When doing replacement or upgrading on 2001 – 2018 Lexus IS300 F IS IS200t IS250 IS350 Turbo Base C F Sport Sportcross capsule halogen headlamps 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 2008 – 2014 D4S
High Beam Headlight 2008 – 2014 9005
Front Fog Light 2008 – 2013 H8/H11/H16
Back Up Light 2008 – 2014 921
Dome Light 2008 – 2014 DE3175
Front Turn Signal 2008 – 2014 7440NA
Parking Light 2008 – 2014 168
Rear Turn Signal 2008 – 2014 7440NA
Courtesy 2008 – 2014 194
Interior Door 2008 – 2014 194
Map Light 2008 – 2014 194
Trunk 2008 – 2014 DE3175
Front Turn Signal 2017 7444NA
Rear Turn Signal 2017 7440NA
Interior Door 2017 194
Stepwell 2017 194
Trunk 2017 194
High Beam and Low Beam Headlight 2016 D4S
Back Up Light 2016 921
Front Turn Signal 2016 7444NA
Parking Light 2016 7443NA
Rear Turn Signal 2016 7440NA
Interior Door 2016 194
Stepwell 2016 194
Trunk 2016 168
Low Beam Headlight 2006 – 2009 H11
High Beam Headlight 2006 – 2009 9005
Front Fog Light 2006 – 2009 9006
Back Up Light 2006 – 2009 921
Dome Light 2006 – 2008 12818
2009 DE3175
Front Side Marker 2006 – 2009 194
Front Turn Signal 2006 – 2009 7440NA
License Plate 2006 – 2008 168
Parking Light 2006 – 2008 168
2009 194
Rear Side Marker 2006 – 2009 194
Rear Turn Signal 2006 – 2009 7440
Courtesy 2006 – 2009 194
Glove Box 2006 – 2009 37
Interior Door 2006 – 2009 194
Map Light 2006 – 2008 168
2009 194
Trunk 2009 DE3022
2006 – 2008 DE3175
Low Beam Headlight 2006 – 2009 D4S
High Beam Headlight 2006 – 2009 9005
Front Fog Light 2006 – 2009 9006
Back Up Light 2006 – 2009 921
Dome Light 2006 – 2008 12818
2009 DE3175
Front Side Marker 2006 – 2009 194
Front Turn Signal 2006 – 2009 7440NA
License Plate 2006 – 2008 168
Parking Light 2006 – 2008 168
2009 194
Rear Side Marker 2006 – 2009 194
Rear Turn Signal 2006 – 2009 7440
Courtesy 2006 – 2009 194
Glove Box 2006 – 2009 37
Interior Door 2006 – 2009 194
Map Light 2006 – 2008 168
2009 194
Trunk 2006 – 2009 DE3175
Low Beam Headlight 2010 – 2013 H11
High Beam Headlight 2010 – 2013 9005
Front Fog Light 2010 9006
2011 – 2013 H8/H11/H16
Back Up Light 2010 – 2013 921
Daytime Running Light 2011 – 2013 9005
Dome Light 2010 – 2013 DE3175
Front Side Marker 2010 194
Front Turn Signal 2010 – 2013 7440NA
Parking Light 2011 – 2013 168
2010 194
Rear Side Marker 2010 194
Rear Turn Signal 2010 7440
2011 – 2013 7440NA
Courtesy 2010 – 2013 194
Glove Box 2010 37
Interior Door 2010 – 2013 194
Map Light 2010 – 2013 194
Trunk 2010 – 2013 DE3022
Low Beam Headlight 2010 – 2013 D4S
High Beam Headlight 2010 – 2013 9005
High Beam and Low Beam Headlight 2014 – 2015 D4S
Front Fog Light 2010 9006
2011 – 2014 H8/H11/H16
