Dorman Autograde Steel Cup Engine Expansion Plug 30.25mm for 1968-2012 Vehicles 555-100

Steel cup engine expansion plug 30.25mm used to replace worn or leaking freeze plugs on 1968 to 2012 vehicles.

Built to meet the manufacturer's design intent for reliable service using quality steel materials engineered for dependable performance and a precise fit.

Key Features

• Constructed from durable steel for long-lasting protection against coolant leaks
• Precise diameter of 30.25mm with a height of 0.301 inches
• Direct replacement for original equipment expansion plugs
• Validated through testing to ensure proper form fit and function
• Compatible with multiple OEM part numbers across major brands

Benefits

• Restores engine cooling system integrity by sealing potential leak points
• Prevents costly engine damage caused by frozen or corroded plugs
• Ensures a secure fit that matches original factory specifications
• Reduces the risk of repeat repairs with trustworthy aftermarket quality
• Provides a cost-effective solution for maintaining vehicle reliability

Application

Ideal for mechanics and DIY enthusiasts repairing cooling systems on older and modern vehicles requiring a 30.25mm steel cup plug to stop leaks or replace corroded components.

Fitment Notes

• Designed to fit various models from 1968 to 2012 including select Nissan Toyota Ford Mazda Honda and General Motors vehicles
• Cross-references OEM numbers such as 94241638 9641143000 and E7GZ6026A
• Verify specific vehicle compatibility using the part number 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 and over a century of automotive experience
• Built with quality materials to stand up to daily driving demands

What's in the Box

• 10 PC

Item Dimensions

• 3.2in x 2.4in x 1.5in 0.3lbs