555-091 Steel Cup Expansion Plug 1 in. SC, Height 0.308; Multi-Vehicle Application
InfoVehicle Info Needed
DORMAN PRODUCTSPART NUMBER: 326-555-091

555-091 Steel Cup Expansion Plug 1 in. SC, Height 0.308; Multi-Vehicle Application

$1177
ShippingShips on Sep 15, 2026
Lowest PriceLowest Price Guarantee

Steel Cup Expansion Plug 1 in. SC, Height 0.308
  • Fits Select Chrysler/Dodge/Eagle/Ford/Geo/Hyundai/Mazda/Mercury/Mitsubishi/Plymouth/Porsche/Volkswagen
  • Sold Individually

    This engine expansion plug is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.

    Steel Cup Expansion Plug 1 in. SC, Height 0.308 555-091 Features:

    • Fits select 1988-2005 Chrysler, 1987-2005 Dodge, 1988-1992 Eagle, 1984-1992 Ford, 1989-1997 Geo, 1998-2003 Hyundai and 6 more makes applications
    • Direct replacement — this engine expansion plug matches the fit and function of the factory part on specified years, makes and models
    • Ideal solution — this plug is a reliable replacement for an original part that is missing or has failed due to fatigue
    • Durable construction — this part is made from quality materials to ensure reliable performance and long service life
    • Trustworthy quality — backed by team of product experts in the United States and more than a century of automotive experience
  • Part TypeExpansion Plug
    BrandDORMAN PRODUCTS
    Package Height1.5
    Package Width2.38
    Package Length3.19
    Weight0.23 PG
    Part CategoryReplacement Parts
    Minimum Diameter0.982 in.
    Quantity10
    Maximum Diameter1 in.
    MaterialSteel
    Part FitmentDirect Fit
    Vendor Part Number555-091
    Package Qty1
    Package TypeEA
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    Some parts are not legal for use in California or other states with similar laws / regulations
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