Back Up Light 2010 – 2015 921
Dome Light 2010 – 2013 DE3175
Front Side Marker 2010 194
Front Turn Signal 2010 – 2013 7440NA
2014 – 2015 7444NA
Parking Light 2010 194
2014 – 2015 7443NA
Rear Side Marker 2010 194
Rear Turn Signal 2010 7440
2011 – 2015 7440NA
Courtesy 2010 – 2013 194
Glove Box 2010 37
Interior Door 2010 – 2015 194
Map Light 2010 – 2013 194
Stepwell 2014 – 2015 194
Trunk 2014 – 2015 168
2010 – 2013 DE3175
Low Beam Headlight 2010 – 2015 H11
High Beam Headlight 2010 – 2015 9005
Front Fog Light 2010 – 2015 H8/H11/H16
Back Up Light 2010 – 2015 921
Daytime Running Light 2010 – 2015 9005
Front Turn Signal 2010 – 2015 7440NA
Parking Light 2010 – 2015 168
Rear Turn Signal 2010 – 2015 7440NA
Interior Door 2010 – 2015 194
Map Light 2010 – 2015 168
Trunk 2010 – 2015 DE3175
Low Beam Headlight 2010 – 2015 D4S
High Beam Headlight 2010 – 2015 9005
Front Fog Light 2010 – 2015 H8/H11/H16
Back Up Light 2010 – 2015 921
Front Turn Signal 2010 – 2015 7440NA
Rear Turn Signal 2010 – 2015 7440NA
Interior Door 2010 – 2015 194
Map Light 2010 – 2015 168
Trunk 2010 – 2015 DE3175
Low Beam Headlight 2014 – 2015 H11
High Beam Headlight 2014 – 2015 9005
Front Fog Light 2014 – 2015 H8/H11/H16
Back Up Light 2014 – 2015 921
Daytime Running Light 2014 – 2015 9005
Front Turn Signal 2014 – 2015 7440NA
Parking Light 2014 – 2015 168
Rear Turn Signal 2014 – 2015 7440NA
Interior Door 2014 – 2015 194
Map Light 2014 – 2015 168
Trunk 2014 – 2015 DE3175
Low Beam Headlight 2014 – 2015 D4S
High Beam Headlight 2014 – 2015 9005
Front Fog Light 2014 – 2015 H8/H11/H16
Back Up Light 2014 – 2015 921
Front Turn Signal 2014 – 2015 7440NA
Rear Turn Signal 2014 – 2015 7440NA
Interior Door 2014 – 2015 194
Map Light 2014 – 2015 168
Trunk 2014 – 2015 DE3175
High Beam and Low Beam Headlight 2014 – 2015 D4S
Front Fog Light 2014 H8/H11/H16
Back Up Light 2014 – 2015 921
Front Turn Signal 2014 – 2015 7444NA
Parking Light 2014 – 2015 7443NA
Rear Turn Signal 2014 – 2015 7440NA
Interior Door 2014 – 2015 194
Stepwell 2014 – 2015 194
Trunk 2014 – 2015 168
Low Beam Headlight 2001 D2R
High Beam Headlight 2001 9005
Front Fog Light 2001 9006
Back Up Light 2001 7440
Brake 2001 7443
Dome Light 2001 DE3175
Front Side Marker 2001 194
Front Turn Signal 2001 7440NA
2017 – 2018 7444NA
License Plate 2001 168
Parking Light 2001 168
Rear Side Marker 2001 168
Rear Turn Signal 2017 – 2018 7440NA
2001 PY21W
Tail Light 2001 7443
Center High Mount Stop Light 2001 921
Courtesy 2001 DE3175
Glove Box 2001 74
Interior Door 2001, 2017 – 2018 194
Stepwell 2017 – 2018 194
Trunk 2001, 2017 – 2018 194
High Beam and Low Beam Headlight 2016 D4S
Back Up Light 2016 921
Front Turn Signal 2016 7444NA
