Dorman 02603 Engine Freeze Expansion Core Plug - 1-1/2" To 1-5/8" (38mm-41mm)

Quick Seal 1-1/2" Rubber Expansion Plug Size Range 1-½" to 1-⅝" (38mm - 41mm)

Freeze Plug Expansion Plug Dorman 555-005

Freeze Plug Expansion Plug Dorman 02603

Quick Seal 1-1/2" Rubber Expansion Plug Size Range 1-½" to 1-⅝" (38mm - 41mm)

Engine Core Plug-Expansion Plug Dorman 02603