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  2. Auto Parts
  3. Engine Components
  4. Hardware
  5. Engine Expansion Plug
  6. Dorman 555-030.1 for 1984

Dorman 555-030.1 Engine Expansion Plug
for 1984 (please select make/model)

Dorman 555-030.1 Engine Expansion Plug - 1984

Dorman
Brand:Dorman
Part Number: 555-030.1
UPC: 00019495794509
Weight: 0.05 lbs
Condition:New



Availability:
0 in Stock
 OUT OF STOCK

Product Information

Description:

EXP PLG STL CUP 1 5/8

This engine expansion 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 expansion 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:

Describe Type:
Cup Type
Material:
Steel
Maximum Diameter:
1.64 in.
Minimum Diameter:
1.63 in.
Package Contents:
Expansion Plug
American Motors Corp (AMC) #:
3144643
American Motors Corp (AMC) #:
733598
Chrysler #:
2121198
Chrysler #:
5203342
Chrysler #:
6033564
Chrysler #:
J3144643
General Motors #:
3826504
General Motors #:
3826505
General Motors #:
88891749
General Motors #:
94673017
Navistar #:
70128
Country of Origin:
CN

Select a vehicle to narrow Dorman 555-030.1 Engine Expansion Plug fitment info!

Last Updated: 09/15/2024

Years Vehicle Per Vehicle Fit NotesFitment Notes
Showing 100 fitments from page 2 of 2

1986

 

1985

 

1984

 

1983

 

1982

 

1981

 

1980

 

1979

 

1986

 

1985

 

1984

 

1983

 

1982

 

1981

 

1980

 

1979

 
GMC C3500

4.8L L6 Gas OHV,
5.7L V8 Gas OHV,
7.4L V8 Gas OHV
1
 
1.625 In.
As Req
Package Quantity: 1
Dorman
AutoGrade
Bagged
Packaging Type: Bag
Steel
 

GMC C3500



4.8L L6 Gas OHV,
5.7L V8 Gas OHV,
7.4L V8 Gas OHV 1.625 In.
As Req
Package Quantity: 1
Dorman
AutoGrade
Bagged
Packaging Type: Bag
Steel

1 Per Vehicle

1987

 

1986

 

1985

 

1984

 

1983

 

1982

 

1981

 

1980

 

1979

 

1978

 

1987

 

1986

 

1985

 

1984

 

1983

 

1982

 

1981

 

1980

 

1979

 

1978

 
GMC Caballero

5.0L V8 Gas OHV
1
 
1.625 In.
As Req
Package Quantity: 1
Dorman
AutoGrade
Bagged
Packaging Type: Bag
Steel
 

GMC Caballero



5.0L V8 Gas OHV 1.625 In.
As Req
Package Quantity: 1
Dorman
AutoGrade
Bagged
Packaging Type: Bag
Steel

1 Per Vehicle

1984

 

1983

 

1982

 

1981

 

1980

 

1984

 

1983

 

1982

 

1981

 

1980

 
GMC Caballero

3.8L V6 Gas OHV
1
 
1.625 In.
As Req
Package Quantity: 1
Dorman
AutoGrade
Bagged
Packaging Type: Bag
Steel
 

GMC Caballero



3.8L V6 Gas OHV 1.625 In.
As Req
Package Quantity: 1
Dorman
AutoGrade
Bagged
Packaging Type: Bag
Steel

1 Per Vehicle

1995

 

1994

 

1993

 

1992

 

1991

 

1990

 

1989

 

1988

 

1987

 

1986

 

1985

 

1984

 

1983

 

1982

 

1981

 

1980

 

1979

 

1995

 

1994

 

1993

 

1992

 

1991

 

1990

 

1989

 

1988

 

1987

 

1986

 

1985

 

1984

 

1983

 

1982

 

1981

 

1980

 

