Dorman Autograde Steel Cup Expansion Plug 2-1/64 In for 1955-1957 Chevrolet 555-046

Steel cup expansion plug 2-1/64 inch for 1955-1957 Chevrolet engines used to replace worn or leaking camshaft plugs.

Built to meet the manufacturer's design intent for reliable service, this plug is constructed from quality steel materials to ensure a secure fit and long-lasting durability in demanding engine environments.

Key Features

• Constructed from durable steel for resistance against corrosion and wear
• Precise 2-1/64 inch diameter with 0.250 inch height for accurate sealing
• Engineered to match original equipment form, fit, and function
• Designed specifically for engine camshaft applications
• Backed by over a century of automotive industry experience

Benefits

• Prevents oil leaks and maintains proper engine pressure
• Reduces the risk of repeat repairs with trustworthy quality
• Ensures smoother installation as a direct-fit replacement
• Helps restore vehicle reliability for daily driving demands
• Provides a cost-effective solution compared to dealer parts

Application

Ideal for classic car restorers and mechanics repairing 1955 to 1957 Chevrolet vehicles that require replacement of failed or corroded camshaft expansion plugs to stop leaks.

Fitment Notes

• Compatible with 1955-1957 Chevrolet models requiring 2-1/64 inch plugs
• Replaces General Motors part number 3704794 and Pioneer EPS-83

Why Choose Dorman - Autograde?

• Dorman parts are engineered as direct-fit replacements designed to match OE form, fit, and function, helping ensure a smoother installation and reliable results while standing up to daily driving demands.

What's in the Box

• 10 PC

Item Dimensions

• 4.9in x 3.7in x 2.2in, 0.7lbs