Dorman Autograde Steel Cup Engine Expansion Plug 2-1/8 Inch with 0.650 Inch Height 555-050

Steel cup engine expansion plug 2-1/8 inch diameter with 0.650 inch height used to replace worn or leaking factory plugs in automotive engines.

Built to meet the manufacturer's design intent for reliable service using quality steel materials engineered for dependable performance and long-term durability.

Key Features

• Constructed from durable steel for resistance against corrosion and wear
• Precise 2-1/8 inch outer diameter matches original equipment specifications
• 0.650 inch height ensures proper seating depth within the engine block
• Designed as a direct-fit replacement for specified vehicle applications
• Manufactured by Dorman with over a century of automotive expertise

Benefits

• Restores engine sealing integrity to prevent coolant or oil leaks
• Reduces the risk of repeat repairs through robust material construction
• Ensures smoother installation with OE-matched form and fit
• Provides trustworthy quality backed by product experts in the United States
• Helps maintain optimal engine operating temperatures by sealing cooling passages

Application

Ideal for mechanics and DIY enthusiasts performing engine rebuilds or repairing coolant leaks caused by failed expansion plugs in various automotive engines.

Fitment Notes

• Universal application for engines requiring a 2-1/8 inch steel cup plug
• Verify specific vehicle compatibility against original part dimensions before purchase

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 performance

What's in the Box

• 10 Piece Set of Steel Cup Expansion Plugs

Item Dimensions

• Package measures 5.5 inches by 4.0 inches by 2.3 inches weighing 1.0 pounds