Dorman Autograde Steel Cup Engine Expansion Plug 2-7/8 In with 0.410 In Height 555-112

Steel cup engine expansion plug 2-7/8 inch diameter with 0.410 inch height used to replace worn or leaking original plugs in automotive engines.

Built to meet the manufacturer's design intent for reliable service, this component is constructed from quality steel materials and engineered to match the fit and function of the original part on specified vehicles.

Key Features

• Constructed from durable steel for long-lasting performance
• Precise 2-7/8 inch outer diameter with 0.410 inch height
• Engineered to match OE form, fit, and function
• Designed by a team of product experts in the United States
• Backed by over a century of automotive experience
• Sold as a convenient 10-piece pack for multiple replacements

Benefits

• Restores engine sealing to prevent coolant or oil leaks
• Reduces the risk of repeat repairs through durable construction
• Ensures a smoother installation with direct-fit design
• Provides trustworthy quality for daily driving demands
• Offers cost-effective maintenance with multi-pack value
• Helps maintain proper engine operating temperatures

Application

This part is ideal for mechanics and DIY enthusiasts performing engine rebuilds, cooling system repairs, or routine maintenance where original expansion plugs have corroded or failed.

Fitment Notes

• Verify specific vehicle compatibility using the part number 555-112 before purchase
• Designed as a universal replacement for applications requiring these specific dimensions

Why Choose Dorman - Autograde?

• Dorman parts are engineered as direct-fit replacements designed to match OE form, fit, and function
• Built with quality materials and validated through testing to stand up to daily driving demands
• Offers a smart way to restore your vehicle with confidence in fit, durability, and dependable performance

What's in the Box

• 10 Piece Pack of Steel Cup Expansion Plugs

Item Dimensions

• Package Length: 5.5 inches
• Package Width: 4.0 inches
• Package Height: 2.3 inches
• Package Weight: 1.9 lbs