1979

 
GMC G1500

5.0L V8 Gas OHV
1
 
1.625 In.
As Req
Package Quantity: 1
Dorman
AutoGrade
Bagged
Packaging Type: Bag
Steel
 

GMC G1500



5.0L V8 Gas OHV 1.625 In.
As Req
Package Quantity: 1
Dorman
AutoGrade
Bagged
Packaging Type: Bag
Steel

1 Per Vehicle

1993

 

1992

 

1991

 

1990

 

1989

 

1988

 

1987

 

1986

 

1985

 

1984

 

1983

 

1982

 

1981

 

1980

 

1979

 

1993

 

1992

 

1991

 

1990

 

1989

 

1988

 

1987

 

1986

 

1985

 

1984

 

1983

 

1982

 

1981

 

1980

 

1979

 
GMC G1500

5.7L V8 Gas OHV
1
 
1.625 In.
As Req
Package Quantity: 1
Dorman
AutoGrade
Bagged
Packaging Type: Bag
Steel
 

GMC G1500



5.7L V8 Gas OHV 1.625 In.
As Req
Package Quantity: 1
Dorman
AutoGrade
Bagged
Packaging Type: Bag
Steel

1 Per Vehicle

1984

 

1983

 

1982

 

1981

 

1980

 

1979

 

1984

 

1983

 

1982

 

1981

 

1980

 

1979

 
GMC G1500

4.1L L6 Gas OHV
1
 
1.625 In.
As Req
Package Quantity: 1
Dorman
AutoGrade
Bagged
Packaging Type: Bag
Steel
 

GMC G1500



4.1L L6 Gas OHV 1.625 In.
As Req
Package Quantity: 1
Dorman
AutoGrade
Bagged
Packaging Type: Bag
Steel

1 Per Vehicle

1995

 

1994

 

1993

 

1992

 

1991

 

1990

 

1989

 

1988

 

1987

 

1986

 

1985

 

1984

 

1983

 

1982

 

1981

 

1995

 

1994

 

1993

 

1992

 

1991

 

1990

 

1989

 

1988

 

1987

 

1986

 

1985

 

1984

 

1983

 

1982

 

1981

 
GMC G2500

5.0L V8 Gas OHV
1
 
1.625 In.
As Req
Package Quantity: 1
Dorman
AutoGrade
Bagged
Packaging Type: Bag
Steel
 

GMC G2500



5.0L V8 Gas OHV 1.625 In.
As Req
Package Quantity: 1
Dorman
AutoGrade
Bagged
Packaging Type: Bag
Steel

1 Per Vehicle

1995

 

1994

 

1993

 

1992

 

1991

 

1990

 

1989

 

1988

 

1987

 

1986

 

1985

 

1984

 

1983

 

1982

 

1981

 

1980

 

1979

 

1995

 

1994

 

1993

 

1992

 

1991

 

1990

 

1989

 

1988

 

1987

 

1986

 

1985

 

1984

 

1983

 

1982

 

1981

 

1980

 

1979

 
GMC G2500

5.7L V8 Gas OHV
1
 
1.625 In.
As Req
Package Quantity: 1
Dorman
AutoGrade
Bagged
Packaging Type: Bag
Steel
 

GMC G2500



5.7L V8 Gas OHV 1.625 In.
As Req
Package Quantity: 1
Dorman
AutoGrade
Bagged
Packaging Type: Bag
Steel

1 Per Vehicle

1984

 

1983

 

1982

 

1981

 

1980

 

1979

 

1984

 

1983

 

1982

 

1981

 

1980

 

1979

 
GMC G2500

4.1L L6 Gas OHV
1
 
1.625 In.
As Req
Package Quantity: 1
Dorman
AutoGrade
Bagged
Packaging Type: Bag
Steel
 

GMC G2500



4.1L L6 Gas OHV 1.625 In.
As Req
Package Quantity: 1
Dorman
AutoGrade
Bagged
Packaging Type: Bag
Steel

1 Per Vehicle

1996

 

1995

 

1994

 

1993

 

1992

 

1991

 

1990

 

1989

 

1988

 

1987

 

