When doing replacement or upgrading on 1984 – 1988 Dodge Mini Ram 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.

Low Beam Headlight 1984 – 1986 H4656
High Beam Headlight 1984 – 1986 H4651
Back Up Light 1984 – 1986 1156
Brake 1984 1157
1985 – 1986 2057
Dome Light 1985 – 1986 578
Front Side Marker 1984 194
Front Turn Signal 1984 1157
1985 – 1986 2057
License Plate 1984 – 1986 168
Parking Light 1984 1157
1985 – 1986 912
Rear Turn Signal 1984 1157
1985 – 1986 2057
Tail Light 1984 1157
1985 – 1986 2057
Center High Mount Stop Light 1985 – 1986 921
Courtesy 1984 211-2
1985 – 1986 212-2
Engine Compartment Light 1985 – 1986 105
Map Light 1985 – 1986 912
Radio Display 1985 – 1986 74
Low Beam Headlight 1987 – 1988 H4656
High Beam Headlight 1987 – 1988 H4651
Back Up Light 1987 – 1988 1156
Brake 1987 – 1988 1157
Dome Light 1987 – 1988 578
Front Turn Signal 1987 – 1988 2057
License Plate 1987 – 1988 168
Parking Light 1987 – 1988 194
Rear Side Marker 1987 – 1988 194
Rear Turn Signal 1987 – 1988 2057
Tail Light 1987 – 1988 1157
Luggage Compartment 1987 – 1988 211-2
Map Light 1987 – 1988 578
Radio Display 1987 – 1988 74
High Beam and Low Beam Headlight 1987 – 1988 H6024
Back Up Light 1987 – 1988 1156
Brake 1987 – 1988 1157
Dome Light 1987 – 1988 578
Front Turn Signal 1987 – 1988 2057
License Plate 1987 – 1988 168
Parking Light 1987 – 1988 194
Rear Side Marker 1987 – 1988 194
Rear Turn Signal 1987 – 1988 2057
Tail Light 1987 – 1988 1157
Luggage Compartment 1987 – 1988 211-2
Map Light 1987 – 1988 578
Radio Display 1987 – 1988 74