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Made in USA
Pipe Plugs [Hex Drive, 0.394 in. Head, 0.394 in. Depth, Galvanized Steel]
InfoVehicle Info Needed
MELLINGPART NUMBER: 689-MPP-180T

Pipe Plugs [Hex Drive, 0.394 in. Head, 0.394 in. Depth, Galvanized Steel]

$2999
ShippingShips on 11/17/2026
Lowest PriceLowest Price Guarantee

Stock Replacement Pipe Plug
  • Hex Drive Head
  • 0.394 in. (10 mm) Head Tool Size
  • 0.394 in. (10 mm) Depth
  • Coarse External Thread
  • Galvanized Steel
  • Zinc Coated
  • Black Finish
  • Set of 25

    These Melling hex-drive pipe plugs thread into block and head galleys to seal them during engine assembly, packed 25 to a box for shop use.

    Melling MPP-180T Pipe Plug Features:

    • Hex drive head
    • 0.394 in. (10 mm) head tool size
    • 0.394 in. (10 mm) depth
    • Coarse external thread
    • Galvanized steel construction
    • Zinc coated
    • Black finish
    • Bulk pack of 25 plugs
    • Meets or exceeds original equipment specifications
    • Part TypePipe Plug
    BrandMELLING
    Package Width0.96
    Weight0.96 PG
    Part CategoryReplacement Parts
    Head Drive TypeHex
    Zinc CoatedYes
    Heat HardenedNo
    Inside Or Outside ThreadOutside
    ColorBlack
    QuantitySet of 25
    MaterialGalvanized Steel
    Part FitmentUniversal
    Thread TypeCoarse
    Depth0.394 in
    Head Tool Size0.394 in
    Vendor Part NumberMPP-180T
    Package Qty1
    Package TypeEA
    Some parts are not legal for use in California or other states with similar laws / regulations
    p65 warning