Dorman Autograde Steel Cup Engine Expansion Plug 1-9/16 Inch for Chrysler Ford GM 555-029

Steel cup engine expansion plug 1-9/16 inch diameter for 1953-2005 Chrysler Ford and General Motors vehicles used to replace leaking or corroded factory core plugs.

Built to meet the manufacturer's design intent for reliable service, this plug is constructed from durable steel to withstand engine pressures and resist corrosion over time.

Key Features

• Constructed from high-quality steel for long-lasting durability
• Precise 1-9/16 inch diameter with 0.380 inch height
• Engineered to match original equipment form and function
• Direct fit replacement for specified Chrysler Ford and GM models
• Validated through testing to ensure dependable performance
• Sold as a 10-piece pack for multiple replacements

Benefits

• Stops coolant leaks caused by worn or failed expansion plugs
• Restores engine cooling system integrity and pressure
• Reduces risk of repeat repairs with robust material construction
• Ensures proper sealing without modification during installation
• Provides cost-effective solution for fleet or shop inventory
• Backed by over a century of automotive expertise

Application

Ideal for mechanics and DIY enthusiasts repairing cooling system leaks on vintage and modern engines from Chrysler Ford and General Motors requiring a 1-9/16 inch core plug.

Fitment Notes

• Compatible with select Chrysler models from 1966 to 1971
• Compatible with select Ford Motor Company models from 1958 to 2005
• Compatible with select General Motors models from 1953 to 2005
• Replaces OEM numbers including J1351916 D1FZ6026C and 25513255

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
• Strong focus on fit durability and dependable performance helps ensure smoother installation

What's in the Box

• 10 pieces of Steel Cup Expansion Plugs

Item Dimensions

• 3.7 inches x 2.4 inches x 2.2 inches
• Weight: 0.6 lbs