BCBC MPE-278BR Engine Expansion Plug Kit

Engine Expansion Plug Kit Overview

Melling MPE-278BR is a standard replacement engine expansion plug kit for complete engine rebuilds. It is built with brass plugs and covers the plug requirements for a range of domestic and import applications.

Fits 1990-2003 Ford Ranger, N/A. Fits 1991-2003 Ford Explorer, N/A. Fits 2001-2003 Ford Explorer Sport Trac, N/A. Fits 1990-1997 Ford Aerostar, N/A. Fits 1994-2003 Mazda B4000, N/A. Fits 1991-1994 Mazda Navajo, N/A. Fits 1998-2003 Mercury Mountaineer, N/A.

• Brass construction for corrosion resistance in cooling-system service.
• Standard replacement design for engine rebuild and block service.
• Includes expansion/freeze plugs and pipe plugs for the listed application.
• Press-fit and screw-in attachment types are represented in the kit application.

Detailed Application Notes

This Melling expansion plug kit is organized to simplify engine assembly by supplying the plugs needed for the specified application. The MPE-278BR part number is associated with a brass kit configuration, and the MPE-278BR reference is useful when matching rebuild parts for Ford Ranger, Ford Explorer, and Mazda B4000 applications.

Common Repair Uses

• Replacing corroded or leaking engine freeze plugs.
• Completing a cylinder block rebuild with correct plug coverage.
• Restoring cooling-system sealing at plug openings.
• Matching mixed press-fit and screw-in plug requirements during assembly.

Installation Notes and Tips

Verify the engine application before installation and confirm whether the block uses press-fit or screw-in plug locations. Clean the bore and sealing surfaces thoroughly before installing each plug, and follow the engine builder’s torque and sealing procedures where applicable.

Quality Assurance

Melling states this kit is made in the USA and supplies standard replacement coverage for the listed engine applications. The brass material selection supports cooling-system service where corrosion resistance is a priority.