Dorman Autograde Brass Cup Expansion Plug 1-1/2 Inch for 1947-1950 Chevrolet GMC 565-028

Brass cup expansion plug 1-1/2 inch for 1947-1950 Chevrolet and GMC engines used to replace worn or leaking original freeze plugs.

Built to meet the manufacturer's design intent for reliable service using quality brass materials engineered for dependable performance in classic vehicle applications.

Key Features

• Constructed from durable brass for corrosion resistance
• Dimensions: 1-1/2 inch diameter with 0.420 inch height
• Designed to match original equipment form and fit
• Validated through testing for daily driving demands
• Sold as a 10-piece pack for complete engine service
• Direct replacement for Pioneer part number EPC-30-B

Benefits

• Restores proper sealing to prevent coolant leaks
• Reduces risk of repeat repairs with long-lasting materials
• Ensures smoother installation with precise OE specifications
• Helps maintain optimal engine operating temperature
• Provides confidence with over a century of automotive expertise
• Cost-effective solution for vintage vehicle maintenance

Application

Ideal for owners restoring or maintaining classic Chevrolet and GMC trucks and cars from the late 1940s and early 1950s requiring reliable engine block sealing components.

Fitment Notes

• Compatible with 1947-1950 Chevrolet models
• Compatible with 1950 GMC models
• Verify engine block requirements before installation

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
• Backed by a team of product experts in the United States and more than a century of automotive experience

What's in the Box

• 10 Piece set of brass cup expansion plugs

Item Dimensions

• Package: 3.7in x 2.4in x 2.2in
• Weight: 0.6lbs