2-button remote transmitter compatible with Audi

1997 - 2000 A3
1998 - 2001 A4 / A4 Quattro
1998 - 2001 A6 / A6 Quattro
2001 - 2002 RS4

2-button remote transmitter compatible with Audi

1999 - 2003 A3
1999 - 2001 A4 / A4 Quattro
1998 - 2004 A6 / A6 Quattro
2000 - 2005 A6 allroad
2000 - 2002 RS4
1998 - 2002 TT

2-button remote transmitter compatible with Audi

1999 - 2003 A3
1999 - 2001 A4 / A4 Quattro
1998 - 2004 A6 / A6 Quattro
2000 - 2005 A6 allroad
2000 - 2002 RS4
1998 - 2002 TT

Remote control transmitter compatible with Audi A6 RS6 TT

Audi A6 (2002 - 2005)
Audi A6 Allroad (2002 - 2005)
Audi RS6 (2003 - 2006)
Audi TT (2003 - 2006)

Compatible equivalent reference:

4D0837231K

3-button remote transmitter compatible with Audi

Audi A4 (2004 - 2008)

Reference: 8E0837220Q, 8E0837220K, 8E0837220D

Remote control with compatible circuit

Audi A3 (2005-2013)
Audi TT (2006-2013)

Equivalent reference: 8P0837220D

Adaptable 3-button transmitter remote control

Audi A4 (11/2008 to 02/2016)
Audi A5 (02/2007 to 01/2017)
Audi Q5 (05/2008 to 05/2017)

Compatible equivalent reference:

8K0959754H - 8T0959754D

Compatible transmitter remote control

Audi A1 (2010-2018)

Audi Q3 (2011-2019)

Equivalent compatible part number: 8X0837220D