When doing replacement or upgrading on 1999 – 2018 Lexus RX300 RX330 RX350 RX400h RX450h capsule halogen headlamps HID LED 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 1999 – 2000 9006
High Beam Headlight 1999 – 2000 9005
Front Fog Light 1999 – 2000 9006
Back Up Light 1999 – 2000 7440
Brake 1999 – 2000 7443
Dome Light 1999 – 2000 DE3175
Front Side Marker 1999 – 2000 168
Front Turn Signal 1999 – 2000 7440
License Plate 1999 – 2000 168
Parking Light 1999 – 2000 168
Rear Side Marker 1999 – 2000 168
Rear Turn Signal 1999 – 2000 7440
Tail Light 1999 – 2000 7443
Luggage Compartment 1999 – 2000 DE3175
Center High Mount Stop Light 1999 – 2000 921
Glove Box 1999 – 2000 74
Interior Door 1999 – 2000 194
Low Beam Headlight 2001 – 2003 9006
High Beam Headlight 2001 – 2003 9005
Front Fog Light 2001 – 2003 9006
Back Up Light 2001 – 2003 7440
Brake 2001 – 2003 7443
Dome Light 2001 – 2003 DE3175
Front Side Marker 2001 – 2003 194
Front Turn Signal 2001 – 2003 7440
License Plate 2001 – 2003 168
Parking Light 2001 – 2003 168
Rear Side Marker 2001 – 2003 194
Rear Turn Signal 2001 – 2003 PY21W
Tail Light 2001 – 2003 7443
Luggage Compartment 2001 – 2003 DE3175
Center High Mount Stop Light 2001 – 2003 921
Glove Box 2001 – 2003 74
Interior Door 2001 – 2003 194
Low Beam Headlight 2001 – 2003 D2R
High Beam Headlight 2001 – 2003 9005
Front Fog Light 2001 – 2003 9006
Back Up Light 2001 – 2003 7440
Brake 2001 – 2003 7443
Dome Light 2001 – 2003 DE3175
Front Side Marker 2001 – 2003 194
Front Turn Signal 2001 – 2003 7440
License Plate 2001 – 2003 168
Parking Light 2001 – 2003 168
Rear Side Marker 2001 – 2003 194
Rear Turn Signal 2001 – 2003 PY21W
Tail Light 2001 – 2003 7443
Luggage Compartment 2001 – 2003 DE3175
Center High Mount Stop Light 2001 – 2003 921
Glove Box 2001 – 2003 74
Interior Door 2001 – 2003 194
Low Beam Headlight 2004 – 2006 H11
High Beam Headlight 2004 – 2006 9005
Front Fog Light 2004 – 2006 9006
Back Up Light 2004 – 2006 921
Dome Light 2004 – 2006 578
Front Side Marker 2004 – 2006 168
Front Turn Signal 2004 – 2006 7440NA
License Plate 2004 – 2006 168
Parking Light 2004 – 2006 168
Rear Side Marker 2004 – 2006 194
Rear Turn Signal 2004 – 2006 7440NA
Luggage Compartment 2004 – 2006 DE3022
Glove Box 2004 – 2006 74
Interior Door 2004 – 2006 194
Map Light 2004 – 2006 DE3175
Low Beam Headlight 2004 – 2006 D2S
High Beam Headlight 2004 – 2006 9005
Front Fog Light 2004 – 2006 9006
Back Up Light 2004 – 2006 921
Dome Light 2004 – 2006 578
Front Side Marker 2004 – 2006 194
Front Turn Signal 2004 – 2006 7440NA
License Plate 2004 – 2006 168
Parking Light 2004 – 2006 168
Rear Side Marker 2004 – 2006 194
Rear Turn Signal 2004 – 2006 7440NA
Luggage Compartment 2004 – 2006 DE3022
Glove Box 2004 – 2006 74
Interior Door 2004 – 2006 194
Map Light 2004 – 2006 DE3175
Back Up Light 2016 – 2018 921
Front Side Marker 2016 – 2018 194
Front Turn Signal 2016 – 2018 7444NA
Parking Light 2016 – 2018 7443NA
Rear Turn Signal 2016 – 2018 7440NA
Luggage Compartment 2016 – 2018 194
Interior Door 2016 – 2018 194
Low Beam Headlight 2007 – 2015 H11
High Beam Headlight 2007 – 2015 9005
Front Fog Light 2007 – 2009 9006
2010 – 2015 H8/H11/H16
Back Up Light 2007 – 2015 921
Daytime Running Light 2010 – 2012 9005
Dome Light 2007 – 2009 578
Front Side Marker 2007 – 2012 168
Front Turn Signal 2007 – 2012 7440NA
2013 – 2015 7444NA
License Plate 2007 – 2009 168
Parking Light 2007 – 2012 168
2013 – 2015 7444NA
Rear Side Marker 2010 – 2015 168
2007 – 2009 194
Rear Turn Signal 2007 – 2015 7440NA
Tail Light 2007 – 2015 168
Luggage Compartment 2013 – 2015 DE3022
