When doing replacement or upgrading on 1966 – 1973 Jeep Commando, 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 Headlight1966 – 1973 6014
Back Up Light1966 – 1968 1073
1972 – 1973 199
Brake1966 – 1967 1034
1968 1157
1969 – 1973 198
Dome Light1966 – 1968 212-2
Front Side Marker1972 – 1973 194
Front Turn Signal1966 – 1968 1157
1973 198
1969 – 1972 199
License Plate1966 – 1968 89
Parking Light1966 – 1968 1157
1969 – 1973 198
Rear Turn Signal1966 – 1968 1034
1969 – 1972 1156
1973 198
Tail Light1966 – 1968 1157
1969 – 1973 198
Courtesy1972 – 1973 211-2
1969 – 1971 212-2
Glove Box1966 – 1968 1891