Dorman Autograde Brass Cup Engine Expansion Plug 40.08mm for Reliable Sealing 565-095

Brass cup engine expansion plug 40.08mm by Dorman used to replace leaking or corroded factory freeze plugs in automotive engines.

Built to meet the manufacturer's design intent for reliable service, this plug is crafted from quality brass materials to ensure a tight seal and long-lasting durability against coolant exposure.

Key Features

• Constructed from high-quality brass for corrosion resistance
• Precise diameter of 40.08mm with 0.450 inch height
• Engineered to match original equipment form and fit
• Validated through rigorous testing for dependable performance
• Sold as a 10-piece pack for multiple replacements

Benefits

• Prevents costly coolant leaks and engine overheating
• Restores proper sealing integrity to the engine block
• Reduces risk of repeat repairs with durable materials
• Ensures smoother installation with direct-fit design
• Provides trusted quality backed by over a century of experience

Application

Ideal for mechanics and DIY enthusiasts performing engine rebuilds or cooling system repairs where original expansion plugs have failed due to rust or wear.

Fitment Notes

• Specific vehicle fitment not provided in manufacturer data
• Verify 40.08mm size requirement before purchase
• Compatible with applications requiring Pioneer EPC-212-B

Why Choose Dorman?

• 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
• Backed by a team of product experts in the United States

What's in the Box

• 10 Piece Brass Cup Expansion Plug Set

Item Dimensions

• 3.7in x 2.4in x 2.2in, 0.7lbs