When doing replacement or upgrading on 1990 – 2018 Volkswagen Passat CC (Early (Late capsule halogen headlamps HID Model w/halogen w/HID with, the bulb size guide is necessary for you to take the reference.
Jump to corresponding car model with the catalog bellow.

Low Beam Headlight 1995 – 1997 9006
1998 – 2000, 2012 – 2015 H7
High Beam Headlight 1998 – 2000 9003
1995 – 1997 9005
2012 – 2015 H7
High Beam and Low Beam Headlight 1990 – 1994 9004
Front Fog Light 1998 – 2000 9003
1995 – 1997 H1
2012 – 2015 H8
Back Up Light 1990 – 2000 1156
2012 – 2015 921
Brake 1995 – 1997, 2012 – 2015 1156
1990 – 1994, 1998 – 2000 1157
Daytime Running Light 2012 – 2015 7440
1998 – 2000 H7
Dome Light 2012 – 2015 194
1990 – 2000 578
Front Side Marker 2012 – 2015 12961
Front Turn Signal 2012 – 2015 7440NA
1990 – 1997 P21/5W
License Plate 1990 – 2000, 2012 – 2015 12961
Parking Light 1990 – 2000 1157
2012 – 2015 12961
Rear Turn Signal 1990 – 1997, 2012 – 2013, 2015 1156
1998 – 2000 1157
2014 P21W
Tail Light 1990 – 1994, 1998 – 2000 1157
1995 – 1997 12821
2012 – 2015 12961
Front Inner Turn Signal 1998 – 2000 1157NA
Front Outer Turn Signal 1998 – 2000 12396NA
Center High Mount Stop Light 1990 – 2000 194
Courtesy 1990 – 1994 6411
1995 – 2000 6418
Glove Box 2012 – 2015 12256
1998 – 2000 DE3423
Interior Door 2012 – 2015 194
Map Light 1998 – 2000, 2012 – 2015 12961
1995 – 1997 578
Stepwell 2012 – 2015 12256
Trunk 1998 – 2000, 2012 – 2015 194
1990 – 1997 DE3423
Low Beam Headlight 2001 H7
High Beam Headlight 2001 H7
Front Fog Light 2001 H3-55W
Back Up Light 2001 1156
Brake 2001 P21/4W
Dome Light 2001 DE3423
Front Turn Signal 2001 3457NA
License Plate 2001 12844
Parking Light 2001 3457
Rear Turn Signal 2001 PY21W
Tail Light 2001 P21/4W
Courtesy 2001 6418
Glove Box 2001 DE3175
Map Light 2001 12844
Trunk 2001 194
Low Beam Headlight 2001 D2S
High Beam Headlight 2001 H7
Front Fog Light 2001 H3-55W
Back Up Light 2001 1156
Brake 2001 P21/4W
Dome Light 2001 DE3423
Front Turn Signal 2001 3457NA
License Plate 2001 12844
Parking Light 2001 3457
Rear Turn Signal 2001 PY21W
Tail Light 2001 P21/4W
Courtesy 2001 6418
Glove Box 2001 DE3175
Map Light 2001 12844
Trunk 2001 194
Low Beam Headlight 2001 H7
High Beam Headlight 2001 9003
Front Fog Light 2001 9003
Back Up Light 2001 1156
Brake 2001 1157
Daytime Running Light 2001 H7
Dome Light 2001 578
License Plate 2001 12844
Parking Light 2001 12961
Rear Turn Signal 2001 1157
Tail Light 2001 1157
Front Inner Turn Signal 2001 1157
Front Outer Turn Signal 2001 12396NA
Center High Mount Stop Light 2001 194
Glove Box 2001 DE3423
Map Light 2001 12961
Trunk 2001 DE3423
Low Beam Headlight 2002 – 2010, 2016 – 2018 H7
High Beam Headlight 2002 – 2010 H7
2016 – 2018 H9
Front Fog Light 2006 – 2010 9006
2002 – 2005 H3-55W
