this part's compatibility with your vehicle. However, please note that our tool is for reference only and we recommend that you check the part number on your old unit prior to purchasing.

If you are still not sure about the compatibility of this part to your vehicle, please supply us with the VIN number or Reg number in our live chat or contact form! You can also find details on our purchasing & shipping guide here.

❓ Frequently Asked Questions (FAQ)

Q: What does a turbo boost solenoid valve do?
A: The valve controls the turbocharger’s boost pressure by regulating the flow of compressed air to the intake. This helps maintain engine performance, prevents overboost, and ensures efficient fuel usage.

Q: Which vehicles is this part compatible with?
A: This turbo boost solenoid valve fits Vauxhall Astra, Zafira, and Meriva models equipped with a turbocharged engine. Always confirm compatibility using your vehicle’s registration, VIN, or OEM part number.

Q: What are the symptoms of a failing turbo boost solenoid valve?
A: Common signs include:

• Reduced engine power or poor acceleration

• Turbo warning light or check engine light illuminated

• Unstable or inconsistent turbo pressure

• Increased fuel consumption or rough idle

Q: Is this a direct replacement part?
A: Yes — this turbo boost solenoid valve is manufactured to OEM specifications and installs directly without modification.

Q: Can I replace the solenoid valve myself?
A: Yes — replacement is typically straightforward, but ensure the engine is cool and follow proper safety precautions. Disconnect the battery, remove the old solenoid, and install the new one with secure connections.

Q: Will replacing this valve improve engine performance?
A: If the existing valve is faulty, yes — a new solenoid restores proper turbo pressure control, improving throttle response, acceleration, and overall engine efficiency.

Q: Do I need to reset the ECU after replacement?
A: In some cases, clearing fault codes or performing an ECU reset may be necessary for the vehicle to recognize the new solenoid and restore optimal performance.