When doing replacement or upgrading on 1959 – 1990 Buick Electra Avenue Estate Limited Park T-Type Ultra Wagon, the bulb size guide is necessary for you to take the reference.
Jump to corresponding car model with the catalog bellow.

Low Beam Headlight1976 – 1986 H4656
1959 – 1975 H5006
High Beam Headlight1976 – 1986 H4651
1959 – 1975 H5001
High Beam and Low Beam Headlight1990 9004
Back Up Light1959 – 1986, 1990 1156
Brake1959, 1961 – 1962 1034
1960, 1963 – 1982 1157
1983 – 1986, 1990 2057
Dome Light1959 – 1960, 1962 – 1968 1004
1971 194
1969, 1973 211-2
1972 212-2
1974 – 1984 561
1985 – 1986, 1990 562
1961 578
1970 89
Front Side Marker1970, 1972 – 1975, 1983 – 1986 194
1968 – 1969, 1976 – 1982, 1990 194NA
1971 97
Front Turn Signal1959 – 1982 1157
1983 – 1986, 1990 2057
License Plate1964 1155
1977, 1980 – 1982 168
1973 – 1976, 1978 – 1979, 1983 – 1986, 1990 194
1959 – 1963 67
1965 – 1972 97
Parking Light1959 – 1982 1157
1983 – 1986, 1990 2057NA
Rear Side Marker1971 1157
1977, 1981 168
1968 – 1970, 1972 – 1976, 1978 – 1980, 1982 – 1986, 1990 194
Rear Turn Signal1962 – 1963 1034
1980 – 1981 1156
1959 – 1961, 1964 – 1979, 1982 1157
1983 – 1986, 1990 2057
Tail Light1959 – 1963 1034
1964 – 1976, 1978 – 1980 1157
1977, 1981 – 1982 168
1984 194
1983, 1985 – 1986, 1990 2057
Center High Mount Stop Light1986, 1990 1156
Courtesy1981 161
1983 – 1985, 1990 168
1971 194
1975 – 1980, 1982 562
1961 – 1962 68
1968 – 1970 89
1963 – 1967, 1972 – 1974 90
1986 912
Engine Compartment Light1990 1003
1972 – 1973, 1977 – 1982 1004
1962 – 1970, 1976, 1985 – 1986 89
Glove Box1980 – 1982 1891
1964 – 1970, 1972 – 1979 1893
1983 – 1984 1895
1985 – 1986, 1990 194
1959 – 1963 57
Map Light1980, 1982 1004
1971 194
1974 561
1985 – 1986, 1990 562
1972 – 1973, 1975 – 1979, 1981 578
1959 – 1960, 1962 – 1968 90
Radio Display1974 1816
1959 1891
1966 – 1969 1892
1962, 1970 – 1973, 1975 – 1982 1893
1983 – 1986 194
1960 57
Trunk1983 – 1986, 1990 1003
1971 194
1959 – 1970, 1972 – 1982 89
Low Beam Headlight1987 9006
1988 – 1989 H4656
High Beam Headlight1987 9005
1988 – 1989 H4651
Back Up Light1987 – 1989 1156
Brake1987 – 1989 2057
Dome Light1987 – 1989 561
Front Side Marker1988 – 1989 194
1987 194NA
Front Turn Signal1987 – 1989 2057
License Plate1987 – 1989 194
Parking Light1987 – 1989 2057NA
Rear Side Marker1987 – 1989 194
Rear Turn Signal1987 – 1989 2057
Tail Light1987 – 1989 2057
Luggage Compartment1987 – 1988 1003
1989 562
Center High Mount Stop Light1987 – 1988 1156
Courtesy1989 168
1987 – 1988 562
Engine Compartment Light1987 – 1989 89
Glove Box1987 – 1989 1891
Map Light1987, 1989 1004
1988 912
Radio Display1987 – 1988 194
High Beam and Low Beam Headlight1987 – 1989 9004
Front Fog Light1989 881
Back Up Light1987 – 1989 1156
Brake1988 1156
1987, 1989 2057
Dome Light1988 – 1989 561
1987 562
Front Side Marker1987 – 1988 194
1989 194NA
Front Turn Signal1987 – 1989 2057
License Plate1987 – 1989 194
Parking Light1987 – 1989 2057NA
Rear Side Marker1987 – 1989 194
Rear Turn Signal1987 – 1989 2057
Tail Light1987 – 1989 2057
Center High Mount Stop Light1987 – 1989 1156
Courtesy1989 168
1988 73
1987 912
Engine Compartment Light1987 1003
1988 – 1989 89
Glove Box1987 – 1989 194
Map Light1987 – 1989 562
Radio Display1987 194
Trunk1987 – 1989 1003
High Beam and Low Beam Headlight1987 – 1989 9004
Front Fog Light1989 881
Back Up Light1987 – 1989 1156
Brake1988 1156
1987, 1989 2057
Dome Light1988 – 1989 561
1987 562
Front Side Marker1987 – 1988 194
1989 194NA
Front Turn Signal1987 – 1989 2057
License Plate1987 – 1989 194
Parking Light1987 – 1989 2057NA
Rear Side Marker1987 – 1989 194
Rear Turn Signal1987 – 1989 2057
Tail Light1987 – 1989 2057
Center High Mount Stop Light1987 – 1989 1156
Courtesy1989 168
1988 73
1987 912
Engine Compartment Light1987 1003
1988 – 1989 89
Glove Box1987 – 1989 194
Map Light1987 – 1989 562
Radio Display1987 194
Trunk1987 – 1989 1003
High Beam and Low Beam Headlight1987 – 1989 9004
Front Fog Light1989 881
Back Up Light1987 – 1989 1156
Brake1988 1156
1987, 1989 2057
Dome Light1988 – 1989 561
1987 562
Front Side Marker1987 – 1988 194
1989 194NA
Front Turn Signal1987 – 1989 2057
License Plate1987 – 1989 194
Parking Light1987 – 1989 2057NA
Rear Side Marker1987 – 1989 194
Rear Turn Signal1987 – 1989 2057
Tail Light1987 – 1989 2057
Center High Mount Stop Light1987 – 1989 1156
Courtesy1989 168
1988 73
1987 912
Engine Compartment Light1987 1003
1988 – 1989 89
Glove Box1987 – 1989 194
Map Light1987 – 1989 562
Radio Display1987 194
Trunk1987 – 1989 1003
High Beam and Low Beam Headlight1989 9004
Front Fog Light1989 881
Back Up Light1989 1156
Brake1989 2057
Dome Light1989 561
Front Side Marker1989 194NA
Front Turn Signal1989 2057
License Plate1989 194
Parking Light1989 2057NA
Rear Side Marker1989 194
Rear Turn Signal1989 2057
Tail Light1989 2057
Center High Mount Stop Light1989 1156
Courtesy1989 168
Engine Compartment Light1989 89
Glove Box1989 194
Map Light1989 562
Trunk1989 1003