BCBC MPE-701R Engine Expansion Plug Kit

Engine Expansion Plug Kit Overview

This Melling engine expansion plug kit is a standard replacement solution for engine rebuild work. It is made in the USA and organized to simplify sourcing the expansion plugs and pipe plugs needed to complete the job.

Key Features

• Steel construction for engine block service
• Press-fit and screw-in attachment types
• Standard replacement grade for rebuild applications
• Includes expansion/freeze plugs and pipe plugs for the listed application
• Made in the USA by Melling

Detailed Description

The MPE-701R is an engine expansion plug kit from Melling’s Stock line, built for domestic and import engine applications where the correct block plugs are needed during assembly. The kit is intended to reduce time spent matching individual plugs by grouping the required expansion/freeze plugs and pipe plugs for the application. With steel material and both press-fit and screw-in attachment styles represented, it supports common engine block service needs. This part number, MPE-701R, is a practical choice for rebuilders working on Jeep engines, including Jeep Wrangler, Jeep Cherokee, and Jeep Grand Cherokee applications listed in the fitment data.

What It Is Used For

• Replacing worn or missing engine block expansion plugs
• Completing an engine rebuild after block service
• Restoring coolant jacket sealing points
• Replacing pipe plugs required during engine assembly
• Matching the plug style specified for the application

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 sealing surfaces thoroughly and inspect the block openings for corrosion, debris, or damage before installing the new plugs. Follow the engine builder’s service procedure for proper seating and sealing. Fitment includes Jeep Wrangler, Jeep TJ, Jeep Grand Cherokee, Jeep Cherokee, Jeep Comanche, and Jeep Wagoneer applications across the listed years.

Quality Assurance

Melling states that this kit is made in the USA and supplies the plug types needed for the listed engine application. Part number MPE-701R is part of Melling’s Stock line, focused on straightforward replacement coverage for engine rebuild work.