Dorman 555-070 Engine Expansion Plug

Durable Steel Engine Core Plug for Ford, Lincoln, Mercury Vehicles

The Dorman 555-070 engine core plug is designed to provide reliable sealing for engine block openings in various Ford, Lincoln, and Mercury models. Crafted from steel, this cup-type expansion plug ensures a secure fit and long-lasting performance in demanding engine environments.

• Constructed from durable steel material for strength and corrosion resistance
• Cup-type design for effective sealing of engine block core holes
• Maximum diameter of 2.162 inches and minimum diameter of 2.147 inches for precise fitment
• Compatible with a wide range of Ford, Lincoln, and Mercury vehicles including Bronco, Mustang, Explorer, and more
• Part number 555-070 for easy identification and replacement

Detailed Product Description

The Dorman 555-070 engine core plug is engineered to replace worn or damaged expansion plugs in engine blocks. Made from steel, this cup-type plug offers a robust seal to prevent coolant or oil leaks through core holes left during the manufacturing process. With a maximum diameter of 2.162 inches and a minimum diameter of 2.147 inches, it fits precisely into the engine block openings of select Ford, Lincoln, and Mercury models. This plug is suitable for vehicles such as the Ford F-150, Lincoln Continental, Mercury Cougar, and many Econoline variants, ensuring compatibility across multiple engine types.

Common Applications and Issues Addressed

• Sealing engine block core holes to prevent coolant leaks
• Replacing corroded or damaged expansion plugs
• Maintaining engine block integrity and pressure
• Preventing oil contamination from external sources
• Ensuring proper engine cooling system function

Installation Notes and Tips

Before installing the Dorman 555-070 engine core plug, clean the core hole thoroughly to remove any debris or corrosion. Use a proper driver tool to press the plug evenly into the engine block to avoid damage. Verify the plug is seated flush with the block surface to ensure an effective seal. It is recommended to inspect surrounding areas for any additional wear or leaks during installation.

Quality Assurance and Warranty

Dorman engine core plugs are manufactured to meet or exceed OEM specifications, providing reliable performance and durability. The 555-070 part is backed by Dorman's quality standards, ensuring consistent fit and function for Ford, Lincoln, and Mercury vehicles. Warranty coverage details can be obtained from Dorman's official documentation.