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Expansion Plugs [0.384 in. Diameter, 0.160 in. Depth, Galvanized Steel]
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MELLINGPART NUMBER: 689-MPC-222A

Expansion Plugs [0.384 in. Diameter, 0.160 in. Depth, Galvanized Steel]

$1125
More than 10 available
ShippingShips on Nov 16, 2026
Lowest PriceLowest Price Guarantee

Stock Replacement Expansion Plug
  • 0.382-0.384 in. (10 mm) Diameter
  • 0.160 in. (4 mm) Depth
  • Press Fit Installation
  • Galvanized Steel
  • Silver Finish
  • Set of 25

    Sized at 0.384 in. in diameter, these Melling galvanized steel expansion plugs press into the block or head to close off casting core holes and keep coolant inside the engine.

    Melling MPC-222A Expansion Plug Features:

    • 0.382-0.384 in. (10 mm) diameter
    • 0.160 in. (4 mm) depth
    • Press fit installation
    • Galvanized steel construction
    • Silver finish
    • Bulk pack of 25 plugs
    • Precision engineered for optimum fit and function
    • Meets or exceeds original equipment specifications
  • Part TypeExpansion Plug
    BrandMELLING
    Package Height0.2
    Package Width0.5
    Package Length0.5
    Weight0.01 PG
    Part CategoryReplacement Parts
    Minimum Diameter0.382 in
    ColorSilver
    Attachment TypePress Fit
    QuantitySet of 25
    Maximum Diameter0.384 in
    MaterialGalvanized Steel
    Part FitmentUniversal
    Depth0.160 in
    Product Depth0.160 in
    Vendor Part NumberMPC-222A
    Package Qty1
    Package TypeEA
    Some parts are not legal for use in California or other states with similar laws / regulations
    p65 warning