Dorman Autograde Steel Cup Expansion Plug 2-3/16 Inch for Ford Lincoln Mazda Mercury 555-051

Steel cup expansion plug 2-3/16 inch for Ford Lincoln Mazda and Mercury engines used to replace leaking or corroded factory freeze plugs.

Built to meet the manufacturer's design intent for reliable service. This component is constructed from quality steel materials and engineered to match the original equipment form, fit, and function for a secure seal within the engine block.

Key Features

• Constructed from durable steel for long-lasting performance
• Precise 2-3/16 inch diameter with 0.360 inch height
• Designed as a direct replacement for specified OEM part numbers
• Manufactured by Dorman Autograde with over a century of automotive experience
• Validated through testing to ensure dependable operation

Benefits

• Restores engine cooling system integrity by sealing leaks effectively
• Prevents coolant loss and potential engine overheating issues
• Matches OE specifications for a straightforward installation process
• Reduces the risk of repeat repairs caused by inferior materials
• Provides a cost-effective solution compared to dealer parts

Application

Ideal for automotive technicians and DIY mechanics repairing cooling system leaks on older Ford, Lincoln, Mazda, and Mercury vehicles. Commonly used during engine rebuilds or when addressing corrosion in the engine block.

Fitment Notes

• Compatible with select Ford models from 1962 to 2004
• Compatible with select Lincoln models from 1977 to 1992
• Compatible with select Mazda models from 1991 to 2000
• Compatible with select Mercury models from 1962 to 2002
• Verify vehicle compatibility using part numbers C5AZ6266A, E7DZ6026C, or ZZL110327 before purchase

Why Choose Dorman - Autograde?

• Dorman parts are engineered as direct-fit replacements designed to match OE form, fit, and function
• Backed by a team of product experts in the United States
• Built with quality materials to stand up to daily driving demands
• Offers proven aftermarket solutions to keep your vehicle operating correctly

What's in the Box

• 10 Piece Set of Steel Cup Expansion Plugs

Item Dimensions

• Length: 4.9 inches
• Width: 3.7 inches
• Height: 2.2 inches
• Weight: 0.9 lbs