1986

 

1985

 

1984

 

1983

 

1982

 

1981

 

1980

 

1979

 

1996

 

1995

 

1994

 

1993

 

1992

 

1991

 

1990

 

1989

 

1988

 

1987

 

1986

 

1985

 

1984

 

1983

 

1982

 

1981

 

1980

 

1979

 
GMC G3500

5.7L V8 Gas OHV
1
 
1.625 In.
As Req
Package Quantity: 1
Dorman
AutoGrade
Bagged
Packaging Type: Bag
Steel
 

GMC G3500



5.7L V8 Gas OHV 1.625 In.
As Req
Package Quantity: 1
Dorman
AutoGrade
Bagged
Packaging Type: Bag
Steel

1 Per Vehicle

1984

 

1983

 

1982

 

1984

 

1983

 

1982

 
GMC G3500

4.1L L6 Gas OHV
1
 
1.625 In.
As Req
Package Quantity: 1
Dorman
AutoGrade
Bagged
Packaging Type: Bag
Steel
 

GMC G3500



4.1L L6 Gas OHV 1.625 In.
As Req
Package Quantity: 1
Dorman
AutoGrade
Bagged
Packaging Type: Bag
Steel

1 Per Vehicle

1991

 

1990

 

1989

 

1988

 

1987

 

1986

 

1985

 

1984

 

1983

 

1982

 

1981

 

1980

 

1979

 

1978

 

1977

 

1976

 

1975

 

1974

 

1973

 

1972

 

1971

 

1970

 

1991

 

1990

 

1989

 

1988

 

1987

 

1986

 

1985

 

1984

 

1983

 

1982

 

1981

 

1980

 

1979

 

1978

 

1977

 

1976

 

1975

 

1974

 

1973

 

1972

 

1971

 

1970

 
GMC Jimmy

5.7L V8 Gas OHV
1
 
1.625 In.
As Req
Package Quantity: 1
Dorman
AutoGrade
Bagged
Packaging Type: Bag
Steel
 

GMC Jimmy



5.7L V8 Gas OHV 1.625 In.
As Req
Package Quantity: 1
Dorman
AutoGrade
Bagged
Packaging Type: Bag
Steel

1 Per Vehicle

1987

 

1986

 

1985

 

1984

 

1983

 

1982

 

1981

 

1980

 

1979

 

1978

 

1977

 

1987

 

1986

 

1985

 

1984

 

1983

 

1982

 

1981

 

1980

 

1979

 

1978

 

1977

 
GMC Jimmy

5.0L V8 Gas OHV
1
 
1.625 In.
As Req
Package Quantity: 1
Dorman
AutoGrade
Bagged
Packaging Type: Bag
Steel
 

GMC Jimmy



5.0L V8 Gas OHV 1.625 In.
As Req
Package Quantity: 1
Dorman
AutoGrade
Bagged
Packaging Type: Bag
Steel

1 Per Vehicle

1986

 

1985

 

1984

 

1983

 

1982

 

1981

 

1986

 

1985

 

1984

 

1983

 

1982

 

1981

 
GMC K1500

5.0L V8 Gas OHV
1
 
1.625 In.
As Req
Package Quantity: 1
Dorman
AutoGrade
Bagged
Packaging Type: Bag
Steel
 

GMC K1500



5.0L V8 Gas OHV 1.625 In.
As Req
Package Quantity: 1
Dorman
AutoGrade
Bagged
Packaging Type: Bag
Steel

1 Per Vehicle

1986

 

1985

 

1984

 

1983

 

1982

 

1981

 

1980

 

1979

 

1986

 

1985

 

1984

 

1983

 

1982

 

1981

 

1980

 

1979

 
GMC K1500

5.7L V8 Gas OHV
1
 
1.625 In.
As Req
Package Quantity: 1
Dorman
AutoGrade
Bagged
Packaging Type: Bag
Steel
 

GMC K1500



5.7L V8 Gas OHV 1.625 In.
As Req
Package Quantity: 1
Dorman
AutoGrade
Bagged
Packaging Type: Bag
Steel

