Dorman 555-084 | Engine Core Plug

Part Number

555-084

Steel Cup Expansion Plug 2-1/4 In., Height 0.370

Fits: Ford Aerostar, Ford Bronco, Ford Club Wagon, Ford Country Sedan, Ford Country Squire, Ford Custom, Ford Custom 500, Ford E-100 Econoline, Ford E-100 Econoline Club Wagon, Ford E-150 Econoline, Ford E-150 Econoline Club Wagon, Ford E-200 Econoline, Ford E-250 Econoline, Ford E-250 Econoline Club Wagon, Ford E-300 Econoline, Ford E-350 Econoline, Ford E-350 Econoline Club Wagon, Ford Econoline, Ford Elite, Ford Escape, Ford Escort, Ford EXP, Ford F-100, Ford F-150, Ford F-250, Ford F-350, Ford Fairlane, Ford Freestyle, Ford Galaxie, Ford Galaxie 500, Ford Gran Torino, Ford Granada, Ford LTD, Ford LTD II, Ford Mustang, Ford P-350, Ford P-400, Ford P-500, Ford Probe, Ford Ranch Wagon, Ford Ranchero, Ford Ranger, Ford Taurus, Ford Tempo, Ford Thunderbird, Ford Torino, Ford Windstar, Lincoln Continental, Lincoln Mark V, Lincoln Mark VI, Lincoln Versailles, Mercury Colony Park

Special Price $20.29 Regular Price $24.28

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In stock

Only 3 left

Estimated Ship Date: 1 Business Day or Less

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Details

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.

BRAND: Dorman - Autograde

FEATURES:

Trustworthy quality - backed by team of product experts in the United States and more than a century of automotive experience
Steel Cup Expansion Plug 2-1/4 In., Height 0.370
Engine, Expansion, Plug, Plugs
Direct replacement - this engine expansion plug matches the fit and function of the factory part on specified years, makes and models
Ideal solution - this plug is a reliable replacement for an original part that is missing or has failed due to fatigue
Durable construction - this part is made from quality materials to ensure reliable performance and long service life
Ford 2005-86, Mercury 2005-86

SPECIFICS:

Describe Type	Cup Type
Material	Steel
Maximum Diameter	2.265
Minimum Diameter	2.251
Package Contents	Expansion Plug

DOWNLOADS:

INTERCHANGE:

PIONEER: EPS-175
Ford: C5AZ6266B

APPLICATIONS:

