GFB DV+ T9359 Diverter Valve - VAG 2.0 TFSI IS38 (eg Golf Mk7 R GTI CS, S3 8V, Leon Cupra 5F)
The delivery time for products in stock is 1-3 business days.
If the product is not in stock and it is a pre order product, the average delivery time is 5-21 business days. If the product has a longer delivery time than previously announced, we will be in touch.
Terms for product returns:
- You must return the ordered products within 14 days of receiving
- The products must be unused and without damages
- Commission fee for handling returns is 21,90€
- For product returns, the customer is in charge of the return costs. Only door to door service (Express)
- Shipping costs are not refunded
For international orders (outside of Europe) sales are final and non-refundable. Once an order is placed, it cannot be canceled or returned. By placing an order, you acknowledge and agree to these terms.
Return address: QT Parts, Vasarakatu 8B, 37150 Nokia, Finland.
Pre order / made-to-order products
If the product you have ordered is a pre order or made-to-order item, it is not subject to the 14-day right of withdrawal or return under consumer protection laws, as the product is manufactured or sourced specifically based on the customer’s individual order.
If you wish to cancel your order before receiving the product, we will refund 50% of the total order amount.
This condition applies to the following product categories:
- Suspension
- Engine Tuning
- Engine Parts
- Exhaust Systems
- Fueling
- Turbochargers/superchargers
- Drivetrain
- ECE-approved Downpipes
All of the above products are manufactured or sourced individually based on the customer’s order, and therefore cannot be returned after delivery, unless the product has a manufacturing or material defect.
In the event of such a defect, the standard liability for defects as provided by consumer protection legislation shall apply.
Many vehicle manufacturers use an electrically controlled original valve, which is all too often already defective or leaking at the factory.
This causes a loss of performance, which is even more pronounced in performance-enhanced vehicles due to the higher boost pressure.
Here GFB extends the DV+ series with a plug 'n play solution: The robust, anodised and CNC-milled Aluminum housing of the GFB DV+ boost air valve closes this "hole" in the charge air system and the vehicle has Noticeably more power and torque . The mode of action has been demonstrably tested by GFB in several performance measurements on the test bench!
Since the GFB DV+ only replaces the original valve and the original control unit (the solenoid valve unit) is still used, it integrates perfectly.
GFB's DV+, on the other hand, responds much better, is cheaper, easier to install and causes no "surging" or flutter. Furthermore, it does not require different springs to be adjusted to the respective boost pressure, nor does it require regular maintenance. In addition, it can withstand any boost pressure.
The secret here is that the piston seals through the applied boost pressure itself and not with the help of the spring. Through small openings on the piston's guide housing, the pressure flows backwards into the valve unit and pushes the piston downwards by the boost pressure's own force, which presses the piston with the rubberized underside against the stop and thus leads to the system sealing under load. The so-called "pliot" (called "solenoid plunger" in the illustration below) now seals the "pressure chamber" of the piston airtight, so that there is now pressure on a larger surface inside the piston chamber than from below on the Rubberized underneath. As soon as a load change now occurs (eg during gear shifting), the actuation unit lifts the piston and the pressure can escape from the piston chamber, causing the piston to lift and discharge the excess pressure from the charge air system.
We recommend the new variant GFB DV+ T9381. This is easier to install, the solenoid valve is included for replacement and the price is lower.
Advantages:
- Retains the original control unit, therefore very easy installation
- 100% tight even at high boost pressures (faultless up to 2.5 bar)
- Replaces the plastic parts of the original valve with metal parts for more reliability and durability on performance-enhanced vehicles.
- Due to the continued electrical control, a fast response is still guaranteed even at high boost pressures
- Noticeably more power and torque
- Made of Aluminum (housing) or brass (piston): more reliability and durability for performance-enhanced vehicles
- Faster boost pressure build-up compared to an original SUV
- Plug & Play: easy installation within 10-15 minutes, as the original control unit is retained
This valve can only be used in conjunction with the original solenoid valve unit. The following picture illustrates the installation position of the DV+ together with the control unit of the original solenoid valve:
Fit: