【FITMENT】Compatible with AUDI A4 L4-2.0L 2009 BWT Engine, A4 L4-2.0L 2005-2008, A4 QUATTRO L4-2.0L 2009 BWT Engine,A4 QUATTRO L4-2.0L 2005-2008
【PREMIUM PERFORMANCE】Double laser-welded stainless steel body with advanced technology provides high-precision measurement of oxygen partial pressure, precise control of air-fuel ratio and optimized engine performance.