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 Headlight1999 – 2000 9006
High Beam Headlight1999 – 2000 9005
Front Fog Light1999 – 2000 9006
Back Up Light1999 – 2000 7440
Brake1999 – 2000 7443
Dome Light1999 – 2000 DE3175
Front Side Marker1999 – 2000 168
Front Turn Signal1999 – 2000 7440
License Plate1999 – 2000 168
Parking Light1999 – 2000 168
Rear Side Marker1999 – 2000 168
Rear Turn Signal1999 – 2000 7440
Tail Light1999 – 2000 7443
Luggage Compartment1999 – 2000 DE3175
Center High Mount Stop Light1999 – 2000 921
Glove Box1999 – 2000 74
Interior Door1999 – 2000 194
Low Beam Headlight2001 – 2003 9006
High Beam Headlight2001 – 2003 9005
Front Fog Light2001 – 2003 9006
Back Up Light2001 – 2003 7440
Brake2001 – 2003 7443
Dome Light2001 – 2003 DE3175
Front Side Marker2001 – 2003 194
Front Turn Signal2001 – 2003 7440
License Plate2001 – 2003 168
Parking Light2001 – 2003 168
Rear Side Marker2001 – 2003 194
Rear Turn Signal2001 – 2003 PY21W
Tail Light2001 – 2003 7443
Luggage Compartment2001 – 2003 DE3175
Center High Mount Stop Light2001 – 2003 921
Glove Box2001 – 2003 74
Interior Door2001 – 2003 194
Low Beam Headlight2001 – 2003 D2R
High Beam Headlight2001 – 2003 9005
Front Fog Light2001 – 2003 9006
Back Up Light2001 – 2003 7440
Brake2001 – 2003 7443
Dome Light2001 – 2003 DE3175
Front Side Marker2001 – 2003 194
Front Turn Signal2001 – 2003 7440
License Plate2001 – 2003 168
Parking Light2001 – 2003 168
Rear Side Marker2001 – 2003 194
Rear Turn Signal2001 – 2003 PY21W
Tail Light2001 – 2003 7443
Luggage Compartment2001 – 2003 DE3175
Center High Mount Stop Light2001 – 2003 921
Glove Box2001 – 2003 74
Interior Door2001 – 2003 194
Low Beam Headlight2004 – 2006 H11
High Beam Headlight2004 – 2006 9005
Front Fog Light2004 – 2006 9006
Back Up Light2004 – 2006 921
Dome Light2004 – 2006 578
Front Side Marker2004 – 2006 168
Front Turn Signal2004 – 2006 7440NA
License Plate2004 – 2006 168
Parking Light2004 – 2006 168
Rear Side Marker2004 – 2006 194
Rear Turn Signal2004 – 2006 7440NA
Luggage Compartment2004 – 2006 DE3022
Glove Box2004 – 2006 74
Interior Door2004 – 2006 194
Map Light2004 – 2006 DE3175
Low Beam Headlight2004 – 2006 D2S
High Beam Headlight2004 – 2006 9005
Front Fog Light2004 – 2006 9006
Back Up Light2004 – 2006 921
Dome Light2004 – 2006 578
Front Side Marker2004 – 2006 194
Front Turn Signal2004 – 2006 7440NA
License Plate2004 – 2006 168
Parking Light2004 – 2006 168
Rear Side Marker2004 – 2006 194
Rear Turn Signal2004 – 2006 7440NA
Luggage Compartment2004 – 2006 DE3022
Glove Box2004 – 2006 74
Interior Door2004 – 2006 194
Map Light2004 – 2006 DE3175
Back Up Light2016 – 2018 921
Front Side Marker2016 – 2018 194
Front Turn Signal2016 – 2018 7444NA
Parking Light2016 – 2018 7443NA
Rear Turn Signal2016 – 2018 7440NA
Luggage Compartment2016 – 2018 194
Interior Door2016 – 2018 194
Low Beam Headlight2007 – 2015 H11
High Beam Headlight2007 – 2015 9005
Front Fog Light2007 – 2009 9006
2010 – 2015 H8/H11/H16
Back Up Light2007 – 2015 921
Daytime Running Light2010 – 2012 9005
Dome Light2007 – 2009 578
Front Side Marker2007 – 2012 168
Front Turn Signal2007 – 2012 7440NA
2013 – 2015 7444NA
License Plate2007 – 2009 168
Parking Light2007 – 2012 168
2013 – 2015 7444NA
Rear Side Marker2010 – 2015 168
2007 – 2009 194
Rear Turn Signal2007 – 2015 7440NA
Tail Light2007 – 2015 168
Luggage Compartment2013 – 2015 DE3022
2007 – 2012 DE3175
Glove Box2007 – 2009 74
Interior Door2007 – 2015 194
Map Light2010 – 2015 168
2007 – 2009 DE3175
