Dorman Autograde Steel Cup Engine Expansion Plug 2-1/4 In for Ford Lincoln Mercury 555-084

Steel cup engine expansion plug 2-1/4 inch diameter for Ford Lincoln and Mercury vehicles used to replace worn or leaking original plugs.

Built to meet the manufacturer's design intent for reliable service. This plug is constructed from quality steel materials and engineered to match the fit and function of the original part on specified vehicles, ensuring a secure seal against coolant leaks.

Key Features

• Constructed from durable steel for long-lasting performance
• Dimensions: 2-1/4 inch diameter with 0.370 inch height
• Designed as a direct-fit replacement for specified Ford Lincoln and Mercury engines
• Engineered to match OE form fit and function
• Backed by over a century of automotive experience
• Sold as a 10-piece pack for multiple replacements

Benefits

• Restores proper sealing to prevent coolant leaks and overheating
• Reduces the risk of repeat repairs with trustworthy quality materials
• Ensures smoother installation with precise OE-matching dimensions
• Provides a cost-effective solution for engine maintenance
• Helps maintain optimal engine operating temperature
• Offers peace of mind with US-based product expert support

Application

Ideal for mechanics and DIY enthusiasts repairing cooling system leaks on older Ford Lincoln and Mercury engines. Commonly used during engine rebuilds or when addressing corrosion in freeze plug locations.

Fitment Notes

• Compatible with select Ford models from 1965 to 2005
• Compatible with select Lincoln models from 1977 to 1980
• Compatible with select Mercury models from 1969 to 2005
• Replaces part number Ford C5AZ6266B and Pioneer EPS-175

Why Choose Dorman - Autograde?

• Choosing Dorman aftermarket replacement parts is a smart way to restore your vehicle with confidence thanks to a strong focus on fit durability and dependable performance. Dorman parts are engineered as direct-fit replacements designed to match OE form fit and function helping ensure a smoother installation and reliable results. Built with quality materials and validated through testing they're made to stand up to daily driving demands and help reduce the risk of repeat repairs. For a long-lasting fix you can trust Dorman delivers proven aftermarket solutions that keep your vehicle operating the way it should.

What's in the Box

• 10 PC Steel Cup Expansion Plugs

Item Dimensions

• 4.9in x 3.7in x 2.2in 1.0lbs