1 Per Vehicle

1984

 

1983

 

1982

 

1981

 

1980

 

1979

 

1984

 

1983

 

1982

 

1981

 

1980

 

1979

 
GMC K1500

4.1L L6 Gas OHV
1
 
1.625 In.
As Req
Package Quantity: 1
Dorman
AutoGrade
Bagged
Packaging Type: Bag
Steel
 

GMC K1500



4.1L L6 Gas OHV 1.625 In.
As Req
Package Quantity: 1
Dorman
AutoGrade
Bagged
Packaging Type: Bag
Steel

1 Per Vehicle

1986

 

1985

 

1984

 

1983

 

1982

 

1981

 

1980

 

1979

 

1986

 

1985

 

1984

 

1983

 

1982

 

1981

 

1980

 

1979

 
GMC K1500 Suburban

5.7L V8 Gas OHV
1
 
1.625 In.
As Req
Package Quantity: 1
Dorman
AutoGrade
Bagged
Packaging Type: Bag
Steel
 

GMC K1500 Suburban



5.7L V8 Gas OHV 1.625 In.
As Req
Package Quantity: 1
Dorman
AutoGrade
Bagged
Packaging Type: Bag
Steel

1 Per Vehicle

1986

 

1985

 

1984

 

1983

 

1982

 

1981

 

1980

 

1979

 

1986

 

1985

 

1984

 

1983

 

1982

 

1981

 

1980

 

1979

 
GMC K2500

4.8L L6 Gas OHV,
5.7L V8 Gas OHV
1
 
1.625 In.
As Req
Package Quantity: 1
Dorman
AutoGrade
Bagged
Packaging Type: Bag
Steel
 

GMC K2500



4.8L L6 Gas OHV,
5.7L V8 Gas OHV 1.625 In.
As Req
Package Quantity: 1
Dorman
AutoGrade
Bagged
Packaging Type: Bag
Steel

1 Per Vehicle

1986

 

1985

 

1984

 

1983

 

1982

 

1981

 

1980

 

1979

 

1986

 

1985

 

1984

 

1983

 

1982

 

1981

 

1980

 

1979

 
GMC K2500 Suburban

5.7L V8 Gas OHV
1
 
1.625 In.
As Req
Package Quantity: 1
Dorman
AutoGrade
Bagged
Packaging Type: Bag
Steel
 

GMC K2500 Suburban



5.7L V8 Gas OHV 1.625 In.
As Req
Package Quantity: 1
Dorman
AutoGrade
Bagged
Packaging Type: Bag
Steel

1 Per Vehicle

1984

 

1984

 
GMC K2500 Suburban

4.8L L6 Gas OHV
1
 
1.625 In.
As Req
Package Quantity: 1
Dorman
AutoGrade
Bagged
Packaging Type: Bag
Steel
 

GMC K2500 Suburban



4.8L L6 Gas OHV 1.625 In.
As Req
Package Quantity: 1
Dorman
AutoGrade
Bagged
Packaging Type: Bag
Steel

1 Per Vehicle

1986

 

1985

 

1984

 

1983

 

1982

 

1981

 

1980

 

1979

 

1986

 

1985

 

1984

 

1983

 

1982

 

1981

 

1980

 

1979

 
GMC K3500

4.8L L6 Gas OHV,
5.7L V8 Gas OHV,
7.4L V8 Gas OHV
1
 
1.625 In.
As Req
Package Quantity: 1
Dorman
AutoGrade
Bagged
Packaging Type: Bag
Steel
 

GMC K3500



4.8L L6 Gas OHV,
5.7L V8 Gas OHV,
7.4L V8 Gas OHV 1.625 In.
As Req
Package Quantity: 1
Dorman
AutoGrade
Bagged
Packaging Type: Bag
Steel

1 Per Vehicle

1989

 

1988

 

1987

 

1986

 

1985

 

1984

 

