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1.007 In.
Cup Type
Engine, Expansion, Plug, Plugs
Steel
1.021 In.
Expansion Plug
Steel Cup Expansion Plug 1 In., SC, Height 0.250
EXPANSION PLUG STEEL
Freeze Plug Welsh Plug
Manufacturer
Part Numbers
Superseded Parts
OTHER
555-018
555018
Vehicle Fitment
Make
Model
Years
AMERICAN MOTORS
AMBASSADOR
1967-1971
AMERICAN MOTORS
AMX
1978-1980
AMERICAN MOTORS
CONCORD
1978-1983
AMERICAN MOTORS
EAGLE
1980-1988
AMERICAN MOTORS
GREMLIN
1970-1972, 1976-1978
AMERICAN MOTORS
HORNET
1970-1977
AMERICAN MOTORS
JAVELIN
1974
AMERICAN MOTORS
MATADOR
1971-1978
AMERICAN MOTORS
PACER
1980
AMERICAN MOTORS
SPIRIT
1979-1983
BUICK
CENTURY
1988
BUICK
ELECTRA
1988-1990
BUICK
LACROSSE
2005
BUICK
LESABRE
1988-2005
BUICK
PARK AVENUE
1991-2005
This list of compatible vehicles and years is accurate, but it may not be complete. There may be additional vehicle applications and years compatible with this part not listed.