Made in USA
555-021 Steel Cup Expansion Plug 1-3/16 in., Height 0.510
InfoVehicle Info Needed
DORMAN PRODUCTSPART NUMBER: 326-555-021

555-021 Steel Cup Expansion Plug 1-3/16 in., Height 0.510

$1177
ShippingShips on 09/21/2026
Lowest PriceLowest Price Guarantee

Steel Cup Expansion Plug 1-3/16 in., Height 0.510
  • 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 1-3/16 in., Height 0.510 555-021 Features:

    • Universal application; verify fitment using vehicle specifications
    • 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 TypeEngine Expansion Plug
    BrandDORMAN PRODUCTS
    Package Height2.19
    Package Width2.38
    Package Length3.63
    Weight0.4 PG
    Part CategoryReplacement Parts
    Minimum Diameter1.187 in.
    Quantity10
    Maximum Diameter1.199 in.
    MaterialSteel
    Part FitmentUniversal
    Vendor Part Number555-021
    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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