Chevrolet 1977-71, GMC 1959-55, Oldsmobile 1977-76, Pontiac 1977-75, Pontiac 1957-55
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
0.558 In.
Cup Type
Engine, Expansion, Plug, Plugs
Steel
0.574 In.
Expansion Plug
Steel Cup Expansion Plug 9/16 In., Height 0.250
EXPANSION PLUG STEEL
Freeze Plug Welsh Plug
Manufacturer
Part Numbers
Superseded Parts
DORMAN
555-008.1
OTHER
555-008
555008
Vehicle Fitment
Make
Model
Years
GMC
1000 SERIES
1960-1963
GMC
102-22
1952-1953
GMC
150
1951-1959
GMC
150-22
1947-1949, 1951-1955
GMC
150-24
1953-1954
GMC
1500 SERIES
1960-1963
GMC
250
1951-1959
GMC
250-22
1951-1955
GMC
250-24
1953-1954
GMC
2500 SERIES
1960-1963
GMC
253-22
1952-1953
GMC
280-22
1951-1955
GMC
300
1951-1959
GMC
300-24
1953-1954
GMC
3000
1960-1963
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.