The air charge temperature sensor is a direct replacement for select 1996-2006 Audi, Porsche and Volkswagen applications. It measures the temperature of the air entering the engine so the engine computer can correct fuel delivery and ignition timing.

Walker Products 210-1051 Air Charge Temperature Sensor Features:

• Fits 1997-2006 Audi A4; 1997-2005 Audi A4 Quattro; 1998-2001 Audi A6; 1998-2002 Audi A6 Quattro; 2000-2002 Audi S4; 2000-2006 Audi TT, TT Quattro, Volkswagen Golf
• Fits 2001-2005 Audi Allroad Quattro; 1996-1997 Porsche 911; 1998-2005 Volkswagen Passat; 1999-2003 Volkswagen Beetle; 2000-2003 Volkswagen Jetta
• Engine coverage includes 1.8L I4, 2.7L V6, 2.8L V6, 3.6L H6 applications
• Mounting type: Plug In
• Female square electrical connector with 2 blade terminals
• Mounting hardware not included