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Dorman - Autograde

Dorman Autograde Steel Cup Expansion Plug 2-7/64 In with 0.310 In Height for 1958-2005 Vehicles 555-080

Dorman Autograde Steel Cup Expansion Plug 2-7/64 In with 0.310 In Height for 1958-2005 Vehicles 555-080

sku: 1MHBD | mpn: 555-080
$31.95
$31.95 $31.95
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Low stock: 7 left

Emissions

This is not an emissions item.
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Steel cup expansion plug 2-7/64 inch diameter with 0.310 inch height used to replace leaking or corroded engine camshaft plugs on 1958 to 2005 vehicles.

Built to meet the manufacturer's design intent for reliable service using quality steel materials engineered to match original equipment form and function for a secure fit.

Key Features

  • Constructed from durable steel for long-lasting performance
  • Precise 2-7/64 inch outer diameter and 0.310 inch height
  • Designed as a direct replacement for specified engine applications
  • Matches OE specifications for fit and function
  • Backed by over a century of automotive experience
  • Sold as a 10-piece pack for multiple replacements

Benefits

  • Stops oil leaks caused by worn or damaged expansion plugs
  • Restores engine integrity with a trustworthy seal
  • Reduces risk of repeat repairs through quality construction
  • Ensures smoother installation with direct-fit design
  • Provides cost-effective solution for fleet or shop use
  • Maintains proper engine pressure and lubrication

Application

Ideal for mechanics and DIY enthusiasts repairing engine block leaks on classic and modern vehicles requiring this specific plug size for camshaft or block applications.

Fitment Notes

  • Compatible with select 1958 to 2005 vehicle models
  • Replaces General Motors part numbers 3997752 3994255 and 1477826
  • Replaces American Motors part number 8132252
  • Cross-references Pioneer EPS78-10 and EPS-159

Why Choose Dorman - Autograde?

  • Dorman parts are engineered as direct-fit replacements designed to match OE form fit and function
  • Validated through testing to stand up to daily driving demands
  • Supported by a team of product experts in the United States
  • Delivers proven aftermarket solutions to keep vehicles operating correctly

What's in the Box

  • 10 pieces of steel cup expansion plugs

Item Dimensions

  • Package measures 4.9 inches by 3.7 inches by 2.2 inches
  • Total package weight is 0.8 lbs
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