1990-1992 Ford Probe - Position: N/A

1 Required 2.25 In. Package Quantity: 10 Dorman - AutoGrade - Boxed Packaging Type: Box

1971-1981 Mercury Marquis - Position: N/A

2.25 In. Steel Cup .060 In. Oversized 1 Required Dorman - AutoGrade - Boxed Package Quantity: 10

1975-1976 Ford P-400 - Position: N/A

2.25 In. Steel Cup .060 In. Oversized 1 Required Dorman - AutoGrade - Boxed Package Quantity: 10

1980-1980 Lincoln Mark VI - Position: N/A

2.25 In. Steel Cup .060 In. Oversized 1 Required Dorman - AutoGrade - Boxed Package Quantity: 10

1977-1979 Ford LTD II - Position: N/A

2.25 In. Steel Cup .060 In. Oversized 1 Required Dorman - AutoGrade - Boxed Package Quantity: 10

1969-1979 Ford Ranchero - Position: N/A

2.25 In. Steel Cup .060 In. Oversized 1 Required Dorman - AutoGrade - Boxed Package Quantity: 10

1982-1988 Ford EXP - Position: N/A

2.25 In. Steel Cup .060 In. Oversized 1 Required Dorman - AutoGrade - Boxed Package Quantity: 10

1965-1974 Ford Galaxie 500 - Position: N/A

2.25 In. Steel Cup .060 In. Oversized 1 Required Dorman - AutoGrade - Boxed Package Quantity: 10

1968-1982 Ford LTD - Position: N/A

2.25 In. Steel Cup .060 In. Oversized 1 Required Dorman - AutoGrade - Boxed Package Quantity: 10

1973-1974 Ford Custom 500 - Position: N/A

2.25 In. Steel Cup .060 In. Oversized 1 Required V8 351CID 5.8L (5753cc) Dorman - AutoGrade - Boxed Package Quantity: 10

1975-1991 Ford E-250 Econoline Club Wagon - Position: N/A

2.25 In. Steel Cup .060 In. Oversized 1 Required Dorman - AutoGrade - Boxed Package Quantity: 10

1992-1994 Mercury Topaz - Position: N/A

1 Required 2.25 In. Package Quantity: 10 Dorman - AutoGrade - Boxed Packaging Type: Box

1975-1983 Ford E-100 Econoline Club Wagon - Position: N/A

2.25 In. Steel Cup .060 In. Oversized 1 Required Dorman - AutoGrade - Boxed Package Quantity: 10

1967-1967 Ford Club Wagon - Position: N/A

2.25 In. Steel Cup .060 In. Oversized 1 Required Dorman - AutoGrade - Boxed Package Quantity: 10

1967-1967 Ford Bronco - Position: N/A

2.25 In. Steel Cup .060 In. Oversized 1 Required Dorman - AutoGrade - Boxed Package Quantity: 10

1981-1990 Ford Escort - Position: N/A

2.25 In. Steel Cup .060 In. Oversized 1 Required Dorman - AutoGrade - Boxed Package Quantity: 10

1975-1983 Ford F-100 - Position: N/A

2.25 In. Steel Cup .060 In. Oversized 1 Required Dorman - AutoGrade - Boxed Package Quantity: 10

1975-1996 Ford E-150 Econoline Club Wagon - Position: N/A

2.25 In. Steel Cup .060 In. Oversized 1 Required Dorman - AutoGrade - Boxed Package Quantity: 10

1981-1987 Mercury Lynx - Position: N/A

2.25 In. Steel Cup .060 In. Oversized 1 Required Dorman - AutoGrade - Boxed Package Quantity: 10

1977-1996 Ford E-350 Econoline Club Wagon - Position: N/A

2.25 In. Steel Cup .060 In. Oversized 1 Required Dorman - AutoGrade - Boxed Package Quantity: 10

1975-1996 Ford F-350 - Position: N/A

2.25 In. Steel Cup .060 In. Oversized 1 Required Dorman - AutoGrade - Boxed Package Quantity: 10

1965-1967 Ford Galaxie - Position: N/A

2.25 In. Steel Cup .060 In. Oversized 1 Required Dorman - AutoGrade - Boxed Package Quantity: 10

1993-1998 Mercury Villager - Position: N/A

1 Required 2.25 In. Package Quantity: 10 Dorman - AutoGrade - Boxed Packaging Type: Box

2001-2005 Ford Escape - Position: N/A

1 Required 2.25 In. Package Quantity: 10 Dorman - AutoGrade - Boxed Packaging Type: Box

1975-1981 Mercury Grand Marquis - Position: N/A

2.25 In. Steel Cup .060 In. Oversized 1 Required Dorman - AutoGrade - Boxed Package Quantity: 10

1975-1996 Ford F-250 - Position: N/A

2.25 In. Steel Cup .060 In. Oversized 1 Required Dorman - AutoGrade - Boxed Package Quantity: 10

1968-1972 Ford Custom - Position: N/A

2.25 In. Steel Cup .060 In. Oversized 1 Required Dorman - AutoGrade - Boxed Package Quantity: 10

1969-1971 Mercury Cyclone - Position: N/A

2.25 In. Steel Cup .060 In. Oversized 1 Required Dorman - AutoGrade - Boxed Package Quantity: 10

1966-1966 Ford Custom - Position: N/A

2.25 In. Steel Cup .060 In. Oversized 1 Required Dorman - AutoGrade - Boxed Package Quantity: 10

2005-2005 Ford Freestyle - Position: N/A

1 Required 2.25 In. Package Quantity: 10 Dorman - AutoGrade - Boxed Packaging Type: Box

1969-1979 Mercury Cougar - Position: N/A

2.25 In. Steel Cup .060 In. Oversized 1 Required Dorman - AutoGrade - Boxed Package Quantity: 10

1992-1994 Ford Tempo - Position: N/A

1 Required 2.25 In. Package Quantity: 10 Dorman - AutoGrade - Boxed Packaging Type: Box

