When doing replacement or upgrading on 1979 – 2001 Honda Prelude, the bulb size guide is necessary for you to take the reference.
Jump to corresponding car model with the catalog bellow.

Low Beam Headlight 1992 – 1996 9006
1997 – 2001 H1
High Beam Headlight 1992 – 1996 9005
1997 – 2001 H1
High Beam and Low Beam Headlight 1979 – 1991 H6054
Front Fog Light 1988 – 1991 H3-55W
Back Up Light 1979 – 1996 1156
1997 – 2001 7440
Brake 1979 – 1991 2057
1992 – 1996 3496
1997 – 2001 7443
Dome Light 1997 – 2001 194
1979 – 1996 DE3175
Front Side Marker 1979 – 2001 168
Front Turn Signal 1983 – 1993 1156
1979 – 1982 2057
1994 – 2001 7440
License Plate 1997 – 2001 168
1979 – 1991 67
Parking Light 1983 – 2001 168
1979 – 1982 2057
Rear Side Marker 1979 – 2001 168
Rear Turn Signal 1979 – 1991 1156
1992 – 1996 3497
1997 – 2001 7440
Tail Light 1979 – 1991 2057
1992 – 1996 3496
Center High Mount Stop Light 1986 – 1991 1156
1997 – 2001 7440
1992 – 1996 921
Courtesy 1992 – 2001 DE3175
Glove Box 1986 – 1987 12818
1979 – 1985, 1988 – 1991 DE3175
Inner Tail Light 1997 – 2001 194
Map Light 1997 – 2001 12961
1992 – 1996 168
Outer Tail Light 1997 – 2001 7443
Trunk 1979 – 1982, 1997 – 2001 168
1983 – 1996 DE3175