Dorman 555-120 Engine Cylinder Head Plug

Brand Dorman 555-120
Material Steel
Closed End Diameter 0.666 in
Open End Diameter (in) 0.666 in
Package Contents 10 steel expansion plugs
Fits —

OE direct replacement. Matches the fit and function of the original part.

Steel construction. Built from quality material for reliable performance.

Engine cylinder head plug. A direct-fit hardware piece for sealing engine openings.

Cross-references 80224000 and D0ZZ6026B for the same application. See all 2.

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Dorman 555-120 Engine Cylinder Head Plug

Dorman 555-120 is an engine cylinder head plug built to match the original part’s fit and function on specified vehicles. It uses steel construction for dependable sealing performance in the cylinder head area, where a precise fit matters.

Key Features

  • Steel construction for durable service in engine applications
  • 0.666 in closed-end diameter
  • 0.666 in open-end diameter
  • Engine cylinder head plug designed for OE-style fit and function
  • Direct replacement for specified vehicle applications

Detailed Description

This Dorman engine cylinder head plug, part number 555-120, is engineered as a direct replacement for the original plug used in select Ford applications. The steel body and matched 0.666 in diameters help support a secure fit in the cylinder head opening, making it a practical choice for engine repair work that calls for accurate dimensions and reliable sealing. This part cross-references Ford service numbers 80224000 and D0ZZ6026B for the same application.

Common Repair Uses

  • Replacing a leaking or corroded cylinder head plug
  • Restoring sealing at an engine block or cylinder head opening
  • Addressing coolant seepage caused by a worn expansion plug
  • Repairing engine hardware during cylinder head service

Installation Notes and Tips

Verify the opening diameter and seating surface before installation. Clean the bore thoroughly, remove corrosion or debris, and confirm the plug seats evenly to help achieve a proper seal. Because fitment is application-specific, confirm the vehicle listing before ordering Dorman 555-120 for your Ford repair.

Quality Assurance

Dorman designs this cylinder head plug to match original part fit and function on specified vehicles and manufactures it from quality materials for reliable performance.

This part fits 0 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
Directly replaces or cross-references 2 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
80224000D0ZZ6026B