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  2. Auto Parts
  3. Engine Components
  4. Hardware
  5. Engine Cylinder Head Plug
  6. Dorman 555-020 for 1978

Dorman 555-020 Engine Cylinder Head Plug
for 1978 (please select make/model)

Dorman 555-020 Engine Cylinder Head Plug - 1978

Dorman
Brand:Dorman
Part Number: 555-020
UPC: 00019495555209
Weight: 0.34 lbs
Condition:New



On Sale:

$8.93

Availability:
4 in Stock
Warehouse: US-1
Quantity:

Product Information

Description:

Get the Dorman 555-020 Engine Cylinder Head Plug for your 1978. Buy now and secure your purchase online!

This engine cylinder head plug is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.

Features and Benefits:

  • Direct replacement - this engine cylinder head plug matches the fit and function of the factory part on specified years, makes and models
  • Durable construction - this part is made from quality materials to ensure reliable performance and long service life
  • Ideal solution - this plug is a reliable replacement for an original part that is missing or has failed due to fatigue
  • Trustworthy quality - backed by team of product experts in the United States and more than a century of automotive experience

Specifications:

Closed End Diameter:
1.12 in in.
Material:
Steel
Open End Diameter (in):
1.135 in in.
Package Contents:
Cup Type Plug
Pioneer #:
80194000
Pioneer #:
EPC-25
Country of Origin:
US

Select a vehicle to narrow Dorman 555-020 Engine Cylinder Head Plug fitment info!

Last Updated: 09/15/2024

Years Vehicle Per Vehicle Fit NotesFitment Notes

1981

 

1980

 

1979

 

1978

 

1977

 

1976

 

1975

 

1981

 

1980

 

1979

 

1978

 

1977

 

1976

 

1975

 
Buick Century

3.8L V6 Gas OHV
1
 
1.125 In. Shallow Cup
4 Required
Package Quantity: 10
Dorman
AutoGrade
Boxed
 

Buick Century



3.8L V6 Gas OHV 1.125 In. Shallow Cup
4 Required
Package Quantity: 10
Dorman
AutoGrade
Boxed

1 Per Vehicle

1985

 

1984

 

1983

 

1982

 

1981

 

1980

 

1979

 

1978

 

1977

 

1976

 

1985

 

1984

 

1983

 

1982

 

1981

 

1980

 

1979

 

1978

 

1977

 

1976

 
Buick LeSabre

3.8L V6 Gas OHV
1
 
1.125 In. Shallow Cup
4 Required
Package Quantity: 10
Dorman
AutoGrade
Boxed
 

Buick LeSabre



3.8L V6 Gas OHV 1.125 In. Shallow Cup
4 Required
Package Quantity: 10
Dorman
AutoGrade
Boxed

1 Per Vehicle

1980

 

1979

 

1978

 

1980

 

1979

 

1978

 
Buick LeSabre

3.8L V6 Gas OHV Turbo
1
 
1.125 In. Shallow Cup
4 Required
Package Quantity: 10
Dorman
AutoGrade
Boxed
 

Buick LeSabre



3.8L V6 Gas OHV Turbo 1.125 In. Shallow Cup
4 Required
Package Quantity: 10
Dorman
AutoGrade
Boxed

1 Per Vehicle

1985

 

1984

 

1983

 

1982

 

1981

 

1980

 

1979

 

1978

 

1985

 

1984

 

1983

 

1982

 

1981

 

1980

 

1979

 

1978

 
Buick Regal

3.8L V6 Gas OHV Turbo
1
 
1.125 In. Shallow Cup
4 Required
Package Quantity: 10
Dorman
AutoGrade
Boxed
 

Buick Regal



3.8L V6 Gas OHV Turbo 1.125 In. Shallow Cup
4 Required
Package Quantity: 10
Dorman
AutoGrade
Boxed

1 Per Vehicle

1985

 

1984

 

1983

 

1982

 

1981

 

1980

 

1979

 

1978

 

1977

 

1976

 

1975

 

1985

 

1984

 

1983

 

1982

 

1981

 

1980

 

1979

 

1978

 

1977

 

1976

 

1975

 
Buick Regal

3.8L V6 Gas OHV
1
 
1.125 In. Shallow Cup
4 Required
Package Quantity: 10
Dorman
AutoGrade
Boxed
 

Buick Regal



3.8L V6 Gas OHV 1.125 In. Shallow Cup
4 Required
Package Quantity: 10
Dorman
AutoGrade
Boxed

1 Per Vehicle

1980

 

1979

 

1978

 

1977

 

1976

 

1975

 

1980

 

1979

 

1978

 

1977

 

1976

 

1975

 
Buick Skyhawk

3.8L V6 Gas OHV
1
 
1.125 In. Shallow Cup
4 Required
Package Quantity: 10
Dorman
AutoGrade
Boxed
 

Buick Skyhawk



3.8L V6 Gas OHV 1.125 In. Shallow Cup
4 Required
Package Quantity: 10
Dorman
AutoGrade
Boxed

1 Per Vehicle

1979

 

1978

 

1977

 

1976

 

1975

 

1979

 

1978

 

1977

 

1976

 

