Pioneer Automotive PE702 Engine Expansion Plug Kit

The Pioneer Automotive PE702 is an engine expansion plug kit designed to seal coolant passages in engine blocks and cylinder heads. Also commonly referred to as freeze plugs or core plugs, expansion plugs are precision-formed metal inserts that prevent coolant leaks and protect the engine from damage caused by corrosion or freeze-related expansion.

Key Features:

• Precision-manufactured for accurate fit and reliable sealing
• Engineered to withstand engine operating temperatures and coolant exposure
• Designed as a direct replacement for worn, corroded, or damaged OEM expansion plugs
• Kit format provides all necessary plugs for a complete service job
• Manufactured by Pioneer Automotive Industries, a trusted aftermarket supplier since 1946

Pioneer Automotive Industries has been a leading supplier to the automotive remanufacturing and repair markets for decades, offering a comprehensive range of engine components built to meet or exceed original equipment standards. The PE702 expansion plug kit is an ideal choice for engine rebuilds, overhauls, or targeted coolant leak repairs.