When doing replacement or upgrading on 2007 – 2018 Honda Fit Base DX EX LX Sport, the bulb size guide is necessary for you to take the reference.
Jump to corresponding car model with the catalog bellow.

High Beam and Low Beam Headlight 2007 – 2012, 2015 – 2018 9003
Front Fog Light 2015 – 2018 H8
2007 – 2012 H8/H11/H16
Back Up Light 2007 – 2008, 2015 – 2018 7440
2009 – 2012 921
Brake 2007 – 2012 7443
Daytime Running Light 2007 – 2012, 2015 – 2018 9003
Dome Light 2007 – 2012 DE3175
Front Side Marker 2007 – 2008 12396NA
2015 – 2018 194
2009 – 2012 194NA
Front Turn Signal 2007 – 2008 7440NA
2015 – 2018 7444NA
2009 – 2012 PY21W
License Plate 2007 – 2012, 2015 – 2018 168
Parking Light 2007 – 2008 12396NA
2009 – 2012 194NA
2015 – 2018 7443NA
Rear Side Marker 2007 – 2008 168
2009 – 2012 7443
Rear Turn Signal 2015 – 2018 7440
2007 – 2012 7440NA
Tail Light 2007 – 2012 7443
Luggage Compartment 2007 – 2012, 2015 – 2018 194
Center High Mount Stop Light 2007 – 2008 7440
Map Light 2009 – 2012 DE3175
High Beam and Low Beam Headlight 2013 9003
Back Up Light 2013 921
Brake 2013 7443
Daytime Running Light 2013 9003
Dome Light 2013 DE3175
Front Side Marker 2013 194
Front Turn Signal 2013 PY21W
License Plate 2013 168
Parking Light 2013 194NA
Rear Side Marker 2013 7443
Rear Turn Signal 2013 7440NA
Tail Light 2013 7443
Luggage Compartment 2013 194
Map Light 2013 DE3175
High Beam and Low Beam Headlight 2013 – 2014 9003
Front Fog Light 2013 – 2014 H8/H11/H16
Back Up Light 2013 – 2014 921
Brake 2013 – 2014 7443
Daytime Running Light 2013 – 2014 9003
Dome Light 2013 – 2014 DE3175
Front Side Marker 2013 – 2014 194NA
Front Turn Signal 2013 – 2014 PY21W
License Plate 2013 – 2014 168
Parking Light 2013 – 2014 194NA
Rear Side Marker 2013 – 2014 7443
Rear Turn Signal 2013 – 2014 7440NA
Tail Light 2013 – 2014 7443
Luggage Compartment 2013 – 2014 194
Map Light 2013 – 2014 DE3175
High Beam and Low Beam Headlight 2013 – 2014 9003
Back Up Light 2013 – 2014 921
Brake 2013 – 2014 7443
Daytime Running Light 2013 – 2014 9003
Dome Light 2013 – 2014 DE3175
Front Side Marker 2013 – 2014 194
Front Turn Signal 2013 – 2014 PY21W
License Plate 2013 – 2014 168
Parking Light 2013 – 2014 194NA
Rear Side Marker 2013 – 2014 7443
Rear Turn Signal 2013 – 2014 7440NA
Tail Light 2013 – 2014 7443
Luggage Compartment 2013 – 2014 194
Map Light 2013 – 2014 DE3175
High Beam and Low Beam Headlight 2013 – 2014 9003
Back Up Light 2013 – 2014 921
Brake 2013 – 2014 7443
Daytime Running Light 2013 – 2014 9003
Dome Light 2013 – 2014 DE3175
Front Side Marker 2013 – 2014 194
Front Turn Signal 2013 – 2014 PY21W
License Plate 2013 – 2014 168
Parking Light 2013 – 2014 194NA
Rear Side Marker 2013 – 2014 7443
Rear Turn Signal 2013 – 2014 7440NA
Tail Light 2013 – 2014 7443
Luggage Compartment 2013 – 2014 194
Map Light 2013 – 2014 DE3175
High Beam and Low Beam Headlight 2014 9003
Back Up Light 2014 921
Brake 2014 7443
Daytime Running Light 2014 9003
Dome Light 2014 DE3175
Front Side Marker 2014 194
Front Turn Signal 2014 PY21W
License Plate 2014 168
Parking Light 2014 194NA
Rear Side Marker 2014 7443
Rear Turn Signal 2014 7440NA
Tail Light 2014 7443
Luggage Compartment 2014 194
Map Light 2014 DE3175