034Motorsport Silicone Breather Hose Kit, B5 Audi S4 & C5 Audi A6 2.7T, Spider Hose Replacement
This silicone kit replaces the problematic factory spider breather hose assembly on the 2.7T B5 Audi S4 and the C5 Audi A6 and Allroad with the APB engine. It is made from high-quality automotive silicone in a modular layout that works with all three versions of the B5 S4 breather system and can easily accommodate an aftermarket oil catch can. The kit includes the main breather hose, early and late check valve and PRV hoses, 034Motorsport's billet PCV check valve and a complete set of hose clamps for straightforward clamp-on installation. It does not fit cars equipped with factory secondary air injection (SAI).
Features
- Replaces the factory spider breather hose assembly
- High-quality automotive silicone
- Suits all three B5 S4 breather system versions
- Modular design allows a catch can
- Billet PCV check valve included
- Complete hose clamp kit, clamp-on installation
Specifications
- Brand: 034Motorsport
- Product Type: Breather Hose Kit
- Material: Automotive silicone
- Includes: Main breather hose, early and late check valve hoses, early and late PRV hoses, 034Motorsport billet PCV check valve, hose clamp kit
- Engine: 2.7T (APB)
- Not Suitable For: Cars with factory secondary air injection (SAI)
- Part Number: 034-101-3071
Vehicle Compatibility: 3 applications across 1 make. Select a make to view.
Audi (3)
| Model | Variant | Engine | Years | Notes |
|---|---|---|---|---|
| S4 | B5 | 2.7T | 2000-2002 | Not with factory SAI |
| A6 | C5 | 2.7T | 1999-2003 | APB engine code only; not with factory SAI |
| Allroad | C5 | 2.7T | 2001-2003 | APB engine code only; not with factory SAI |
Please confirm fitment against your vehicle before ordering. Contact us if you need help selecting the right part.