When doing replacement or upgrading on 1958 – 2005 Buick Century Coupe Sedan Wagon, the bulb size guide is necessary for you to take the reference.
Jump to corresponding car model with the catalog bellow.

Low Beam Headlight1997 – 2005 9006
1976 – 1977, 1982 – 1985 H4656
1958 H5006
High Beam Headlight1997 – 2005 9005
1976 – 1977, 1982 – 1985 H4651
1958 H5001
High Beam and Low Beam Headlight1973 – 1975 H6024
1978 – 1981 H6054
Front Fog Light1997 – 2003 893
Back Up Light1958, 1973 – 1985, 1997 – 2005 1156
Brake1958, 1973 – 1981 1157
1982 – 1985 2057
1997 – 2005 3057
Dome Light1958 1004
1997 194
1977 211-2
1975 – 1976, 1978 – 1985 561
1973 – 1974 578
1998 – 2005 912
Front Side Marker1973 – 1977, 1979, 1981 – 1985, 1997 – 2005 194
1978, 1980 194NA
Front Turn Signal1958, 1973 – 1981 1157
1982 – 1985 2057
1997 – 2005 4157
License Plate1973 – 1985, 1997 – 2005 194
1958 67
Parking Light1958, 1973 – 1981 1157
1982 – 1985 2057NA
1997 – 2005 4157
Rear Side Marker1973 – 1985, 1997 – 2005 194
Rear Turn Signal1958 1034
1973 – 1981 1157
1982 – 1985 2057
1997 – 2005 3057
Tail Light1958 1034
1973 – 1981 1157
1982 – 1985 2057
1997 – 1999 3057
Center High Mount Stop Light1997 – 1999 1156
2000 – 2005 921
Courtesy1976 – 1977 1004
1973 – 1974, 1978, 1980 – 1981 1445
1998 – 2005 168
1997 194
1979 561
1975, 1982 – 1985 562
Engine Compartment Light1976 – 1982 1004
1997 – 2003 561
Glove Box1979, 1981 – 1985 1891
1973 – 1977 1893
1978, 1980 1895
1997 – 2005 194
Inner Tail Light2000 – 2005 194
Map Light1983 – 1984 1004
1976 212-2
1975 561
1973 – 1974, 1977 – 1982, 2004 – 2005 578
1958 90
1985, 1997 – 2003 906
Outer Tail Light2000 – 2005 3057
Radio Display1973 – 1974 1816
1958 1891
1975 – 1982 1893
1983 – 1985 194
Trunk1978, 1980 – 1985 1003
1979 562
1958, 1973 – 1976 89
1997 – 2005 920
Low Beam Headlight1989 – 1996 9006
1986 – 1988 H4703
High Beam Headlight1989 – 1996 9005
1986 – 1988 H4701
Back Up Light1986 – 1996 1156
Brake1987 1157
1986, 1988 2057
1989 – 1996 2397
Dome Light1988 194
1986 – 1987, 1989 – 1991 561
1992 – 1996 578
Front Side Marker1986 – 1988 194
1989 – 1996 194NA
Front Turn Signal1987 1157
1986, 1988 2057
1991 – 1996 2357NA
1989 – 1990 889
License Plate1986 – 1996 194
Parking Light1987 1157
1989 – 1990 194NA
1986, 1988 2057NA
1991 – 1996 2357
Rear Side Marker1986, 1988 – 1996 194
Rear Turn Signal1987 1157
1986, 1988 2057
1989 – 1996 2397
Tail Light1987 1157
1986, 1988 2057
1989 – 1996 2397
Center High Mount Stop Light1986 – 1996 1156
Courtesy1992 194
1991, 1994 – 1996 561
1988 73
1986 90
1987, 1989 – 1990, 1993 912
Engine Compartment Light1993 – 1996 561
1986 – 1992 89
Glove Box1986 – 1996 194
Map Light1989 – 1991 168
1988 90
1986 – 1987, 1992 – 1996 906
Radio Display1986 194
Trunk1986 – 1996 1003
Low Beam Headlight1989 – 1996 9006
1986 – 1988 H4703
High Beam Headlight1989 – 1996 9005
1986 – 1988 H4701
Back Up Light1986 – 1996 1156
Brake1987 1157
1986, 1988 – 1996 2057
Dome Light1988 194
1986 – 1987, 1989 – 1991 561
1992 – 1996 578
Front Side Marker1986 – 1988 194
1989 – 1996 194NA
Front Turn Signal1987 1157
1986, 1988 2057
1991 – 1996 2357NA
1989 – 1990 889
License Plate1986 – 1996 194
Parking Light1987 1157
1989 – 1990 194NA
1986, 1988 2057NA
1991 – 1996 2357
Rear Side Marker1986, 1988 – 1996 194
Rear Turn Signal1987 1157
1986, 1988 – 1996 2057
Tail Light1987 1157
1986, 1988 – 1996 2057
Center High Mount Stop Light1986 – 1996 561
Courtesy1992 194
1991, 1994 – 1996 561
1988 73
1986 90
1987, 1989 – 1990, 1993 912
Engine Compartment Light1993 – 1996 561
1986 – 1992 89
Glove Box1986 – 1996 194
Map Light1989 – 1991 168
1988 90
1986 – 1987, 1992 – 1996 906
Radio Display1986 194
Trunk1986 – 1996 1003
Low Beam Headlight1989 – 1993 9006
1986 – 1988 H4703
High Beam Headlight1989 – 1993 9005
1986 – 1988 H4701
Back Up Light1986 – 1993 1156
Brake1987 1157
1986, 1988 2057
1989 – 1993 2397
Dome Light1988 194
1986 – 1987, 1989 – 1991 561
1992 – 1993 578
Front Side Marker1986 – 1988 194
1989 – 1993 194NA
Front Turn Signal1987 1157
1986, 1988 2057
1991 – 1993 2357NA
1989 – 1990 889
License Plate1986 – 1993 194
Parking Light1987 1157
1989 – 1990 194NA
1986, 1988 2057NA
1991 – 1993 2357
Rear Side Marker1986, 1988 – 1993 194
Rear Turn Signal1987 1157
1986, 1988 2057
1989 – 1993 2397
Tail Light1987 1157
1986, 1988 2057
1989 – 1993 2397
Center High Mount Stop Light1986 – 1993 1156
Courtesy1992 194
1991 561
1988 73
1986 90
1987, 1989 – 1990, 1993 912
Engine Compartment Light1993 561
1986 – 1992 89
Glove Box1986 – 1993 194
Map Light1989 – 1991 168
1988 90
1986 – 1987, 1992 – 1993 906
Radio Display1986 194
Trunk1986 – 1993 1003