1975

 
Buick Skylark

3.8L V6 Gas OHV
1
 
1.125 In. Shallow Cup
4 Required
Package Quantity: 10
Dorman
AutoGrade
Boxed
 

Buick Skylark



3.8L V6 Gas OHV 1.125 In. Shallow Cup
4 Required
Package Quantity: 10
Dorman
AutoGrade
Boxed

1 Per Vehicle

1984

 

1983

 

1982

 

1981

 

1980

 

1979

 

1978

 

1984

 

1983

 

1982

 

1981

 

1980

 

1979

 

1978

 
Chevrolet El Camino

3.8L V6 Gas OHV
1
 
1.125 In. Shallow Cup
4 Required
Package Quantity: 10
Dorman
AutoGrade
Boxed
 

Chevrolet El Camino



3.8L V6 Gas OHV 1.125 In. Shallow Cup
4 Required
Package Quantity: 10
Dorman
AutoGrade
Boxed

1 Per Vehicle

1983

 

1982

 

1981

 

1980

 

1979

 

1978

 

1983

 

1982

 

1981

 

1980

 

1979

 

1978

 
Chevrolet Malibu

3.8L V6 Gas OHV
1
 
1.125 In. Shallow Cup
4 Required
Package Quantity: 10
Dorman
AutoGrade
Boxed
 

Chevrolet Malibu



3.8L V6 Gas OHV 1.125 In. Shallow Cup
4 Required
Package Quantity: 10
Dorman
AutoGrade
Boxed

1 Per Vehicle

1984

 

1983

 

1982

 

1981

 

1980

 

1979

 

1978

 

1984

 

1983

 

1982

 

1981

 

1980

 

1979

 

1978

 
Chevrolet Monte Carlo

3.8L V6 Gas OHV
1
 
1.125 In. Shallow Cup
4 Required
Package Quantity: 10
Dorman
AutoGrade
Boxed
 

Chevrolet Monte Carlo



3.8L V6 Gas OHV 1.125 In. Shallow Cup
4 Required
Package Quantity: 10
Dorman
AutoGrade
Boxed

1 Per Vehicle

1984

 

1983

 

1982

 

1981

 

1980

 

1979

 

1978

 

1984

 

1983

 

1982

 

1981

 

1980

 

1979

 

1978

 
GMC Caballero

3.8L V6 Gas OHV
1
 
1.125 In. Shallow Cup
4 Required
Package Quantity: 10
Dorman
AutoGrade
Boxed
 

GMC Caballero



3.8L V6 Gas OHV 1.125 In. Shallow Cup
4 Required
Package Quantity: 10
Dorman
AutoGrade
Boxed

1 Per Vehicle

1981

 

1980

 

1979

 

1978

 

1977

 

1981

 

1980

 

1979

 

1978

 

1977

 
Oldsmobile Cutlass

3.8L V6 Gas OHV
1
 
1.125 In. Shallow Cup
4 Required
Package Quantity: 10
Dorman
AutoGrade
Boxed
 

Oldsmobile Cutlass



3.8L V6 Gas OHV 1.125 In. Shallow Cup
4 Required
Package Quantity: 10
Dorman
AutoGrade
Boxed

1 Per Vehicle

1984

 

1983

 

1982

 

1981

 

1980

 

1979

 

1978

 

1984

 

1983

 

1982

 

1981

 

1980

 

1979

 

1978

 
Oldsmobile Cutlass Calais

3.8L V6 Gas OHV
1
 
1.125 In. Shallow Cup
4 Required
Package Quantity: 10
Dorman
AutoGrade
Boxed
 

Oldsmobile Cutlass Calais



3.8L V6 Gas OHV 1.125 In. Shallow Cup
4 Required
Package Quantity: 10
Dorman
AutoGrade
Boxed

1 Per Vehicle

1980

 

1979

 

1978

 

1980

 

1979

 

1978

 
Oldsmobile Cutlass Salon

3.8L V6 Gas OHV
1
 
1.125 In. Shallow Cup
4 Required
Package Quantity: 10
Dorman
AutoGrade
Boxed
 

Oldsmobile Cutlass Salon



3.8L V6 Gas OHV 1.125 In. Shallow Cup
4 Required
Package Quantity: 10
Dorman
AutoGrade
Boxed

1 Per Vehicle

1985

 

1984

 

1983

 

1982

 

1981

 

1980

 

1979

 

1978

 

1977

 

1985

 

1984

 

1983

 

1982

 

1981

 

1980

 

1979

 

1978

 

1977

 
Oldsmobile Cutlass Supreme

3.8L V6 Gas OHV
1
 
1.125 In. Shallow Cup
4 Required
Package Quantity: 10
Dorman
AutoGrade
Boxed
 

Oldsmobile Cutlass Supreme



3.8L V6 Gas OHV 1.125 In. Shallow Cup
4 Required
Package Quantity: 10
Dorman
AutoGrade
Boxed

1 Per Vehicle

1985

 

1984

 

1983

 

1982

 

1981

 

1980

 

1979

 

1978

 

1977

 

1985

 

1984

 

1983

 

1982

 

1981

 

1980

 

1979

 

