Description
Product Description
We recommend servicing your valve every 3 years, or 20,000 miles, whichever comes sooner
Designed as a direct replacement for the OEM valve which is prone to failure when the engine has been tuned or had an upgrade to the engine management software. This valve is complete and ready to install with no fitting kit required.
This valve is supplied assembled with our "green" coded spring which is suitable for standard or mildly tuned engines, and also comes with an uprated 'yellow' coded spring.
This valve is suitable for:
- Vauxhall/Opel Astra G or H type Z20LET Engine
- Astra VXR J Type
- Astra 1.6 GTC
- Corsa VXR 1.6 Turbo Z16LER Engine
- Vauxhall Zafira A or B with Z20LET Engine
- Bentley Continental GT 2003-11
In The Box:
1 x FMDVK04D Valve
1 x Uprated Yellow Spring
1 x Forge Sticker
If you wish to tune this product to fit the needs of your engine, please see the spring tuning kit below.
Please note: In certain car models the removal fo the O.E mounting bolts may be better facilitated by grinding down the short leg of the appropriate Allen key to 10mm long
Check your vehicle compatibility: Click here
Please Note: In line with our policy to constantly review, revise, and improve our product range, the appearance of the product you receive may differ from the one advertised.
Product Reviews
Product Reviews
A high quality product that far exceeded my expectations. Fairly simple to fit with the helpful tip of cutting down the longer leg on an allen key, however I also found tapping a piece of allen key into a spanner was a good option. Retains the stock recirc sound, yet holds boost for a much harder pull. I would highly recommend this!
Great fast delivery. Haven't fitted item yet but looks amazing quality, would highly recommend!
Quality product sounds almost the same as standard recirc however allows turbo to spool up better,built to last due to no diaphragms internally... id advise to remove the whole air intake to allow better access to recirc on corsa d vxr.
Forge Response.
Thank you for the review, we are glad you are happy with the product.
Great product and very fast delivery. Absolute pig to fit thanks to vauxhall but a little adaption of Allan key and perciferene it's on ha
Brilliant item, abit of a pain to fit due to vauxhall but we'll worth buying A*
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Compatible Vehicles
Instructions

Vauxhall Astra, Corsa, Zafira and Bentley Recirculation Valve
Warranty
Warranty Infomation
The majority of Forge Motorsport products come with a limited lifetime warranty (brakes pads excluded). All warranty claims must be accompanied by the original proof of purchase to enable us to help you. Failure to supply this proof will result in your claim or enquiry being denied.
For further information, please call our customer service team on +44(0)1452 380999 or email info@forgemotorsport.co.uk.
Do not use aggressive (acidic) car cleaning products, particularly traffic film remover solutions or shampoos to clean your intercooler, radiator, or oil cooler. The use of these products can damage Forge Motorsport cooling systems and invalidate your warranty. These are often found at car washes. A light, warm, soapy solution (free of harsh acidic cleaning compounds) should be used to clean you cooler and thoroughly rinsed away. We recommend that you should inspect your product on a regular basis for bent and/or crushed fins. Any bent fins should be carefully straightened to allow ambient air to pass through the core face. At the time of installing your Forge radiator, an approved coolant must be used and added to the coolant system. Be sure you never mix coolant and always use distilled water.
This warranty does not apply to any defect in the goods arising from fair wear and tear, wilful damage, accident, negligence by you or any third party, use otherwise than as recommended by the supplier, failure to follow the supplier’s instructions, or any alteration or repair carried out without the supplier’s approval.
Shipping
Shipping
UK Mainland
Next day delivery applies to orders processed before 2pm Monday to Friday, subject to stock availability and geographical restrictions. 'Next day' refers to next working day. We cannot guarantee next day delivery for orders placed after this time. Full details
Delivery is free of charge for all orders £20 or over. Products are sent by standard DPD service which is usually a next day service, but can take 2 days in transit. We reserve the right to ship smaller, lower value items via Royal Mail or any other service. (Not including Scottish Highlands, Scottish Isles, Northern Ireland, Guernsey, Jersey, and Isle of Man where charges will vary).
Europe and Worldwide
Delivery service charges will vary depending on the quantity of product ordered, the related parcel size, and destination postcode. Live shipping rates will be calculated at checkout using ShippyPro and dependent on criteria, you will be given the option of DHL, DPD, or FedEx courier services.
Shipping into the EU - Duty Charge Information
All Forge products are sold with a Delivery Duty Unpaid (DDU) status and an import tariff may apply to your order. Customers will be contacted by the Customs and Excise authority in the destination country regarding payment prior to delivery, and it is important that correct contact telephone number and email information be submitted with the order to facilitate this part of the delivery process. Some couriers are charging an admin fee for shipping into the EU.
If we detect at checkout that you are located within the European Union (EU), you are eligible for a contribution towards your import duty and tax payments. We can add an additional 20% on the total cost of your order, we will then pay the duty and tax costs above your contribution. This offer will ensure the price you pay at checkout is the total you pay, with no additional charges. It will also ensure you have the fastest possible delivery, with no delays. For more information, please see here
Our shipping methods ensure safe and timely delivery of your new Forge products. For further information on cost and delivery times, please contact Forge using the info@forgemotorsport.co.uk email address if you require any more information. We reserve the right to change the delivery service and company at any time.
Forge Motorsport ships via either UPS, FedEx, DHL (primarily for outside of UK), DPD (primarily for UK), or any other courier we chose. Other shipping options may be available for an additional fee over and above the actual shipping costs. Once a product has left our warehouse and is in the possession of the shipping company, any claims must be made directly with that shipper however we can assist with most cases.