Dorman Autograde Concave Steel Cup Expansion Plug 1-3/8 Inch for Engine Block Repair 550-019

Concave steel cup expansion plug 1-3/8 inch designed to replace worn or leaking factory engine plugs on compatible Chrysler and Toyota vehicles.

Built to meet the manufacturer's design intent for reliable service, this plug is constructed from quality steel materials to ensure a secure seal and long-lasting durability against engine fluids and pressure.

Key Features

• Constructed from durable steel for corrosion resistance
• Concave cup design matches original equipment specifications
• Diameter measures 1-3/8 inches with a height of 1.370 inches
• Engineered as a direct-fit replacement for specified applications
• Validated through testing to ensure proper form and function
• Sold as a 10-piece pack for multiple replacements or inventory

Benefits

• Stops coolant or oil leaks caused by failed expansion plugs
• Restores engine block integrity with precise OE-style fitment
• Reduces the risk of repeat repairs through robust material selection
• Simplifies installation with dimensions matching factory parts
• Provides cost-effective solution compared to dealer-only options
• Ensures peace of mind with Dorman's century of automotive experience

Application

Ideal for mechanics and DIY enthusiasts performing engine block repairs, coolant system overhauls, or preventative maintenance on vehicles requiring a 1-3/8 inch concave plug.

Fitment Notes

• Compatible with select Chrysler models using part number 117923
• Compatible with select Toyota models using part number 9641243500
• Direct replacement for Pioneer part numbers EP-12 and EP12-25
• Verify vehicle compatibility using part number 550-019 before purchase

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 Pack of Concave Steel Cup Expansion Plugs

Item Dimensions

• Package Length: 3.2 inches
• Package Width: 2.4 inches
• Package Height: 1.5 inches
• Package Weight: 0.4 lbs