Pioneer Cables PE-256 Engine Expansion Plug Kit

Engine Expansion Plug Kit for Jeep Applications

Pioneer Cables PE-256 is an engine expansion plug kit for select Jeep engines, including Grand Cherokee, Wrangler, Cherokee, Comanche, and Wagoneer applications. It is built for engine rebuild and service work where a reliable block plug is needed to seal coolant passages.

Key Features

• Steel construction with fine-grained, cold-rolled material for strength
• Zinc-plated finish for added corrosion resistance
• Engine expansion plug kit for cylinder block service
• Compatible with select Jeep Grand Cherokee, Wrangler, Cherokee, Comanche, and Wagoneer models
• Pioneer Cables PE-256 for rebuilders and repair shops

Detailed Description

Pioneer Cables PE-256 is part of a complete expansion plug program that includes steel, brass, stainless steel, and threaded styles. This steel version uses cold-rolled construction and a zinc-plated surface to help resist corrosion in engine block applications. It is a practical choice for Jeep engine rebuilds where a dependable cylinder block sealing solution is required.

Compatible With 1993-2002 Jeep Grand Cherokee, N/A; 1997-2002 Jeep Wrangler, N/A; 1991-1995 Jeep Wrangler, N/A; 1987-2001 Jeep Cherokee, N/A; 1987-1992 Jeep Comanche, N/A; and 1987-1990 Jeep Wagoneer, N/A. This part number, PE-256, is also a useful reference when sourcing engine expansion plugs for Jeep Grand Cherokee and Jeep Cherokee service work.

Common Repair Uses

• Replacing rusted or leaking engine block expansion plugs
• Restoring coolant sealing during engine rebuilds
• Addressing coolant seepage around cylinder block openings
• Servicing older Jeep engines with corroded steel plugs
• Supporting block repair after teardown or machining

Installation Notes and Tips

Clean the block bore thoroughly before installation and inspect the sealing surface for pitting, scale, or distortion. Verify the plug style and diameter against the engine block opening before pressing or seating the plug. For Jeep Wrangler, Cherokee, and Grand Cherokee applications, confirm the exact engine configuration during service to ensure the correct expansion plug is selected.

Quality Assurance

Pioneer Cables manufactures expansion plugs in multiple materials for different engine service needs, including steel, stainless steel, brass, and threaded designs. PE-256 uses steel construction with zinc plating for corrosion resistance in engine block applications.