This is the HPS Red Silicone Breather+Bypass Valve Hose Kit For 03-06 TT Golf 1.8T AWP MK4, stocked in our warehouse and backed by a free fitment check.

Petroleum contact requires the correct lining, so fuel and oil routing needs the right specification. Keep petroleum away from standard silicone unless the hose is lined for it.
The hps red silicone breather listed here is checked against your vehicle before dispatch.
Every hps red silicone breather order goes through the same fitment review.
Ordering the hps red silicone breather takes a minute and the confirmation reaches you straight away.
Our team knows the hps red silicone breather well, so ask if anything about the specification is unclear.
Stock of the hps red silicone breather is live on this page rather than estimated.
Shops order the hps red silicone breather from us in volume because the data on the page is accurate.
If your build is unusual, tell us and we will confirm the hps red silicone breather against it.
Key details
- Material: Silicone
- Finish: Red
- Category: Hose Kits
- Price: $169.29 with free shipping over $99
- Availability: in stock, dispatched from the USA
Manufacturer specifications
Unlike other breather hose kits on the market, 57-1934 features a specially developed fluoroelastomer layer that is able to withstand prolonged exposure to oil and fuel. HPS oil-resistant fluoroelastomer lined silicone hoses can provide superior resistance to the harshness of gasoline and automotive oils. The fluoroelastomer acts as a protective layer where the fluid flowing through the hose would typically degrade silicone hoses. With the fluoroelastomer liner, we can minimize permeation, evaporation, and degradation of our silicone hose.
HPS fluoroelastomer lined hose has excellent resistance to high temperatures, ozone, oxygen, mineral oil, synthetic hydraulic fluids, fuels, aromatics, and many organic solvents and chemicals. Fluoroelastomer can handle the occasional flow of ethanol based fuels.
- Material: 3-Ply Reinforced Silicone
- Color: Red
- Ideal replacement or upgrade for OEM or aftermarket parts
Breather Hose, Valve Cover (OEM part# 06A103221AN)
Boost Pressure Control Line (OEM part# 06A145712C)
- The premium grade high-heat resistance 3-ply reinforced silicone hoses are made with correct bends and curves to ensure a perfect fitment.
- Prevent and fix the coolant leaking and engine over heating problem caused by cracked, damaged or collapsed OEM rubber hoses. Made with correct bends and curves for perfect fitment.
- Race proven design with long lasting quality and engineered for extremely high temperature service (Max. 350F) and prolonged exposure to under-hood and coolant heat.
- Includes 100% stainless steel industrial grade embossed hose clamps which would not cut through the silicone hose.
Application:
For 2003-2006 Audi TT 1.8T Turbo Late AWP Engine
For 2003-2006 Volkswagen Golf 1.8T Turbo Late AWP Engine (MK4)
For 2004-2005 Volkswagen Jetta 1.8T Turbo Late AWP Engine
Remark:
Installation: Silicone hose water permeation rate is 10 to 15 times greater than standard EPDM rubber hose. Checking water level regularly is highly recommended when silicone coolant hoses are used in a daily driving vehicle.
Product Content:
- 1 Set x Breather + bypass valve (BPV) Hose Kit
Hardware if Any is Shown in the Picture Above
The product does not come with manual/instruction, Professional Install Recommended
Cross Reference Number:
- 57-1934-RED, 571934RED, 06A103221AN, 06A145712C
Shops ordering in volume can send a full parts list and we will verify the whole job in one reply.
More in this department: Hoses & Fittings · HPS Black Silicone Heater Hose Kit For 06+ Lexus GS/IS/RC-Series 2.5L 3.5L V6 · HPS Red Silicone Heater Hose Kit For 99-01 Jeep Cherokee 4.0L (XJ) Right Hand Drive · full catalog
Your order is picked, inspected and packed by a person, then handed to the carrier with tracking the same day.
When you want a second opinion that is not a parts store, read the fuel economy maintenance guidance.
Frequently asked questions
Can you check fitment before I order?
Share your vehicle details with our team and we cross reference this listing before dispatch. Anything doubtful gets a message from us rather than a shipment.
How long does delivery take?
Same business day dispatch applies to orders placed before the early afternoon cutoff, with tracking that updates at every carrier scan.
Can I return this part?
Parts are covered against defects for the period stated on this page, and non defect returns follow our standard returns window.
What happens before my order ships?
Lines and fittings are checked for pressure rating, inner diameter and ply count before shipping.

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