Pioneer Cables PE-278-R Engine Expansion Plug Kit

Engine Expansion Plug Kit for Ford Applications

Pioneer Cables PE-278-R is an engine expansion plug kit for select Ford, Mercury, and related rebuild applications. It is built for cylinder block service where a corrosion-resistant steel plug is needed for a reliable seal during engine repair or rebuild work.

Key Features

• Steel construction for long-lasting strength
• Zinc-plated finish for added corrosion resistance
• Engine expansion plug kit for cylinder block components
• Fits select Ford Explorer, Ranger, Aerostar, and Mercury Mountaineer applications
• Part number PE-278-R for catalog and service identification

Detailed Description

Pioneer Cables PE-278-R is part of a complete expansion plug program that includes steel, brass, stainless steel, and threaded options. This version uses fine-grained, cold-rolled steel with zinc plating to help resist corrosion in engine block service. It is a practical choice for rebuilders and technicians working on 1990-2000 Ford Ranger, 1991-2000 Ford Explorer, 1990-1997 Ford Aerostar, and 1998-2000 Mercury Mountaineer engines. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

What It Is Used For

• Replacing worn or corroded engine block expansion plugs
• Restoring coolant sealing in cylinder block service
• Addressing seepage around freeze plug locations
• Supporting engine rebuild and block repair work
• Servicing Ford Explorer, Ranger, Aerostar, and Mercury Mountaineer engines

Installation Notes and Tips

Verify the plug diameter and block opening before installation. Clean the bore thoroughly, inspect for pitting or distortion, and install the plug squarely to achieve a proper seal. Confirm application by year, make, and model before service. Fits 1991-2000 Ford Explorer, N/A. Fits 1990-2000 Ford Ranger, N/A. Fits 1998-2000 Mercury Mountaineer, N/A. Fits 1990-1997 Ford Aerostar, N/A.

Quality Assurance

Pioneer Cables supplies expansion plugs in multiple materials for engine rebuild use, with steel construction and zinc plating selected for strength and corrosion resistance in this application.