1978

 

1977

 
Oldsmobile Delta 88

3.8L V6 Gas OHV
1
 
1.125 In. Shallow Cup
4 Required
Package Quantity: 10
Dorman
AutoGrade
Boxed
 

Oldsmobile Delta 88



3.8L V6 Gas OHV 1.125 In. Shallow Cup
4 Required
Package Quantity: 10
Dorman
AutoGrade
Boxed

1 Per Vehicle

1979

 

1978

 

1977

 

1979

 

1978

 

1977

 
Oldsmobile Omega

3.8L V6 Gas OHV
1
 
1.125 In. Shallow Cup
4 Required
Package Quantity: 10
Dorman
AutoGrade
Boxed
 

Oldsmobile Omega



3.8L V6 Gas OHV 1.125 In. Shallow Cup
4 Required
Package Quantity: 10
Dorman
AutoGrade
Boxed

1 Per Vehicle

1980

 

1979

 

1978

 

1977

 

1976

 

1975

 

1980

 

1979

 

1978

 

1977

 

1976

 

1975

 
Oldsmobile Starfire

3.8L V6 Gas OHV
1
 
1.125 In. Shallow Cup
4 Required
Package Quantity: 10
Dorman
AutoGrade
Boxed
 

Oldsmobile Starfire



3.8L V6 Gas OHV 1.125 In. Shallow Cup
4 Required
Package Quantity: 10
Dorman
AutoGrade
Boxed

1 Per Vehicle

1981

 

1980

 

1979

 

1978

 

1977

 

1981

 

1980

 

1979

 

1978

 

1977

 
Pontiac Catalina

3.8L V6 Gas OHV
1
 
1.125 In. Shallow Cup
4 Required
Package Quantity: 10
Dorman
AutoGrade
Boxed
 

Pontiac Catalina



3.8L V6 Gas OHV 1.125 In. Shallow Cup
4 Required
Package Quantity: 10
Dorman
AutoGrade
Boxed

1 Per Vehicle

1981

 

1980

 

1979

 

1978

 

1977

 

1981

 

1980

 

1979

 

1978

 

1977

 
Pontiac Firebird

3.8L V6 Gas OHV
1
 
1.125 In. Shallow Cup
4 Required
Package Quantity: 10
Dorman
AutoGrade
Boxed
 

Pontiac Firebird



3.8L V6 Gas OHV 1.125 In. Shallow Cup
4 Required
Package Quantity: 10
Dorman
AutoGrade
Boxed

1 Per Vehicle

1981

 

1980

 

1979

 

1978

 

1977

 

1981

 

1980

 

1979

 

1978

 

1977

 
Pontiac Grand LeMans

3.8L V6 Gas OHV
1
 
1.125 In. Shallow Cup
4 Required
Package Quantity: 10
Dorman
AutoGrade
Boxed
 

Pontiac Grand LeMans



3.8L V6 Gas OHV 1.125 In. Shallow Cup
4 Required
Package Quantity: 10
Dorman
AutoGrade
Boxed

1 Per Vehicle

1985

 

1984

 

1983

 

1982

 

1981

 

1980

 

1979

 

1978

 

1985

 

1984

 

1983

 

1982

 

1981

 

1980

 

1979

 

1978

 
Pontiac Grand Prix

3.8L V6 Gas OHV
1
 
1.125 In. Shallow Cup
4 Required
Package Quantity: 10
Dorman
AutoGrade
Boxed
 

Pontiac Grand Prix



3.8L V6 Gas OHV 1.125 In. Shallow Cup
4 Required
Package Quantity: 10
Dorman
AutoGrade
Boxed

1 Per Vehicle

1981

 

1980

 

1979

 

1978

 

1977

 

1981

 

1980

 

1979

 

1978

 

1977

 
Pontiac LeMans

3.8L V6 Gas OHV
1
 
1.125 In. Shallow Cup
4 Required
Package Quantity: 10
Dorman
AutoGrade
Boxed
 

Pontiac LeMans



3.8L V6 Gas OHV 1.125 In. Shallow Cup
4 Required
Package Quantity: 10
Dorman
AutoGrade
Boxed

1 Per Vehicle

1979

 

1978

 

1977

 

1979

 

1978

 

1977

 
Pontiac Phoenix

3.8L V6 Gas OHV
1
 
1.125 In. Shallow Cup
4 Required
Package Quantity: 10
Dorman
AutoGrade
Boxed
 

Pontiac Phoenix



3.8L V6 Gas OHV 1.125 In. Shallow Cup
4 Required
Package Quantity: 10
Dorman
AutoGrade
Boxed

1 Per Vehicle

1980

 

1979

 

1978

 

1977

 

1976

 

1980

 

1979

 

1978

 

1977

 

1976

 
Pontiac Sunbird

3.8L V6 Gas OHV
1
 
1.125 In. Shallow Cup
4 Required
Package Quantity: 10
Dorman
AutoGrade
Boxed
 

Pontiac Sunbird



3.8L V6 Gas OHV 1.125 In. Shallow Cup
4 Required
Package Quantity: 10
Dorman
AutoGrade
Boxed

1 Per Vehicle

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