Parking Light 2016 7443NA
Rear Turn Signal 2016 7440NA
Interior Door 2016 194
Stepwell 2016 194
Trunk 2016 168
Low Beam Headlight 2002 – 2005 D2R
High Beam Headlight 2002 – 2005 9005
Front Fog Light 2002 9006
2003 – 2005 H3-55W
Back Up Light 2002 – 2005 7440
Brake 2002 – 2005 7443
Dome Light 2002 – 2005 DE3175
Front Side Marker 2002 – 2005 194
Front Turn Signal 2002 – 2005 7440NA
License Plate 2002 – 2005 168
Parking Light 2002 – 2005 168
Rear Side Marker 2002 – 2005 194
Rear Turn Signal 2002 – 2005 PY21W
Tail Light 2002 – 2005 7443
Center High Mount Stop Light 2002 – 2005 921
Courtesy 2002 – 2005 DE3175
Glove Box 2002 – 2005 74
Interior Door 2002 – 2005 194
Trunk 2002 – 2005 194
Low Beam Headlight 2002 – 2005 D2R
High Beam Headlight 2002 – 2005 9005
Front Fog Light 2002 9006
2003 – 2005 H3-55W
Back Up Light 2002 – 2005 921
Brake 2002 – 2005 7443
Dome Light 2002 – 2005 DE3175
Front Side Marker 2002 – 2005 194
Front Turn Signal 2002 – 2005 7440NA
License Plate 2002 – 2005 168
Parking Light 2002 – 2005 168
Rear Side Marker 2002 – 2005 194
Rear Turn Signal 2002 – 2005 7440NA
Tail Light 2002 – 2005 7443
Courtesy 2002 – 2005 DE3175
Glove Box 2002 – 2005 74
Interior Door 2002 – 2005 194
Trunk 2002 – 2005 DE3175
Front Turn Signal 2017 – 2018 7444NA
Rear Turn Signal 2017 – 2018 7440NA
Interior Door 2017 – 2018 194
Stepwell 2017 – 2018 194
Trunk 2017 – 2018 194
Low Beam Headlight 2006 – 2009 H11
High Beam Headlight 2006 – 2009 9005
Front Fog Light 2006 – 2009 9006
Back Up Light 2006 – 2009 921
Dome Light 2006 – 2008 12818
2009 DE3175
Front Side Marker 2006 – 2009 194
Front Turn Signal 2006 – 2009 7440NA
License Plate 2006 – 2008 168
Parking Light 2006 – 2008 168
2009 194
Rear Side Marker 2006 – 2009 194
Rear Turn Signal 2006 – 2009 7440
Courtesy 2006 – 2009 194
Glove Box 2006 – 2009 37
Interior Door 2006 – 2009 194
Map Light 2006 – 2008 168
2009 194
Trunk 2009 DE3022
2006 – 2008 DE3175
Low Beam Headlight 2006 – 2009 D4S
High Beam Headlight 2006 – 2009 9005
High Beam and Low Beam Headlight 2016 D4S
Front Fog Light 2006 – 2009 9006
Back Up Light 2006 – 2009, 2016 921
Dome Light 2006 – 2008 12818
2009 DE3175
Front Side Marker 2006 – 2009 194
Front Turn Signal 2006 – 2009 7440NA
2016 7444NA
License Plate 2006 – 2008 168
Parking Light 2006 – 2008 168
2009 194
2016 7443NA
Rear Side Marker 2006 – 2009 194
Rear Turn Signal 2006 – 2009 7440
2016 7440NA
Courtesy 2006 – 2009 194
Glove Box 2006 – 2009 37
Interior Door 2006 – 2009, 2016 194
Map Light 2006 – 2008 168
2009 194
Stepwell 2016 194
Trunk 2016 168
2006 – 2009 DE3175
Low Beam Headlight 2010 – 2013 H11
High Beam Headlight 2010 – 2013 9005
