Dorman Autograde Steel Cup Expansion Plug 15/16 In with 0.380 In Height for GMC Pontiac Toyota 555-016

Steel cup expansion plug 15/16 inch diameter with 0.380 inch height for GMC Pontiac and Toyota engines used to replace worn or leaking factory core plugs.

Built to meet the manufacturer's design intent for reliable service. This engine expansion plug is constructed from quality steel materials and engineered to match the fit and function of the original part on specified vehicles.

Key Features

• Constructed from durable steel for long-lasting performance
• Precise 15/16 inch diameter with 0.380 inch height
• Designed to match OE form fit and function
• Validated through testing for daily driving demands
• Sold as a 10 piece bulk pack for multiple replacements
• Direct fit replacement for specified GM and Toyota models

Benefits

• Restores engine sealing to prevent coolant or oil leaks
• Reduces the risk of repeat repairs with trustworthy quality
• Ensures smoother installation with exact OE specifications
• Provides cost-effective solution with multi-pack quantity
• Backed by over a century of automotive experience
• Helps maintain proper engine operating temperature

Application

Ideal for automotive technicians and DIY mechanics performing engine block maintenance on vintage GMC trucks from 1955 to 1967 classic Pontiac vehicles from 1955 to 1957 and Toyota models ranging from 1969 to 1992.

Fitment Notes

• Compatible with GMC vehicles from 1955 to 1967
• Compatible with Pontiac vehicles from 1955 to 1957
• Compatible with Toyota vehicles from 1969 to 1992
• Replaces General Motors part numbers 2381541 518170 2381542 and 3788418
• Replaces Toyota part numbers 9034454003 and 9033024013

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 Steel Cup Expansion Plugs

Item Dimensions

• 3.2in x 2.4in x 1.5in
• Weight: 0.2lbs