When doing replacement or upgrading on 2006 – 2017 Mazda 5 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 2006 H7
High Beam Headlight 2006 9005
Front Fog Light 2006 H8/H11/H16
Back Up Light 2006 921
Brake 2006 7443
Dome Light 2006 DE3175
Front Side Marker 2006 1157
Front Turn Signal 2006 1157
License Plate 2006 194
Parking Light 2006 1157
Rear Turn Signal 2006 7440NA
Tail Light 2006 7443
Luggage Compartment 2006 DE3175
Map Light 2006 12961
Low Beam Headlight 2012 – 2017 H11
2007 – 2010 H7
High Beam Headlight 2007 – 2010, 2012 – 2017 9005
Front Fog Light 2007 – 2010, 2012 – 2017 H8/H11/H16
Back Up Light 2012 – 2017 7440
2007 – 2010 921
Brake 2007 – 2010, 2012 – 2017 7443
Daytime Running Light 2012 – 2017 9005
Dome Light 2007 – 2010, 2012 – 2017 DE3175
Front Side Marker 2007 – 2010 1157
2012 – 2017 1157NA
Front Turn Signal 2007 – 2010, 2012 – 2017 1157
License Plate 2012 – 2017 12961
2007 – 2010 194
Parking Light 2007 – 2010, 2012 – 2017 1157
Rear Side Marker 2007 – 2010, 2012 – 2017 7443
Rear Turn Signal 2007 – 2010, 2012 – 2017 7440NA
Tail Light 2007 – 2010, 2012 – 2017 7443
Luggage Compartment 2007 – 2010, 2012 – 2017 DE3175
Map Light 2007 – 2010, 2012 – 2017 12961
Low Beam Headlight 2007 – 2010, 2012 – 2017 D2S
High Beam Headlight 2007 – 2010, 2012 – 2017 9005
Front Fog Light 2007 – 2010, 2012 – 2017 H8/H11/H16
Back Up Light 2012 – 2017 7440
2007 – 2010 921
Brake 2012 – 2017 7443
Daytime Running Light 2012 – 2017 9005
Dome Light 2007 – 2010, 2012 – 2017 DE3175
Front Side Marker 2007 – 2010, 2012 – 2017 1157NA
Front Turn Signal 2007 – 2010, 2012 – 2017 1157
License Plate 2012 – 2017 12961
2007 – 2010 194
Parking Light 2007 – 2010, 2012 – 2017 1157
Rear Side Marker 2012 – 2017 7443
Rear Turn Signal 2007 – 2010, 2012 – 2017 7440NA
Tail Light 2012 – 2017 7443
Luggage Compartment 2007 – 2010, 2012 – 2017 DE3175
Map Light 2007 – 2010, 2012 – 2017 12961