Replacing core plugs

Core plugs are also known as expansion plugs, welch plugs and sealing discs - a point to remember when buying one.

Welch Welsh Brass Core Plug Kit Set Holden Chev V8 LS Series LS1

Engine Overhaul

Installing Engine Core Plugs (correctly) - Tech Tip Tuesday

Replacing core plug : TR6 Tech Forum : The Triumph Experience

3.9Ft Replacement Audio Cable Cord Wire, Gold Plated 3.5mm Plug

IAE PPTS.pdf

Why do cars use water plugs and how to use water plugs?

Z RATOR FRONT MOUNT CORE PLUG AERATOR

Change an Engine Core Plug - Land Rover Monthly

I've got a leaky (freeze/core) plug - Studebaker Drivers Club Forum