When doing replacement or upgrading on 1986 – 1997 Ford Aerostar without digital inst. cluster 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 Headlight1992, 1994 – 1997 9007
1986 – 1991 H6054
Front Fog Light1994 – 1997 893
Back Up Light1986 – 1987 1156
1988 – 1992, 1994 – 1997 3156
Brake1986 – 1989 1157
1990 – 1992, 1994 – 1996 2357
1997 3457
Dome Light1994, 1996 211-2
1987, 1989 – 1990, 1997 578
1986, 1988, 1991 – 1992, 1995 912
Front Side Marker1986 – 1987 1157
1992, 1994 – 1996 1157NA
1990 – 1991 2357
1988 – 1989, 1997 3157
Front Turn Signal1986 – 1987, 1992, 1994 – 1996 1157
1990 – 1991 2357
1988 – 1989 3157
1997 3157NA
License Plate1990 – 1992, 1994 – 1997 168
1986 – 1989 194
Parking Light1986 – 1987, 1992, 1994 – 1996 1157
1990 – 1991 2357
1988 – 1989, 1997 3157
Rear Side Marker1986 – 1989 1157
1990 – 1992, 1994 – 1996 2357
1997 3157
Rear Turn Signal1986 1156
1987 1157
1988 – 1992, 1994 – 1996 3156
1997 3157
Tail Light1986 – 1989 1157
1990 – 1992, 1994 – 1996 2357
1997 3157
Luggage Compartment1987 – 1990 105
1995 906
1991 – 1992, 1994, 1996 – 1997 912
Center High Mount Stop Light1994 – 1997 912
Courtesy1987, 1990 – 1992, 1994 – 1997 168
1986 912
1988 – 1989 97
Engine Compartment Light1990 906
1987, 1991 – 1992, 1994 – 1997 912
Glove Box1995 – 1996 161
1986 – 1990 1816
1991 – 1992 1893
1994, 1997 194
Map Light1986 – 1987, 1989, 1991, 1995 – 1997 578
1988, 1990, 1992, 1994 912
Radio Display1986 – 1987 1893
1989, 1994 – 1996 37
High Beam and Low Beam Headlight1993 9007
Front Fog Light1993 893
Back Up Light1993 3156
Brake1993 2357
Dome Light1993 578
Front Side Marker1993 1157NA
Front Turn Signal1993 1157
License Plate1993 168
Parking Light1993 1157
Rear Side Marker1993 2357
Rear Turn Signal1993 3156
Tail Light1993 2357
Luggage Compartment1993 912
Engine Compartment Light1993 912
Glove Box1993 1893
Map Light1993 912
High Beam and Low Beam Headlight1993 9007
Front Fog Light1993 893
Back Up Light1993 3156
Brake1993 2357
Dome Light1993 578
Front Side Marker1993 1157NA
Front Turn Signal1993 1157
License Plate1993 168
Parking Light1993 1157
Rear Side Marker1993 2357
Rear Turn Signal1993 3156
Tail Light1993 2357
Luggage Compartment1993 912
Engine Compartment Light1993 912
Glove Box1993 1893
Map Light1993 912