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 Headlight2007 – 2012, 2015 – 2018 9003
Front Fog Light2015 – 2018 H8
2007 – 2012 H8/H11/H16
Back Up Light2007 – 2008, 2015 – 2018 7440
2009 – 2012 921
Brake2007 – 2012 7443
Daytime Running Light2007 – 2012, 2015 – 2018 9003
Dome Light2007 – 2012 DE3175
Front Side Marker2007 – 2008 12396NA
2015 – 2018 194
2009 – 2012 194NA
Front Turn Signal2007 – 2008 7440NA
2015 – 2018 7444NA
2009 – 2012 PY21W
License Plate2007 – 2012, 2015 – 2018 168
Parking Light2007 – 2008 12396NA
2009 – 2012 194NA
2015 – 2018 7443NA
Rear Side Marker2007 – 2008 168
2009 – 2012 7443
Rear Turn Signal2015 – 2018 7440
2007 – 2012 7440NA
Tail Light2007 – 2012 7443
Luggage Compartment2007 – 2012, 2015 – 2018 194
Center High Mount Stop Light2007 – 2008 7440
Map Light2009 – 2012 DE3175
High Beam and Low Beam Headlight2013 9003
Back Up Light2013 921
Brake2013 7443
Daytime Running Light2013 9003
Dome Light2013 DE3175
Front Side Marker2013 194
Front Turn Signal2013 PY21W
License Plate2013 168
Parking Light2013 194NA
Rear Side Marker2013 7443
Rear Turn Signal2013 7440NA
Tail Light2013 7443
Luggage Compartment2013 194
Map Light2013 DE3175
High Beam and Low Beam Headlight2013 – 2014 9003
Front Fog Light2013 – 2014 H8/H11/H16
Back Up Light2013 – 2014 921
Brake2013 – 2014 7443
Daytime Running Light2013 – 2014 9003
Dome Light2013 – 2014 DE3175
Front Side Marker2013 – 2014 194NA
Front Turn Signal2013 – 2014 PY21W
License Plate2013 – 2014 168
Parking Light2013 – 2014 194NA
Rear Side Marker2013 – 2014 7443
Rear Turn Signal2013 – 2014 7440NA
Tail Light2013 – 2014 7443
Luggage Compartment2013 – 2014 194
Map Light2013 – 2014 DE3175
High Beam and Low Beam Headlight2013 – 2014 9003
Back Up Light2013 – 2014 921
Brake2013 – 2014 7443
Daytime Running Light2013 – 2014 9003
Dome Light2013 – 2014 DE3175
Front Side Marker2013 – 2014 194
Front Turn Signal2013 – 2014 PY21W
License Plate2013 – 2014 168
Parking Light2013 – 2014 194NA
Rear Side Marker2013 – 2014 7443
Rear Turn Signal2013 – 2014 7440NA
Tail Light2013 – 2014 7443
Luggage Compartment2013 – 2014 194
Map Light2013 – 2014 DE3175
High Beam and Low Beam Headlight2013 – 2014 9003
Back Up Light2013 – 2014 921
Brake2013 – 2014 7443
Daytime Running Light2013 – 2014 9003
Dome Light2013 – 2014 DE3175
Front Side Marker2013 – 2014 194
Front Turn Signal2013 – 2014 PY21W
License Plate2013 – 2014 168
Parking Light2013 – 2014 194NA
Rear Side Marker2013 – 2014 7443
Rear Turn Signal2013 – 2014 7440NA
Tail Light2013 – 2014 7443
Luggage Compartment2013 – 2014 194
Map Light2013 – 2014 DE3175
High Beam and Low Beam Headlight2014 9003
Back Up Light2014 921
Brake2014 7443
Daytime Running Light2014 9003
Dome Light2014 DE3175
Front Side Marker2014 194
Front Turn Signal2014 PY21W
License Plate2014 168
Parking Light2014 194NA
Rear Side Marker2014 7443
Rear Turn Signal2014 7440NA
Tail Light2014 7443
Luggage Compartment2014 194
Map Light2014 DE3175