When doing replacement or upgrading on 2011 – 2016 Honda CR-Z with capsule halogen headlamps HID, the bulb size guide is necessary for you to take the reference.
Jump to corresponding car model with the catalog bellow.

Low Beam Headlight 2011 – 2016 H11
High Beam Headlight 2011 – 2016 9005
Front Fog Light 2013 – 2016 H8
2011 – 2012 H8/H11/H16
Back Up Light 2011 – 2016 921
Daytime Running Light 2011 – 2016 9005
Dome Light 2011 – 2012 DE3175
Front Side Marker 2011 – 2016 7444NA
Front Turn Signal 2011 – 2016 7443NA
License Plate 2011 – 2016 12961
Parking Light 2013 – 2016 7443NA
2011 – 2012 7444NA
Rear Side Marker 2011 – 2016 168
Rear Turn Signal 2011 – 2016 7440NA
Luggage Compartment 2013 – 2016 158
2011 – 2012 168
Glove Box 2013 – 2016 74
Interior Door 2011 – 2016 194
Map Light 2011 – 2012 DE3175
Low Beam Headlight 2011 – 2016 D4S
High Beam Headlight 2011 – 2016 9005
Front Fog Light 2013 – 2016 H8
2011 – 2012 H8/H11/H16
Back Up Light 2011 – 2016 921
Daytime Running Light 2011 – 2012 9005
Dome Light 2011 – 2012 DE3175
Front Side Marker 2013 – 2016 7443NA
2011 – 2012 7444NA
Front Turn Signal 2011 – 2012 7443NA
2013 – 2016 7444NA
License Plate 2011 – 2016 12961
Parking Light 2013 – 2016 7443NA
2011 – 2012 7444NA
Rear Side Marker 2011 – 2016 168
Rear Turn Signal 2011 – 2016 7440NA
Luggage Compartment 2013 – 2016 158
2011 – 2012 168
Glove Box 2013 – 2016 74
Interior Door 2011 – 2016 194
Map Light 2011 – 2012 DE3175