Stepwell2010 – 2015 194
Low Beam Headlight2007 – 2009 D2S
2010 – 2015 D4S
High Beam Headlight2007 – 2015 9005
Front Fog Light2007 – 2009 9006
2010 – 2014 H8/H11/H16
Back Up Light2007 – 2015 921
Daytime Running Light2010 – 2012 9005
Dome Light2007 – 2009 578
Front Side Marker2007 – 2012 168
Front Turn Signal2007 – 2012 7440NA
2013 – 2015 7444NA
License Plate2007 – 2009 168
Parking Light2007 – 2012 168
2015 7443NA
2013 – 2014 7444NA
Rear Side Marker2010 – 2015 168
2007 – 2009 194
Rear Turn Signal2007 – 2015 7440NA
Tail Light2007 – 2015 168
Luggage Compartment2013 – 2015 DE3022
2007 – 2012 DE3175
Glove Box2007 – 2009 74
Interior Door2007 – 2015 194
Map Light2010 – 2014 168
2015 194
2007 – 2009 DE3175
Stepwell2010 – 2015 194
Low Beam Headlight2006 – 2008 H11
High Beam Headlight2006 – 2008 9005
Front Fog Light2006 – 2008 H8/H11/H16
Back Up Light2006 – 2008 921
Dome Light2006 – 2008 DE3175
Front Side Marker2006 – 2008 194
Front Turn Signal2006 – 2008 7440NA
License Plate2006 – 2008 168
Parking Light2006 – 2008 168
Rear Side Marker2006 – 2008 194
Rear Turn Signal2006 – 2008 7440NA
Luggage Compartment2006 – 2008 DE3022
Glove Box2006 – 2008 74
Interior Door2006 – 2008 194
Low Beam Headlight2006 – 2008 D2S
High Beam Headlight2006 – 2008 9005
Front Fog Light2006 – 2008 H8/H11/H16
Back Up Light2006 – 2008 921
Dome Light2006 – 2008 DE3175
Front Side Marker2006 – 2008 194
Front Turn Signal2006 – 2008 7440NA
License Plate2006 – 2008 168
Parking Light2006 – 2008 168
Rear Side Marker2006 – 2008 194
Rear Turn Signal2006 – 2008 7440NA
Luggage Compartment2006 – 2008 DE3022
Glove Box2006 – 2008 74
Interior Door2006 – 2008 194
Back Up Light2016 – 2018 921
Front Side Marker2016 – 2018 194
Front Turn Signal2016 – 2018 7444NA
Parking Light2016 – 2018 7443NA
Rear Turn Signal2016 – 2018 7440NA
Luggage Compartment2016 – 2018 194
Interior Door2016 – 2018 194
Low Beam Headlight2010 – 2015 H11
High Beam Headlight2010 – 2015 9005
Front Fog Light2010 – 2015 H8/H11/H16
Back Up Light2010 – 2015 921
Daytime Running Light2010 – 2012 9005
Front Side Marker2010 – 2012 168
Front Turn Signal2010 – 2012 7440NA
2013 – 2015 7444NA
Parking Light2010 – 2012 168
2013 – 2015 7444NA
Rear Side Marker2010 – 2015 168
Rear Turn Signal2010 – 2015 7440NA
Tail Light2010 – 2015 168
Luggage Compartment2013 – 2015 DE3022
2010 – 2012 DE3175
Interior Door2010 – 2015 194
Map Light2010 – 2015 168
Stepwell2010 – 2015 194
Low Beam Headlight2010 – 2015 D4S
High Beam Headlight2010 – 2015 9005
Front Fog Light2010 – 2014 H8/H11/H16
Back Up Light2010 – 2015 921
Daytime Running Light2010 – 2012 9005
Front Side Marker2010 – 2012 168
Front Turn Signal2010 – 2012 7440NA
2013 – 2015 7444NA
Parking Light2010 – 2012 168
2015 7443NA
2013 – 2014 7444NA
Rear Side Marker2010 – 2015 168
Rear Turn Signal2010 – 2015 7440NA
Tail Light2010 – 2015 168
Luggage Compartment2013 – 2015 DE3022
2010 – 2012 DE3175
Interior Door2010 – 2015 194
Map Light2010 – 2014 168
2015 194
Stepwell2010 – 2015 194
High Beam Headlight2010 – 2012 9005
2013 – 2014 H9
Front Fog Light2010 – 2014 H8/H11/H16
Back Up Light2010 – 2014 921
Daytime Running Light2010 – 2012 9005
Front Side Marker2010 – 2012 168
Front Turn Signal2010 – 2012 3457NA
2013 – 2014 7444NA
Parking Light2010 – 2012 168
2013 – 2014 7444NA
Rear Side Marker2010 – 2014 168
Rear Turn Signal2010 – 2014 7440NA
Tail Light2010 – 2014 168
Luggage Compartment2013 – 2014 DE3022
2010 – 2012 DE3175
Interior Door2010 – 2014 194
Map Light2010 – 2014 168
Stepwell2010 – 2014 194