Dorman 555-029 | Engine Core Plug

Part Number
555-029
Steel Cup Expansion Plug 1-9/16 In., Height 0.380

Fits: Buick Century, Buick Electra, Buick Gran Sport, Buick Invicta, Buick LaCrosse, Buick LeSabre, Buick Limited, Buick Park Avenue, Buick Reatta, Buick Regal, Buick Riviera, Buick Roadmaster, Buick Skyhawk, Buick Skylark, Buick Somerset, Buick Somerset Regal, Buick Special, Buick Sportwagon, Buick Super, Buick Wildcat, Cadillac DeVille, Cadillac Eldorado, Cadillac Fleetwood, Cadillac Seville, Chevrolet Camaro, Chevrolet Caprice, Chevrolet El Camino, Chevrolet Impala, Chevrolet Lumina, Chevrolet Lumina APV, Chevrolet Malibu, Chevrolet Monte Carlo, Chevrolet Monza, Ford Aerostar, Ford Bronco, Ford Bronco II, Ford Country Sedan, Ford Country Squire, Ford Courier, 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

Special Price $13.00 Regular Price $16.99
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Estimated Ship Date: 1 Business Day or Less

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:


  • Durable construction - this part is made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality - backed by team of product experts in the United States and more than a century of automotive experience
  • Steel Cup Expansion Plug 1-9/16 In., Height 0.380
  • Engine, Expansion, Plug, Plugs
  • Chrysler 1971-66, Ford Motor Company 2005-58, General Motors 2005-75, General Motors 1967-53
  • 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


SPECIFICS:


Describe TypeCup Type
MaterialSteel
Maximum Diameter1.58
Minimum Diameter1.567
Package ContentsExpansion Plug



DOWNLOADS:




INTERCHANGE:


  • PIONEER: EPS-171
  • Ford: D1FZ6026C
  • General Motors: 9427467

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.
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Compatible Vehicles

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Engine
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