Audi VW Supercharger Coolant Bleeder Screw - Genuine Audi VW 06E127535B

Product Information

A Supercharger Heat Exchanger is a critical component of a forced induction cooling system, designed to reduce the temperature of compressed air generated by a supercharger. Functioning similarly to a radiator, it circulates coolant through the intercooling system to dissipate heat and maintain optimal intake air temperatures.

By lowering the temperature of the air entering the engine, the heat exchanger improves combustion efficiency, increases power output, and helps protect engine components from heat-related stress. It is commonly used in performance and high-output applications where managing intake air temperature is essential for consistent performance.

• Loss of engine power – Higher intake air temperatures reduce performance.
• Heat soak – System becomes less effective during extended or repeated acceleration.
• Elevated intake air temperatures (IATs) – Detected by engine sensors and diagnostics.
• Engine knocking or detonation – Caused by excessive heat in the combustion chamber.
• Coolant leaks – Cracks, corrosion, or damaged fittings in the exchanger.
• Overheating under boost – Reduced cooling efficiency during high load conditions.
• Check engine light – Triggered by temperature or performance-related faults.
• Reduced fuel efficiency – Inefficient combustion due to hotter intake air.

About Genuine VW Audi

The Volkswagen Group, also known as “VAG”, consists of Volkswagen, Audi, Lamborghini, Bentley, Bugatti, Porsche, Ducati, MAN, Scania, SEAT, and Skoda. The original parts used by VAG to build your car are available as replacement parts under the “Genuine VAG” brand. Manufactured under the direction of VAG, expect excellent quality and a premium price since these parts are available exclusively through the VAG Dealership network.

You may not realize this, but the parts that make up your VAG are not necessarily manufactured by VAG. No cause for concern, as VAG designs the part, hires a manufacturer, and ensures its quality to you. In fact, many of these manufacturers have been making parts for VAG for decades. In our industry these manufacturers are called OEM (Original Equipment Manufacturers), and these are often brands you recognize, including Lemforder, ZF, Sachs, Bosch, Valeo, Zimmermann, Siemens VDO, Corteco, and more. Don’t be surprised to open that Genuine VAG parts box and find an OEM branded part inside, simply with the addition of a VAG logo.

Be sure to keep an eye out for OE tags on our product pages to quickly identify parts coming direct from OE manufacturers. That extra bit of insight could save you some serious money while shopping! Refer to our OE Academy for further information regarding the OE/OEM tags throughout the site.