Front Fog Light 2010 9006
2011 – 2013 H8/H11/H16
Back Up Light 2010 – 2013 921
Daytime Running Light 2011 – 2013 9005
Dome Light 2010 – 2013 DE3175
Front Side Marker 2010 194
Front Turn Signal 2010 – 2013 7440NA
Parking Light 2011 – 2013 168
2010 194
Rear Side Marker 2010 194
Rear Turn Signal 2010 7440
2011 – 2013 7440NA
Courtesy 2010 – 2013 194
Glove Box 2010 37
Interior Door 2010 – 2013 194
Map Light 2010 – 2013 194
Trunk 2010 – 2013 DE3022
Low Beam Headlight 2010 – 2013 D4S
High Beam Headlight 2010 – 2013 9005
High Beam and Low Beam Headlight 2014 – 2015 D4S
Front Fog Light 2010 9006
2011 – 2014 H8/H11/H16
Back Up Light 2010 – 2015 921
Dome Light 2010 – 2013 DE3175
Front Side Marker 2010 194
Front Turn Signal 2010 – 2013 7440NA
2014 – 2015 7444NA
Parking Light 2010 194
2014 – 2015 7443NA
Rear Side Marker 2010 194
Rear Turn Signal 2010 7440
2011 – 2015 7440NA
Courtesy 2010 – 2013 194
Glove Box 2010 37
Interior Door 2010 – 2015 194
Map Light 2010 – 2013 194
Stepwell 2014 – 2015 194
Trunk 2014 – 2015 168
2010 – 2013 DE3175
Low Beam Headlight 2010 – 2015 H11
High Beam Headlight 2010 – 2015 9005
Front Fog Light 2010 – 2015 H8/H11/H16
Back Up Light 2010 – 2015 921
Daytime Running Light 2010 – 2015 9005
Front Turn Signal 2010 – 2015 7440NA
Parking Light 2010 – 2015 168
Rear Turn Signal 2010 – 2015 7440NA
Interior Door 2010 – 2015 194
Map Light 2010 – 2015 168
Trunk 2010 – 2015 DE3175
Low Beam Headlight 2010 – 2015 D4S
High Beam Headlight 2010 – 2015 9005
Front Fog Light 2010 – 2015 H8/H11/H16
Back Up Light 2010 – 2015 921
Front Turn Signal 2010 – 2015 7440NA
Rear Turn Signal 2010 – 2015 7440NA
Interior Door 2010 – 2015 194
Map Light 2010 – 2015 168
Trunk 2010 – 2015 DE3175
Low Beam Headlight 2014 – 2015 H11
High Beam Headlight 2014 – 2015 9005
Front Fog Light 2014 – 2015 H8/H11/H16
Back Up Light 2014 – 2015 921
Daytime Running Light 2014 – 2015 9005
Front Turn Signal 2014 – 2015 7440NA
Parking Light 2014 – 2015 168
Rear Turn Signal 2014 – 2015 7440NA
Interior Door 2014 – 2015 194
Map Light 2014 – 2015 168
Trunk 2014 – 2015 DE3175
Low Beam Headlight 2014 – 2015 D4S
High Beam Headlight 2014 – 2015 9005
Front Fog Light 2014 – 2015 H8/H11/H16
Back Up Light 2014 – 2015 921
Front Turn Signal 2014 – 2015 7440NA
Rear Turn Signal 2014 – 2015 7440NA
Interior Door 2014 – 2015 194
Map Light 2014 – 2015 168
Trunk 2014 – 2015 DE3175
High Beam and Low Beam Headlight 2014 – 2015 D4S
Front Fog Light 2014 H8/H11/H16
Back Up Light 2014 – 2015 921
Front Turn Signal 2014 – 2015 7444NA
Parking Light 2014 – 2015 7443NA
Rear Turn Signal 2014 – 2015 7440NA
Interior Door 2014 – 2015 194
Stepwell 2014 – 2015 194
Trunk 2014 – 2015 168