1983

 

1982

 

1981

 

1980

 

1979

 

1989

 

1988

 

1987

 

1986

 

1985

 

1984

 

1983

 

1982

 

1981

 

1980

 

1979

 
GMC P2500

5.7L V8 Gas OHV
1
 
1.625 In.
As Req
Package Quantity: 1
Dorman
AutoGrade
Bagged
Packaging Type: Bag
Steel
 

GMC P2500



5.7L V8 Gas OHV 1.625 In.
As Req
Package Quantity: 1
Dorman
AutoGrade
Bagged
Packaging Type: Bag
Steel

1 Per Vehicle

1987

 

1986

 

1985

 

1984

 

1983

 

1982

 

1981

 

1980

 

1979

 

1987

 

1986

 

1985

 

1984

 

1983

 

1982

 

1981

 

1980

 

1979

 
GMC P2500

4.8L L6 Gas OHV
1
 
1.625 In.
As Req
Package Quantity: 1
Dorman
AutoGrade
Bagged
Packaging Type: Bag
Steel
 

GMC P2500



4.8L L6 Gas OHV 1.625 In.
As Req
Package Quantity: 1
Dorman
AutoGrade
Bagged
Packaging Type: Bag
Steel

1 Per Vehicle

1999

 

1998

 

1997

 

1996

 

1995

 

1994

 

1993

 

1992

 

1991

 

1990

 

1989

 

1988

 

1987

 

1986

 

1985

 

1984

 

1983

 

1982

 

1981

 

1980

 

1979

 

1999

 

1998

 

1997

 

1996

 

1995

 

1994

 

1993

 

1992

 

1991

 

1990

 

1989

 

1988

 

1987

 

1986

 

1985

 

1984

 

1983

 

1982

 

1981

 

1980

 

1979

 
GMC P3500

5.7L V8 Gas OHV,
7.4L V8 Gas OHV
1
 
1.625 In.
As Req
Package Quantity: 1
Dorman
AutoGrade
Bagged
Packaging Type: Bag
Steel
 

GMC P3500



5.7L V8 Gas OHV,
7.4L V8 Gas OHV 1.625 In.
As Req
Package Quantity: 1
Dorman
AutoGrade
Bagged
Packaging Type: Bag
Steel

1 Per Vehicle

1989

 

1988

 

1987

 

1986

 

1985

 

1984

 

1983

 

1982

 

1981

 

1980

 

1979

 

1989

 

1988

 

1987

 

1986

 

1985

 

1984

 

1983

 

1982

 

1981

 

1980

 

1979

 
GMC P3500

4.8L L6 Gas OHV
1
 
1.625 In.
As Req
Package Quantity: 1
Dorman
AutoGrade
Bagged
Packaging Type: Bag
Steel
 

GMC P3500



4.8L L6 Gas OHV 1.625 In.
As Req
Package Quantity: 1
Dorman
AutoGrade
Bagged
Packaging Type: Bag
Steel

1 Per Vehicle

1989

 

1988

 

1987

 

1986

 

1985

 

1984

 

1983

 

1989

 

1988

 

1987

 

1986

 

1985

 

1984

 

1983

 
Plymouth Gran Fury

5.2L V8 Gas OHV
1
 
1.625 In.
As Req
Package Quantity: 1
Dorman
AutoGrade
Bagged
Packaging Type: Bag
Steel
 

Plymouth Gran Fury



5.2L V8 Gas OHV 1.625 In.
As Req
Package Quantity: 1
Dorman
AutoGrade
Bagged
Packaging Type: Bag
Steel

1 Per Vehicle

1990

 

1989

 

1988

 

1987

 

1986

 

1985

 

1984

 

1983

 

1982

 

1981

 

1990

 

1989

 

1988

 

1987

 

1986

 

1985

 

1984

 

1983

 

1982

 

