Dorman Autograde Steel Cup Expansion Plug 36.5mm for American Motors Chrysler Porsche Volkswagen Volvo 555-103

Steel cup expansion plug 36.5mm for American Motors Chrysler Porsche Volkswagen Volvo used to replace worn or leaking factory engine plugs.

Built to meet the manufacturer's design intent for reliable service. This component is crafted from quality steel materials and engineered to match the original part's fit and function for dependable performance.

Key Features

• Constructed from durable steel for long-lasting use
• Precise 36.5mm diameter with 0.410 inch height
• Direct replacement for specified OEM part numbers
• Validated through testing for daily driving demands
• Sold as a 10 piece bulk pack for multiple repairs
• Backed by over a century of automotive experience

Benefits

• Restores engine integrity by sealing coolant leaks effectively
• Reduces the risk of repeat repairs with robust materials
• Ensures smoother installation with OE form and fit
• Provides a cost-effective solution for fleet or shop use
• Helps maintain proper engine operating temperatures
• Delivers confidence with trustworthy quality standards

Application

Ideal for mechanics and DIY enthusiasts repairing cooling system leaks on vintage and modern vehicles including American Motors, Chrysler, Porsche, Volkswagen, and Volvo models. Commonly used during engine overhauls or when replacing corroded freeze plugs.

Fitment Notes

• Compatible with American Motors 1977-1982
• Compatible with Chrysler 1978-1983
• Compatible with Porsche 1980-1982
• Compatible with Volkswagen 1973-1999
• Compatible with Volvo 1980-1986
• Verify vehicle compatibility using part number 555-103 before purchase

Why Choose Dorman - Autograde?

• Choosing Dorman aftermarket replacement parts is a smart way to restore your vehicle with confidence thanks to a strong focus on fit durability and dependable performance

What's in the Box

• 10 PC

Item Dimensions

• 3.7in x 2.4in x 2.2in, 0.5lbs