Dorman Autograde Brass Cup Engine Expansion Plug 1-5/8 Inch with 0.460 Inch Height 565-031

Brass cup engine expansion plug 1-5/8 inch with 0.460 inch height used to replace worn or leaking freeze plugs in automotive engines.

Built to meet the manufacturer's design intent for reliable service, this plug is constructed from quality brass materials engineered to resist corrosion and provide a secure seal within the engine block.

Key Features

• Constructed from durable brass for long-lasting performance
• Precise 1-5/8 inch diameter with 0.460 inch height
• Designed to match original equipment form and function
• Engineered for reliable sealing in cooling systems
• Backed by over a century of automotive experience
• Validated through rigorous testing for durability

Benefits

• Restores engine cooling system integrity to prevent leaks
• Reduces the risk of repeat repairs with quality materials
• Ensures smoother installation with direct-fit design
• Helps maintain proper engine operating temperature
• Provides confidence with trustworthy aftermarket quality
• Offers a cost-effective solution compared to dealer parts

Application

Ideal for mechanics and DIY enthusiasts performing engine rebuilds or cooling system repairs where original freeze plugs have corroded or failed. Commonly used to seal coolant passages in various engine blocks requiring this specific brass cup size.

Fitment Notes

• Universal application for engines requiring 1-5/8 inch brass cup plugs
• Verify original part dimensions before installation to ensure compatibility
• Compatible with Pioneer part number EPS-126-B

Why Choose Dorman?

• Dorman parts are engineered as direct-fit replacements designed to match OE form, fit, and function
• Strong focus on fit, durability, and dependable performance restores vehicles with confidence
• Built with quality materials and validated through testing to stand up to daily driving demands
• Supported by a team of product experts in the United States

What's in the Box

• 10 Piece set of brass cup expansion plugs

Item Dimensions

• Package measures 3.7 inches x 2.4 inches x 2.2 inches
• Total package weight is 0.8 lbs