034 Motorsport Australia - Breather Hose, AAN & 2.7T Check Valve Inlet Hose, Silicone - 034-101-3047 Replace the crumbling, leaky factory check valve inlet hose with our new reinforced silicone hose, a direct fit for OEM that will literally last as long as you own the car. Replaces OEM part number 034 103 247G. Fitment: B5 (2000-2002) Audi S4 2.7T C4 (1992-1994) Audi S4 2.2T C4 (1994-1997) Audi S6 2.2T C5 (1998-2001) Audi A6 2.7T (APB Engine Code Only) C5 (2003-2004) Audi RS6 4.2T Available in black only. Hose clamps included! Please Note: We updated this product in 2013 by increasing the OD to better fit over the check valve body. The current product we stock and ship is a perfect fit. We recommend upgrading the stock plastic check valve to the 034Motorsport Billet PCV Check Valve when purchasing this hose.