Engine Freeze and Expansion Plug 0.867 in. to 0.872 in. [Galvanized Steel]

Name: Engine Freeze and Expansion Plug 0.867 in. to 0.872 in. [Galvanized Steel]
Brand: MELLING
SKU: 689-MPC-163
Price: 7.99 USD
Availability: InStock

^$7⁹⁹

Ships on 09/14/2026

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Cup style freeze plug sold by dimension for sealing machined coolant and core passages.

Sold by dimension for universal use

0.867 in. to 0.872 in. diameter

0.312 in. depth

Press fit

Galvanized steel, silver finish

Core and coolant openings exposed during machining have to be plugged to the bore size, not to a vehicle application. Sold by dimension, this plug lets an engine builder match the hole in front of them and keep the common sizes stocked in bulk.

Melling MPC-163 Sizing and Fitment

0.867 in. minimum to 0.872 in. maximum diameter.
0.312 in. depth.
Press fit installation.
Galvanized steel with a silver finish for corrosion resistance in coolant passages.

Part TypeFreeze Plug

BrandMELLING

Package Width0.46

Weight0.46 PG

Part CategoryReplacement Parts

Minimum Diameter0.867 in.

ColorSilver

Attachment TypePress Fit

Maximum Diameter0.872 in.

MaterialGalvanized Steel

Part FitmentUniversal

Depth0.312 in.

Vendor Part NumberMPC-163

Package Qty1

Package TypeEA

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Some parts are not legal for use in California or other states with similar laws / regulations

Engine Freeze and Expansion Plug 0.867 in. to 0.872 in. [Galvanized Steel]

Melling MPC-163 Sizing and Fitment

⚠️ Warning

Motor Vehicles

Tools

Electrical Cords