When doing replacement or upgrading on 1969 – 2018 Fiat 124 Spider Base Special Spider capsule halogen headlamps 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 Headlight 1969 – 1975 H5006
High Beam Headlight 1969 – 1975 H5001
Back Up Light 1973 – 1975 1156
Brake 1973 – 1975 1157
Front Side Marker 1969 – 1975 194
Front Turn Signal 1973 – 1975 1157
License Plate 1969 – 1972 89
1973 – 1975 97
Parking Light 1973 – 1975 1157
Rear Side Marker 1969 – 1975 194
Rear Turn Signal 1969 – 1975 1156
Tail Light 1973 – 1975 1157
High Beam and Low Beam Headlight 1969 – 1975 6014
Back Up Light 1973 – 1975 1156
Brake 1973 – 1975 1156
Front Side Marker 1973 – 1975 194
Front Turn Signal 1973 – 1975 1156
License Plate 1969 – 1972 89
1973 – 1975 97
Parking Light 1973 – 1975 97
Rear Side Marker 1973 – 1975 194
Rear Turn Signal 1969 – 1975 1156
Tail Light 1973 – 1975 97
Low Beam Headlight 1970 H5006
High Beam Headlight 1970 H5001
Front Side Marker 1970 194
License Plate 1970 89
Rear Side Marker 1970 194
Rear Turn Signal 1970 1156
High Beam and Low Beam Headlight 1976 – 1983 6014
Back Up Light 1976 – 1983 1156
Brake 1976 – 1983 1156
Front Side Marker 1976 – 1983 194
Front Turn Signal 1976 – 1983 1156
License Plate 1979 – 1983 67
1976 – 1978 97
Parking Light 1976 – 1983 97
Rear Side Marker 1976 – 1983 194
Rear Turn Signal 1976 – 1983 1156
Tail Light 1976 – 1983 97
Low Beam Headlight 2017 – 2018 H11
High Beam Headlight 2017 – 2018 9005
Front Fog Light 2017 – 2018 H8/H11/H16
Back Up Light 2017 – 2018 7440
Daytime Running Light 2017 – 2018 9005
Dome Light 2017 – 2018 6411
Front Side Marker 2017 – 2018 12396NA
Front Turn Signal 2017 – 2018 7440NA
License Plate 2017 – 2018 194
Parking Light 2017 – 2018 12396NA
Rear Side Marker 2017 – 2018 12961
Rear Turn Signal 2017 – 2018 7440NA
Trunk 2017 – 2018 6418
Front Fog Light 2017 – 2018 H8/H11/H16
Back Up Light 2017 – 2018 7440
Dome Light 2017 – 2018 6411
Front Side Marker 2017 – 2018 194
Front Turn Signal 2017 – 2018 7440NA
License Plate 2017 – 2018 194
Rear Side Marker 2017 – 2018 12961
Rear Turn Signal 2017 – 2018 7440NA
Trunk 2017 – 2018 12844