Key Features / Product Warranty
Fully reinforced silicone breather hose is designed to replace the crumbling, leaking OEM rubber part. Prevent boost leaks and replace a common failure point with this durable, performance engineered part made from high-quality automotive silicone. This hose runs from the bottom of the intake manifold to the check valve attached to the lower block breather hose.
- 058 103 221A 058103221A
Available in black only.
Hose clamps included!
- 1997 - 1999.5 Audi A4 (B5)
- 1.8T - AEB - Manual Transmission
We now offer an upgrade to the 034Motorsport Billet PCV Check Valve along with this hose. Please select option below.