2016 – 2018 H8
Back Up Light 2002 – 2010 1156
2016 – 2018 921
Brake 2016 – 2018 7440
2002 – 2005 P21/4W
Daytime Running Light 2007 – 2010 1156
Dome Light 2002 – 2006 578
2007 – 2010 DE3423
Front Side Marker 2002 – 2005 12256
2006 – 2010 12396NA
Front Turn Signal 2002 – 2005 3457NA
2006 – 2010 H21W
2016 – 2018 PWY24WNAHTR
License Plate 2002 – 2006 12844
Parking Light 2006 – 2010 12396NA
2016 – 2018 12961
2002 – 2005 3357NA
Rear Side Marker 2002 – 2005 12256
Rear Turn Signal 2016 – 2018 7440
2002 – 2005 PY21W
Tail Light 2016 – 2018 921
2002 – 2005 P21/4W
Door Mirror Illumination Light 2006 – 2010 194
Glove Box 2006 – 2010, 2016 – 2018 12256
2002 – 2005 12818
Interior Door 2002 – 2010, 2016 – 2018 194
Map Light 2002 – 2010, 2016 – 2018 12961
Rear Reading Light 2016 – 2018 194
2002 – 2005 DE3423
Stepwell 2006 – 2010, 2016 – 2018 12256
Trunk 2007 – 2010, 2016 – 2018 6411
2002 – 2006 DE3423
Low Beam Headlight 2006 – 2010 D1S
2002 – 2005 D2S
High Beam Headlight 2002 – 2010 H7
Front Fog Light 2006 – 2010 9006
2002 – 2005 H3-55W
Back Up Light 2002 – 2010 1156
Brake 2002 – 2005 P21/4W
Daytime Running Light 2007 – 2010 1156
Dome Light 2006 578
2002 – 2005 6411
2007 – 2010 DE3423
Front Side Marker 2002 – 2005 12256
2006 – 2010 12396NA
Front Turn Signal 2002 – 2005 3457NA
2006 – 2010 H21W
License Plate 2002 – 2006 12844
Parking Light 2006 – 2010 12396NA
2002 – 2005 3357NA
Rear Side Marker 2002 – 2005 12256
Rear Turn Signal 2002 – 2005 PY21W
Tail Light 2002 – 2005 P21/4W
Door Mirror Illumination Light 2006 – 2010 194
Glove Box 2006 – 2010 12256
2002 – 2005 12818
Interior Door 2002 – 2010 194
Map Light 2002 – 2010 12961
Rear Reading Light 2002 – 2005 DE3423
Stepwell 2006 – 2010 12256
Trunk 2007 – 2010 6411
2002 – 2006 DE3423
Low Beam Headlight 2009 – 2010 H7
High Beam Headlight 2009 – 2010 H7
Front Fog Light 2009 – 2010 H8/H11/H16
Back Up Light 2009 – 2010 H6W
Brake 2009 – 2010 7440
Dome Light 2009 – 2010 194
Front Side Marker 2009 – 2010 12961
Front Turn Signal 2009 – 2010 H21W
License Plate 2009 – 2010 12844
Parking Light 2009 – 2010 194
Tail Light 2009 – 2010 921
Door Mirror Illumination Light 2009 – 2010 194
Glove Box 2009 – 2010 12256
Interior Door 2009 – 2010 194
Map Light 2009 – 2010 12961
Trunk 2009 – 2010 6411
Low Beam Headlight 2009 – 2010 D1S
High Beam Headlight 2009 – 2010 H7
Front Fog Light 2009 – 2010 H8/H11/H16
Back Up Light 2009 – 2010 H6W
Brake 2009 – 2010 7440
Dome Light 2009 – 2010 194
Front Side Marker 2009 – 2010 12961
Front Turn Signal 2009 – 2010 H21W
License Plate 2009 – 2010 12844
Parking Light 2009 – 2010 194
Tail Light 2009 – 2010 921
Door Mirror Illumination Light 2009 – 2010 194
Glove Box 2009 – 2010 12256
Interior Door 2009 – 2010 194
Map Light 2009 – 2010 12961
Trunk 2009 – 2010 6411