In Stock
- In Stock Items. Ships Today. (8) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- In Stock Items, Including at a Supplier. Ships In a Few Days. (21) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- All Items, Including Not In Stock (22) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Universal
- No (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Make/Model
Make/Engine
Expansion Plug Material
- Steel (13) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Brass (8) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Outside Diameter (in.)
- 1.250 (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Price Range
Filter Options
- Made In USA (21)
- Stock Replacement (20)

Selected Filters

Availability

- In Stock Items. Ships Today. (8) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- In Stock Items, Including at a Supplier. Ships In a Few Days. (21) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- All Items, Including Not In Stock (22) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Filters
Universal
- No (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Make/Model
Make/Engine
Expansion Plug Material
- Steel (13) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Brass (8) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Outside Diameter (in.)
- 1.250 (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Price Range
Filter Options
- Made In USA (21)
- Stock Replacement (20)

Melling Engine Expansion Plug Kits

4.14 out of 5 stars 14 Customer Reviews

Melling engine expansion plug kits come with everything needed to replace the leaky "freeze" plugs on your current engine. When you have the motor out of the chassis, it's the ideal time to update the plugs before they start leaking. Order the kit recommended for your application—and stay ahead of the game with Melling!

Showing In Stock Items. Show All 22 Items.

Results 1 - 21 of 21

Melling Engine Expansion Plug Kits MPE-900BR

Melling Engine Expansion Plug Kits MPE-900BR

Engine Expansion Plugs, Steel, Avanti, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Pontiac, Saab, Kit

Part Number: MEL-MPE-900BR

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 3/23/2026 if shipped by air

Melling Engine Expansion Plug Kits MPE-901BR

Engine Expansion, Plug Kit, Stock Replacement, Cylinder Head, 1.250 in. Diameter, Brass, Kit

Part Number: MEL-MPE-901BR

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 3/23/2026 if shipped by air

Melling Engine Expansion Plug Kits MPE-102R

Freeze Plug Kits Bagged- Steel

Part Number: MEL-MPE-102R

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 3/23/2026 if shipped by air

Melling Engine Expansion Plug Kits MPE-185BR

Freeze Plug Kits Bagged - Brass

Part Number: MEL-MPE-185BR

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 3/23/2026 if shipped by air

Melling Engine Expansion Plug Kits MPE-180BR

Freeze Plug Kits Bagged - Brass

Part Number: MEL-MPE-180BR

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 20, 2026 if ordered today

Melling Engine Expansion Plug Kits MPE-137BR

Freeze Plug Kits Bagged - Brass

Part Number: MEL-MPE-137BR

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 3/23/2026 if shipped by air

Melling Engine Expansion Plug Kits MPE-104BR

Freeze Plug Kits Bagged - Brass

Part Number: MEL-MPE-104BR

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 3/23/2026 if shipped by air

Melling Engine Expansion Plug Kits MPE-103BR

Freeze Plug Kits Bagged - Brass

Part Number: MEL-MPE-103BR

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 3/23/2026 if shipped by air

Melling Engine Expansion Plug Kits MPE-101R

Freeze Plug Kits Bagged- Steel

Part Number: MEL-MPE-101R

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 3/23/2026 if shipped by air

Melling Engine Expansion Plug Kits MPE-101BR

Freeze Plug Kits Bagged - Brass

Part Number: MEL-MPE-101BR

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 20, 2026 if ordered today

Melling Engine Expansion Plug Kits MPE-275R

Freeze Plug Kits Bagged- Steel

Part Number: MEL-MPE-275R

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 20, 2026 if ordered today

Melling Engine Expansion Plug Kits MPE-185R

Freeze Plug Kits Bagged- Steel

Part Number: MEL-MPE-185R

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 20, 2026 if ordered today

Melling Engine Expansion Plug Kits MPE-121R

Freeze Plug Kits Bagged- Steel

Part Number: MEL-MPE-121R

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 20, 2026 if ordered today

Melling Engine Expansion Plug Kits MPE-104R

Freeze Plug Kits Bagged- Steel

Part Number: MEL-MPE-104R

Not Yet Reviewed

Estimated Ship Date: Apr 17, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 17, 2026 if ordered today

Melling Engine Expansion Plug Kits MPE-121BR

Freeze Plug Kits Bagged - Brass

Part Number: MEL-MPE-121BR

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 20, 2026 if ordered today

Melling Engine Expansion Plug Kits MPE-103R

Freeze Plug Kits Bagged- Steel

Part Number: MEL-MPE-103R

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 20, 2026 if ordered today

Melling Engine Expansion Plug Kits MPE-169R

Freeze Plug Kits Bagged- Steel

Part Number: MEL-MPE-169R

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 20, 2026 if ordered today

Melling Engine Expansion Plug Kits MPE-137R

Freeze Plug Kits Bagged- Steel

Part Number: MEL-MPE-137R

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 20, 2026 if ordered today

Melling Engine Expansion Plug Kits MPE-183R

Freeze Plug Kits Bagged- Steel

Part Number: MEL-MPE-183R

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 20, 2026 if ordered today

Melling Engine Expansion Plug Kits MPE-180R

Freeze Plug Kits Bagged- Steel

Part Number: MEL-MPE-180R

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 20, 2026 if ordered today

Melling Engine Expansion Plug Kits MPE-262R

Freeze Plug Kits Bagged- Steel

Part Number: MEL-MPE-262R

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 20, 2026 if ordered today

Page 1 of 1