German Auto Stuff Silicone Brake Servo Hose for Audi TT Mk1 225 - Studio shot

Audi TT Mk1 225 engine bay with installed German Auto Stuff Silicone Brake Servo Hose

High-temperature silicone replacement brake servo vacuum hose for TT Mk1 225

German Auto Stuff - Silicone Brake Servo Hose - Audi TT Mk1 225 2001-2006

Vendor German Auto Stuff
Part # GAS-SH225BSH

$44.99

~~$48.99~~ Sale $44.99

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Replace the original vacuum hose that connects the intake manifold to the brake servo on your Audi TT Mk1 225 with this high-quality silicone replacement from German Auto Stuff. Built for improved durability and heat resistance, this hose is a reliable upgrade over the stock rubber line.

Designed to follow the factory routing, it provides a clean fit and dependable vacuum delivery under all driving conditions.

Key Features:

Fits Audi TT Mk1 225 (2001-2006)
Replaces factory brake servo vacuum hose
High-temperature silicone for long service life
OEM-style routing and fit
Improved resistance to heat, pressure, and aging

Frequently Asked Questions (FAQ)

Q: What is a brake servo hose and what does it do?
A: The brake servo hose is a vacuum line that connects the intake manifold to the brake servo (also known as a brake booster). It supplies vacuum pressure that assists you when pressing the brake pedal, making braking easier and more effective.

Q: Why should I upgrade from the original rubber hose to a silicone one?
A: Silicone hoses offer superior durability, much higher resistance to extreme temperatures, pressure fluctuations, and degradation from oil and chemicals compared to factory rubber hoses, leading to a longer service life and more consistent performance.

Q: Will this hose fit my Audi TT Mk1 180?
A: This specific silicone brake servo hose is designed for the 1999-2006 Audi TT Mk1 225 models. It may not be compatible with 180hp variants.

Q: Is this hose difficult to install?
A: While it is a direct replacement for the OEM hose, installation difficulty can vary. It's recommended to consult a service manual or a professional if you are unsure.

Q: What are the visible benefits after replacing this hose?
A: While not a cosmetic upgrade, replacing a failing or old brake servo hose ensures consistent vacuum supply, which can lead to a more reliable and responsive brake pedal feel, especially important for safety.

Let customers speak for us

from 16 reviews

Forge intake pipe

Some slight modifications to the car and the cold air heat shield was needed but otherwise it fit great. Can really hear her breath now!

Shea Chris

Forge Motorsport - Silicone Turbo Inlet Hose - TT Mk1 225

07/26/2025

Very nice!

Love my new side markers - very clean looking and unique in how they flash when turning left or right. The only suggestion I’d make is provide instructions for both installing them and for being very careful with the wire once you disconnect the old light housing Left side went in ok, but I lost the right side into the fender black hole which required me to remove the tire and unscrew most of the lining so I could find the wire!

Jon W.

German Auto Stuff - Clear Side Markers - TT Mk1 1999-2006 - Sequential Amber LED

05/16/2025

Much better braking

I was considering just upgrading the brakes altogether, but I decided to try red stuff brake pads first. They are exactly what I needed.

Taylor Bennett

EBC - Redstuff Ceramic Low Dust Brake Pads - Rear - TT Mk1

09/22/2025

Perfect!

Very pleased with the replacement floor mats. Excellent quality. Perfect fit.

John Montgomery

Genuine Audi - Carpeted Floor Mats - Front - Black - TT Mk1

08/30/2025

Beautiful and amazing fuel pump upgrade for my MK1 Audi TT

L.C.

DeatschWerks - High-Flow Fuel Pump - TT quattro Mk1 / Mk2

08/07/2025

Works great

I’m using these in my 8J TT with some Defi gauges. It requires some disassembly of the stock pods to use with these pod adapters, which was the most complicated part of install. Works great. The pod adapters push the gauges out a little further than the photos represent but I found it acceptable.

J

OSIR Design - O-Pod Mono TTMK2 - TT / TTS / TT RS Mk2

07/31/2025

Works great

Have had one of these on my 8J TT RS for a few years now. Works great. Installation takes just a few minutes. I only needed to use one of the three available tap ports; I used blue loctite to help ensure the plugs don’t back out (or fall in).

J

Osir Design - O-TAP B - 1.4 / 2.5 Engines

07/31/2025

I like them!

This product is fantastic! The smoked side markers look incredible, and the sequential leds are a huge upgrade. Installation was a breeze truly plug-and-play and I had them on in minutes without any hassle. They really modernize the car's look. Highly recommend!

Dan C.

German Auto Stuff - Smoked Side Markers - TT Mk1 1999-2006 - Sequential Amber LED

05/28/2025

Perfect Upgrade for My TT Mk1

Totally transformed my 2005 TT Mk1! This German Auto Stuff carbon spoiler looks incredible and was a perfect fit. The quality is outstanding. Installation was quick and easy. My car looks sharp! Highly recommend for any Mk1 owner looking for a premium upgrade!

Dan C.

German Auto Stuff - Carbon Fiber Spoiler - TT Mk1 1999-2006 - Gloss Black

05/27/2025

TT parts

Part worked perfectly and arrived on time. I spoke with them before ordering and they took the time to ensure I was receiving the correct part. I will definitely use them again for parts
John M

John Melnick

Forge Motorsport - Silicone Cam Cover Breather Hose 210 - TT Mk1 225

05/16/2025

Fit perfectly

Josh

Genuine Audi - Coolant Temperature Sensor Retaining Clip - TT Mk1

04/02/2025

German Auto Stuff - Silicone Brake Servo Hose - Audi TT Mk1 225 2001-2006

Customer Reviews

Let customers speak for us