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- Breather Hose, B6 Audi A4 1.8T, AWM, PRV Elbow, Silicone, Replaces 06B 103 221G
034Motorsport's high-quality silicone PRV (Pressure Regulating Valve) Elbow for B6 1.8T. The factory hose is a very common point of failure, and almost always rips when removing the stock PRV. Constructed from 4-ply high-temperature automotive grade silicone, will not crumble apart or rip like the factory rubber hose.
- B6 (2002-2005) Audi A4 1.8T - AMB Engine Codes
- 06B 103 221G / 06B103221G