1981

 
Plymouth Horizon

2.2L L4 Gas SOHC
1
 
1.625 In.
As Req
Package Quantity: 1
Dorman
AutoGrade
Bagged
Packaging Type: Bag
Steel
 

Plymouth Horizon



2.2L L4 Gas SOHC 1.625 In.
As Req
Package Quantity: 1
Dorman
AutoGrade
Bagged
Packaging Type: Bag
Steel

1 Per Vehicle

1989

 

1988

 

1987

 

1986

 

1985

 

1984

 

1983

 

1982

 

1981

 

1989

 

1988

 

1987

 

1986

 

1985

 

1984

 

1983

 

1982

 

1981

 
Plymouth Reliant

2.2L L4 Gas SOHC
1
 
1.625 In.
As Req
Package Quantity: 1
Dorman
AutoGrade
Bagged
Packaging Type: Bag
Steel
 

Plymouth Reliant



2.2L L4 Gas SOHC 1.625 In.
As Req
Package Quantity: 1
Dorman
AutoGrade
Bagged
Packaging Type: Bag
Steel

1 Per Vehicle

1987

 

1986

 

1985

 

1984

 

1987

 

1986

 

1985

 

1984

 
Plymouth Voyager

2.2L L4 Gas SOHC
1
 
1.625 In.
As Req
Package Quantity: 1
Dorman
AutoGrade
Bagged
Packaging Type: Bag
Steel
 

Plymouth Voyager



2.2L L4 Gas SOHC 1.625 In.
As Req
Package Quantity: 1
Dorman
AutoGrade
Bagged
Packaging Type: Bag
Steel

1 Per Vehicle

1986

 

1985

 

1984

 

1983

 

1986

 

1985

 

1984

 

1983

 
Pontiac Bonneville

5.0L V8 Gas OHV
1
 
1.625 In.
As Req
Package Quantity: 1
Dorman
AutoGrade
Bagged
Packaging Type: Bag
Steel
 

Pontiac Bonneville



5.0L V8 Gas OHV 1.625 In.
As Req
Package Quantity: 1
Dorman
AutoGrade
Bagged
Packaging Type: Bag
Steel

1 Per Vehicle

1992

 

1991

 

1990

 

1989

 

1988

 

1987

 

1986

 

1985

 

1984

 

1983

 

1982

 

1981

 

1980

 

1979

 

1978

 

1977

 

1992

 

1991

 

1990

 

1989

 

1988

 

1987

 

1986

 

1985

 

1984

 

1983

 

1982

 

1981

 

1980

 

1979

 

1978

 

1977

 
Pontiac Firebird

5.0L V8 Gas OHV
1
 
1.625 In.
As Req
Package Quantity: 1
Dorman
AutoGrade
Bagged
Packaging Type: Bag
Steel
 

Pontiac Firebird



5.0L V8 Gas OHV 1.625 In.
As Req
Package Quantity: 1
Dorman
AutoGrade
Bagged
Packaging Type: Bag
Steel

1 Per Vehicle

1987

 

1986

 

1985

 

1984

 

1983

 

1987

 

1986

 

1985

 

1984

 

1983

 
Pontiac Grand Prix

5.0L V8 Gas OHV
1
 
1.625 In.
As Req
Package Quantity: 1
Dorman
AutoGrade
Bagged
Packaging Type: Bag
Steel
 

Pontiac Grand Prix



5.0L V8 Gas OHV 1.625 In.
As Req
Package Quantity: 1
Dorman
AutoGrade
Bagged
Packaging Type: Bag
Steel

1 Per Vehicle

1986

 

1985

 

1984

 

1983

 

1986

 

1985

 

1984

 

1983

 
Pontiac Parisienne

5.0L V8 Gas OHV
1
 
1.625 In.
As Req
Package Quantity: 1
Dorman
AutoGrade
Bagged
Packaging Type: Bag
Steel
 

Pontiac Parisienne



5.0L V8 Gas OHV 1.625 In.
As Req
Package Quantity: 1
Dorman
AutoGrade
Bagged
Packaging Type: Bag
Steel

1 Per Vehicle

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