1975-1996 Ford E-150 Econoline - Position: N/A

2.25 In. Steel Cup .060 In. Oversized 1 Required Dorman - AutoGrade - Boxed Package Quantity: 10

1975-1996 Ford E-350 Econoline - Position: N/A

2.25 In. Steel Cup .060 In. Oversized 1 Required Dorman - AutoGrade - Boxed Package Quantity: 10

1969-1976 Mercury Montego - Position: N/A

2.25 In. Steel Cup .060 In. Oversized 1 Required Dorman - AutoGrade - Boxed Package Quantity: 10

2005-2005 Mercury Mariner - Position: N/A

1 Required 2.25 In. Package Quantity: 10 Dorman - AutoGrade - Boxed Packaging Type: Box

1975-1977 Ford P-500 - Position: N/A

2.25 In. Steel Cup .060 In. Oversized 1 Required Dorman - AutoGrade - Boxed Package Quantity: 10

2005-2005 Mercury Montego - Position: N/A

1 Required 2.25 In. Package Quantity: 10 Dorman - AutoGrade - Boxed Packaging Type: Box

1991-2005 Ford Ranger - Position: N/A

1 Required 2.25 In. Package Quantity: 10 Dorman - AutoGrade - Boxed Packaging Type: Box

1969-1970 Ford Fairlane - Position: N/A

2.25 In. Steel Cup .060 In. Oversized 1 Required Dorman - AutoGrade - Boxed Package Quantity: 10

1971-1974 Mercury Monterey - Position: N/A

2.25 In. Steel Cup .060 In. Oversized 1 Required Dorman - AutoGrade - Boxed Package Quantity: 10

1975-1996 Ford E-250 Econoline - Position: N/A

2.25 In. Steel Cup .060 In. Oversized 1 Required Dorman - AutoGrade - Boxed Package Quantity: 10

1973-1974 Ford Torino - Position: N/A

2.25 In. Steel Cup .060 In. Oversized 1 Required V8 351CID 5.8L (5752cc) Dorman - AutoGrade - Boxed Package Quantity: 10

1969-1973 Ford Mustang - Position: N/A

2.25 In. Steel Cup .060 In. Oversized 1 Required Dorman - AutoGrade - Boxed Package Quantity: 10

1982-1983 Mercury LN7 - Position: N/A

2.25 In. Steel Cup .060 In. Oversized 1 Required Dorman - AutoGrade - Boxed Package Quantity: 10

1972-1972 Ford Thunderbird - Position: N/A

2.25 In. Steel Cup .060 In. Oversized 1 Required Dorman - AutoGrade - Boxed Package Quantity: 10

1972-1976 Ford Gran Torino - Position: N/A

2.25 In. Steel Cup .060 In. Oversized 1 Required Dorman - AutoGrade - Boxed Package Quantity: 10

1969-1969 Mercury Comet - Position: N/A

2.25 In. Steel Cup .060 In. Oversized 1 Required Dorman - AutoGrade - Boxed Package Quantity: 10

1995-2000 Ford Windstar - Position: N/A

1 Required 2.25 In. Package Quantity: 10 Dorman - AutoGrade - Boxed Packaging Type: Box

1971-1974 Mercury Colony Park - Position: N/A

2.25 In. Steel Cup .060 In. Oversized 1 Required Dorman - AutoGrade - Boxed Package Quantity: 10

1965-1977 Ford Custom 500 - Position: N/A

2.25 In. Steel Cup .060 In. Oversized 1 Required Dorman - AutoGrade - Boxed Package Quantity: 10

1986-2005 Mercury Sable - Position: N/A

1 Required 2.25 In. Package Quantity: 10 Dorman - AutoGrade - Boxed Packaging Type: Box

1975-1996 Ford F-150 - Position: N/A

2.25 In. Steel Cup .060 In. Oversized 1 Required Dorman - AutoGrade - Boxed Package Quantity: 10

1969-1974 Ford E-300 Econoline - Position: N/A

2.25 In. Steel Cup .060 In. Oversized 1 Required Dorman - AutoGrade - Boxed Package Quantity: 10

1977-1977 Lincoln Versailles - Position: N/A

2.25 In. Steel Cup .060 In. Oversized 1 Required Dorman - AutoGrade - Boxed Package Quantity: 10

1977-1980 Lincoln Continental - Position: N/A

2.25 In. Steel Cup .060 In. Oversized 1 Required Dorman - AutoGrade - Boxed Package Quantity: 10

1969-1974 Ford E-200 Econoline - Position: N/A

2.25 In. Steel Cup .060 In. Oversized 1 Required Dorman - AutoGrade - Boxed Package Quantity: 10

1986-1997 Ford Aerostar - Position: N/A

1 Required 2.25 In. Package Quantity: 10 Dorman - AutoGrade - Boxed Packaging Type: Box

1965-1974 Ford Country Squire - Position: N/A

2.25 In. Steel Cup .060 In. Oversized 1 Required Dorman - AutoGrade - Boxed Package Quantity: 10

1977-1979 Lincoln Mark V - Position: N/A

2.25 In. Steel Cup .060 In. Oversized 1 Required Dorman - AutoGrade - Boxed Package Quantity: 10

1969-1983 Ford E-100 Econoline - Position: N/A

2.25 In. Steel Cup .060 In. Oversized 1 Required Dorman - AutoGrade - Boxed Package Quantity: 10

1986-1998 Ford Taurus - Position: N/A

1 Required 2.25 In. Package Quantity: 10 Dorman - AutoGrade - Boxed Packaging Type: Box

1969-1974 Ford Galaxie 500 - Position: N/A

2.25 In. Steel Cup .060 In. Oversized 1 Required V8 351CID 5.8L (5752cc) Dorman - AutoGrade - Boxed Package Quantity: 10

1972-1972 Ford E-300 Econoline - Position: N/A

