CWJ 21mm
SGD 2.70
Outer Diameter (mm)
Height (mm)
Engine Block Size (mm)
Actual O.D. of Jacket/Plug (mm)
21
21.2
5
Steel Water Jacket / Engine Plug 21mm
SWJ 21mm
Steel Water Jacket Plug / Engine Plug / Engine Block Water Jacket Expansion Freeze Plug /Engine Expansion Core Plug / Copper Water Jacket Plug / Engine Plug / Core Plug / Welch Plug /Freeze Plug
Used to fill casting hole in automotive engines.
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