2007 – 2012 DE3175
Glove Box 2007 – 2009 74
Interior Door 2007 – 2015 194
Map Light 2010 – 2015 168
2007 – 2009 DE3175
Stepwell 2010 – 2015 194
Low Beam Headlight 2007 – 2009 D2S
2010 – 2015 D4S
High Beam Headlight 2007 – 2015 9005
Front Fog Light 2007 – 2009 9006
2010 – 2014 H8/H11/H16
Back Up Light 2007 – 2015 921
Daytime Running Light 2010 – 2012 9005
Dome Light 2007 – 2009 578
Front Side Marker 2007 – 2012 168
Front Turn Signal 2007 – 2012 7440NA
2013 – 2015 7444NA
License Plate 2007 – 2009 168
Parking Light 2007 – 2012 168
2015 7443NA
2013 – 2014 7444NA
Rear Side Marker 2010 – 2015 168
2007 – 2009 194
Rear Turn Signal 2007 – 2015 7440NA
Tail Light 2007 – 2015 168
Luggage Compartment 2013 – 2015 DE3022
2007 – 2012 DE3175
Glove Box 2007 – 2009 74
Interior Door 2007 – 2015 194
Map Light 2010 – 2014 168
2015 194
2007 – 2009 DE3175
Stepwell 2010 – 2015 194
Low Beam Headlight 2006 – 2008 H11
High Beam Headlight 2006 – 2008 9005
Front Fog Light 2006 – 2008 H8/H11/H16
Back Up Light 2006 – 2008 921
Dome Light 2006 – 2008 DE3175
Front Side Marker 2006 – 2008 194
Front Turn Signal 2006 – 2008 7440NA
License Plate 2006 – 2008 168
Parking Light 2006 – 2008 168
Rear Side Marker 2006 – 2008 194
Rear Turn Signal 2006 – 2008 7440NA
Luggage Compartment 2006 – 2008 DE3022
Glove Box 2006 – 2008 74
Interior Door 2006 – 2008 194
Low Beam Headlight 2006 – 2008 D2S
High Beam Headlight 2006 – 2008 9005
Front Fog Light 2006 – 2008 H8/H11/H16
Back Up Light 2006 – 2008 921
Dome Light 2006 – 2008 DE3175
Front Side Marker 2006 – 2008 194
Front Turn Signal 2006 – 2008 7440NA
License Plate 2006 – 2008 168
Parking Light 2006 – 2008 168
Rear Side Marker 2006 – 2008 194
Rear Turn Signal 2006 – 2008 7440NA
Luggage Compartment 2006 – 2008 DE3022
Glove Box 2006 – 2008 74
Interior Door 2006 – 2008 194
Back Up Light 2016 – 2018 921
Front Side Marker 2016 – 2018 194
Front Turn Signal 2016 – 2018 7444NA
Parking Light 2016 – 2018 7443NA
Rear Turn Signal 2016 – 2018 7440NA
Luggage Compartment 2016 – 2018 194
Interior Door 2016 – 2018 194
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 – 2012 9005
Front Side Marker 2010 – 2012 168
Front Turn Signal 2010 – 2012 7440NA
2013 – 2015 7444NA
Parking Light 2010 – 2012 168
2013 – 2015 7444NA
Rear Side Marker 2010 – 2015 168
Rear Turn Signal 2010 – 2015 7440NA
Tail Light 2010 – 2015 168
Luggage Compartment 2013 – 2015 DE3022
2010 – 2012 DE3175
Interior Door 2010 – 2015 194
Map Light 2010 – 2015 168
Stepwell 2010 – 2015 194
Low Beam Headlight 2010 – 2015 D4S
High Beam Headlight 2010 – 2015 9005
Front Fog Light 2010 – 2014 H8/H11/H16
Back Up Light 2010 – 2015 921
Daytime Running Light 2010 – 2012 9005
Front Side Marker 2010 – 2012 168
Front Turn Signal 2010 – 2012 7440NA
2013 – 2015 7444NA
Parking Light 2010 – 2012 168
2015 7443NA
2013 – 2014 7444NA
Rear Side Marker 2010 – 2015 168
Rear Turn Signal 2010 – 2015 7440NA
Tail Light 2010 – 2015 168
Luggage Compartment 2013 – 2015 DE3022
2010 – 2012 DE3175
Interior Door 2010 – 2015 194
Map Light 2010 – 2014 168
2015 194
Stepwell 2010 – 2015 194
High Beam Headlight 2010 – 2012 9005
2013 – 2014 H9
Front Fog Light 2010 – 2014 H8/H11/H16
Back Up Light 2010 – 2014 921
Daytime Running Light 2010 – 2012 9005
Front Side Marker 2010 – 2012 168
Front Turn Signal 2010 – 2012 3457NA
2013 – 2014 7444NA
Parking Light 2010 – 2012 168
2013 – 2014 7444NA
Rear Side Marker 2010 – 2014 168
Rear Turn Signal 2010 – 2014 7440NA
Tail Light 2010 – 2014 168
Luggage Compartment 2013 – 2014 DE3022
2010 – 2012 DE3175
Interior Door 2010 – 2014 194
Map Light 2010 – 2014 168
Stepwell 2010 – 2014 194