Dorman Autograde Steel Cup Engine Expansion Plug 1-45/64 Inch for Chrysler Ford GM 555-033

Steel cup engine expansion plug 1-45/64 inch for Chrysler Ford and General Motors vehicles used to replace worn or leaking factory core plugs.

Built to meet the manufacturer's design intent for reliable service. This plug is constructed from quality steel materials and engineered to match the original equipment form, fit, and function for a secure seal in the engine block.

Key Features

• Material: High-quality steel construction for durability
• Size: 1-45/64 Inch outer diameter with 0.270 inch height
• Type: Cup style expansion plug designed for engine blocks
• Compatibility: Fits select Chrysler, Ford, and General Motors models
• Package Quantity: Includes 10 pieces per box
• Part Number: 555-033 by Dorman Autograde

Benefits

• Restores engine integrity by sealing coolant passages effectively
• Prevents coolant leaks that can lead to overheating issues
• Direct fit replacement reduces installation time and effort
• Durable steel build resists corrosion and wear over time
• Cost-effective solution compared to dealer-priced OEM parts
• Backed by over a century of automotive aftermarket experience

Application

Ideal for mechanics and DIY enthusiasts repairing engine coolant leaks on older Chrysler vehicles from 1957 to 1984, Ford models from 1965 to 2005, and General Motors cars from 1953 to 1967. Commonly used during engine rebuilds or when addressing external coolant seepage.

Fitment Notes

• Compatible with Chrysler models manufactured between 1957 and 1984
• Compatible with Ford Motor Company vehicles from 1965 to 2005
• Compatible with General Motors vehicles from 1953 to 1967
• Replaces OEM numbers including 2406575, C5AZ6026B, C5AZ6026F, and 1343469

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
• Strong focus on fit, durability, and dependable performance helps reduce the risk of repeat repairs
• Supported by a team of product experts in the United States with more than a century of automotive experience

What's in the Box

• 10 x Steel Cup Engine Expansion Plugs

Item Dimensions

• Length: 3.7 inches
• Width: 2.4 inches
• Height: 2.2 inches
• Weight: 0.6 lbs