034Motorsport Breather Hose, B5/B6 1.8T, AEB/ATW/AWM/Early-AMB, Block to Intake Manifold, Silicone



Part# 034-101-3024

In Stock Direct Ship

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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.


  • 1997-1999.5 B5 Audi A4 1.8T with AEB engine code. Automatic transmission only.
  • 1997-2001 B5 Audi A4 1.8T with ATW and AWM engine codes.
  • 2002-2003 B6 Audi A4 1.8T with AMB engine code through early 2003 and up to VIN 8E-3-040000.
  • 1997-2003 B5/B5.5 Volkswagen Passat 1.8T with AEB, ATW, and AWM engine codes through early 2003 and up to VIN 8E-3-040000.

Replaces OEM part number 058 103 221E.

Available in black only.

Hose clamps included!

We now offer an upgrade to the 034Motorsport Billet PCV Check Valve along with this hose. Click the link to add it to your shopping cart.

Founded in 2005, 034 Motorsport is driven by the passion to bring motorsport-quality performance products and tuning to your Audi and Volkswagen vehicles.

⚠️CALIFORNIA WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

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