Dorman Autograde Steel Cup Engine Expansion Plug 3/4 In for Ford GM Isuzu 555-012

Steel cup engine expansion plug 3/4 inch for Ford General Motors and Isuzu vehicles used to replace leaking or corroded factory freeze plugs.

Built to meet the manufacturer's design intent for reliable service using quality steel materials engineered for a precise fit and long-lasting durability in demanding engine environments.

Key Features

• Constructed from durable steel for resistance against corrosion and engine fluids
• Precise 3/4 inch diameter with 0.25 inch height for accurate sealing
• Direct replacement for original equipment part numbers across multiple brands
• Engineered to match OE form fit and function for specified applications
• Validated through testing to ensure consistent performance

Benefits

• Stops coolant leaks caused by worn or damaged factory expansion plugs
• Restores proper cooling system pressure to prevent engine overheating
• Reduces the risk of repeat repairs with robust material construction
• Ensures a secure seal that withstands thermal expansion and vibration
• Provides a cost-effective solution compared to dealer-only parts
• Backed by over a century of automotive expertise for peace of mind

Application

Ideal for mechanics and DIY enthusiasts repairing cooling systems on older Ford General Motors and Isuzu engines where original freeze plugs have failed due to rust or age.

Fitment Notes

• Compatible with select Ford models from 1962 to 2005
• Compatible with select General Motors models from 1953 to 1967
• Compatible with select Isuzu models from 1991 to 1992
• Verify specific engine block requirements before installation

Why Choose Dorman?

• Dorman parts are engineered as direct-fit replacements designed to match OE form fit and function helping ensure a smoother installation and reliable results

What's in the Box

• 10 Piece Set of Steel Cup Expansion Plugs

Item Dimensions

• 3.2 inches x 2.4 inches x 1.5 inches
• Weight: 0.2 lbs