2.25 In. Steel Cup .060 In. Oversized 1 Required L6 300CID 4.9L Dorman - AutoGrade - Boxed Package Quantity: 10

1969-1976 Ford Torino - Position: N/A

2.25 In. Steel Cup .060 In. Oversized 1 Required Dorman - AutoGrade - Boxed Package Quantity: 10

1975-1976 Ford Elite - Position: N/A

2.25 In. Steel Cup .060 In. Oversized 1 Required Dorman - AutoGrade - Boxed Package Quantity: 10

1965-1974 Ford Ranch Wagon - Position: N/A

2.25 In. Steel Cup .060 In. Oversized 1 Required Dorman - AutoGrade - Boxed Package Quantity: 10

1975-1977 Mercury Monarch - Position: N/A

2.25 In. Steel Cup .060 In. Oversized 1 Required Dorman - AutoGrade - Boxed Package Quantity: 10

1965-1974 Ford Country Sedan - Position: N/A

2.25 In. Steel Cup .060 In. Oversized 1 Required Dorman - AutoGrade - Boxed Package Quantity: 10

1977-1979 Ford Thunderbird - Position: N/A

2.25 In. Steel Cup .060 In. Oversized 1 Required Dorman - AutoGrade - Boxed Package Quantity: 10

1967-1967 Ford Econoline - Position: N/A

2.25 In. Steel Cup .060 In. Oversized 1 Required Dorman - AutoGrade - Boxed Package Quantity: 10

1975-1977 Ford Granada - Position: N/A

2.25 In. Steel Cup .060 In. Oversized 1 Required Dorman - AutoGrade - Boxed Package Quantity: 10

1978-1992 Ford Bronco - Position: N/A

2.25 In. Steel Cup .060 In. Oversized 1 Required Dorman - AutoGrade - Boxed Package Quantity: 10

1968-1976 Ford P-350 - Position: N/A

2.25 In. Steel Cup .060 In. Oversized 1 Required Dorman - AutoGrade - Boxed Package Quantity: 10

Product Questions (12)

Customer Questions

Will an engine flush clean my pistons?

No, an engine flush is unlikely to clean the pistons.

How to replace engine pistons?

Replacing engine pistons involves removing the engine from the vehicle, disassembling it, removing the pistons, inspecting the engine components, installing the new pistons, reassembling the engine, and testing it. It's a complex process that should only be attempted by experienced mechanics.

When do engine pistons rings go bad?

Engine piston rings can go bad due to wear and tear, inadequate lubrication, overheating, manufacturing defects, or improper installation. Symptoms of failing piston rings include reduced engine power, increased oil consumption, and blue smoke from the exhaust. Regular maintenance and inspection can help identify potential issues.

Why do engine piston rings fail?

Engine piston rings can fail due to wear and tear, inadequate lubrication, overheating, manufacturing defects, or improper installation. Regular maintenance and inspection of the engine can help identify potential issues. Symptoms of failing piston rings include reduced engine power, increased oil consumption, and blue smoke from the exhaust.

Can you replace engine pistons rings without removing the engine?

Replacing engine piston rings without removing the engine is possible but not recommended due to the extensive disassembly required and the risk of damaging other engine components. A full rebuild or overhaul is generally more efficient and effective.

Can I use Dorman parts to replace OEM parts?

Yes, Dorman parts can often be used as replacements for OEM parts, but it is important to carefully compare specifications and ensure compatibility.

How do I install Dorman shift linkage bushing?

To install a Dorman shift linkage bushing, first locate the old bushing and remove it if necessary. Apply lubricant to the Dorman bushing and slide it onto the shift linkage, tapping it into place with a soft tool until fully seated. Check the alignment and function of the shift linkage after installation.

Where is Dorman manufactured?

Dorman is a global automotive parts supplier with manufacturing facilities in the United States, Mexico, Canada, China, and India. Its headquarters and largest manufacturing facility are located in Colmar, Pennsylvania, USA.

Are oil pump gears necessary?

Yes, oil pump gears are essential for maintaining proper engine lubrication in an internal combustion engine.

How do oil pumps work?

Oil pumps work by creating pressure to circulate engine oil throughout an internal combustion engine.

Where is the oil pump located?

The oil pump is typically located inside the engine's lower oil pan or sump.

Why do oil pump failures happen?

Oil pump failures can arise from wear, contamination, poor maintenance, and manufacturing defects, causing inadequate lubrication and potential engine damage.