When doing replacement or upgrading on 1974 – 1993 Dodge Ramcharger 2 4 headlamps with, 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 Headlight1974 – 1978 6014
1981 – 1993 H6054
Back Up Light1981 – 1993 1156
1974 – 1978 199
Brake1981 – 1991, 1993 1157
1974 – 1978 198
1992 2057
Front Side Marker1974 – 1978, 1981 – 1993 194
Front Turn Signal1976 – 1978, 1981 – 1982, 1986 – 1990 1157
1974 – 1975 198
1983 – 1985, 1991 – 1992 2057
1993 2057NA
License Plate1988 – 1993 168
1981 – 1987 67
1974 – 1978 97
Parking Light1976 – 1978, 1981 – 1990 1157
1974 – 1975 198
1992 2057
1991, 1993 2057NA
Rear Side Marker1986 – 1991 194
Rear Turn Signal1981 – 1991 1157
1974 – 1978 198
1992 – 1993 2057
Tail Light1981 – 1991, 1993 1157
1974 – 1978 198
1992 2057
Luggage Compartment1983 – 1985 1003
1986 – 1991 211-2
1993 921
Courtesy1974, 1978, 1981 – 1982, 1988 – 1991 1004
1975 – 1977 105
1983 – 1985 211-2
1986 – 1987 562
1992 – 1993 912
Engine Compartment Light1993 105
Glove Box1983 – 1993 1891
Map Light1983 – 1993 562
Radio Display1983 – 1991, 1993 74
Low Beam Headlight1979 – 1980 H4656
High Beam Headlight1979 – 1980 H4651
Back Up Light1980 1156
1979 199
Brake1980 1157
1979 198
Front Side Marker1979 – 1980 194
Front Turn Signal1979 – 1980 1157
License Plate1980 67
1979 97
Parking Light1979 – 1980 1157
Rear Turn Signal1980 1157
1979 198
Tail Light1980 1157
1979 198
High Beam and Low Beam Headlight1979 – 1980 6014
Back Up Light1980 1156
1979 199
Brake1980 1157
1979 198
Front Side Marker1979 – 1980 194
Front Turn Signal1979 – 1980 1157
License Plate1980 67
1979 97
Parking Light1979 – 1980 1157
Rear Turn Signal1980 1157
1979 198
Tail Light1980 1157
1979 198