Dorman Autograde Steel Cup Expansion Plug 7/16 In with 0.250 In Height for Jeep Lincoln Renault 555-002

Steel cup expansion plug 7/16 inch with 0.250 inch height for 1972 to 1987 Jeep Lincoln and Renault engines used to replace worn or leaking factory core plugs.

Built to meet the manufacturer's design intent for reliable service. This engine expansion plug is constructed from quality steel materials and engineered to match the original part's fit and function on specified vehicles.

Key Features

• Material: Steel construction for durability
• Size: 7/16 inch diameter with 0.250 inch height
• Type: Cup style engine expansion plug
• Design: Direct fit replacement for specified applications
• Quantity: Sold as a 10 piece pack
• Part Number: 555-002

Benefits

• Restores engine sealing to prevent coolant leaks
• Matches OE form and function for easier installation
• Quality materials help reduce the risk of repeat repairs
• Validated through testing for daily driving demands
• Cost-effective solution for engine maintenance
• Backed by over a century of automotive experience

Application

Ideal for mechanics and DIY enthusiasts repairing cooling system leaks on older Jeep, Lincoln, and Renault vehicles. Commonly used during engine rebuilds or when replacing corroded factory core plugs to ensure proper coolant containment.

Fitment Notes

• Compatible with select 1985-1987 Jeep models
• Compatible with select 1984 Lincoln models
• Compatible with select 1972-1976 Renault models
• Verify vehicle compatibility using part number 555-002 before purchase

Why Choose Dorman - Autograde?

• Dorman parts are engineered as direct-fit replacements designed to match OE form, fit, and function
• Strong focus on fit, durability, and dependable performance
• Built with quality materials and validated through testing
• Trustworthy quality backed by a team of product experts in the United States

What's in the Box

• 10 Piece Pack of Steel Cup Expansion Plugs

Item Dimensions

• Package Length: 3.2 inches
• Package Width: 2.4 inches
• Package Height: 1.5 inches
• Weight: 0.1 lbs