Counterfeit Parts Warning
Expansion Plugs
Get to know Melling’s various expansion plug parts and components.
Videos
Latest Catalog
new products
Engine Parts
Performance
Threaded Engine Plug – # MPP-751T
June 24, 2025
Engine Parts
Performance
Engine Plug KIT for GM 2.0L & 2.4L DOHC – # MPE-937R
February 18, 2025
Overview
Expansion & Freeze Plugs

Melling expansion & freeze plugs bulk packs provide an economical way to supply plug requirements to complete your engine rebuilds. Melling offers individual engine plugs in boxes of 10 or 25 for engine builders who require specific plugs in large quantities. Each bulk pack contains high quality expansion/freeze plugs needed in specific dimensions to complete the job. Melling expansion/freeze plug bulk packs are available in either steel or brass depending on engine usage and customer preference.
Expansion & Freeze Plug Kits

Melling expansion / freeze plug kits provide an efficient way to supply the plug requirements to complete your engine rebuild. Melling offers convenient bagged coverage for most domestic and import engine applications. Each kit contains the high quality expansion/freeze plugs needed for the listed application plus the pipe plugs required to complete the job. Melling expansion/freeze plug kits are available with either steel or brass water jacket plugs depending on engine usage and customer preference. Don’t waste your time looking for the correct expansion/freeze plugs and pipe plugs. When you are ready to put your engine together, select an expansion / freeze plug kit from Melling.
Looking for a specific part?
Find the parts you need for your specific application. Get detailed parts specs, images, installation guides and more.
Search by
part number or dimension
get access to…
- Part Numbers Not Listed By M/M/Y
- Part Specification Sheets
- Part Images & Installation Guides
Search by
make, model, year, engine, vIN code or part Number
get access to…
- Fitment Information
- Part Images & Installation Guides
- Part Cross Reference Information