Pioneer Cables PE-181-R Engine Expansion Plug Kit

Engine Expansion Plug Kit for Jeep Applications

Pioneer Cables PE-181-R is an engine expansion plug kit for cylinder block service on select Jeep vehicles. It is a steel plug option with zinc plating for added corrosion resistance, making it a practical choice for Jeep Cherokee, Jeep Wrangler, Jeep Comanche, Jeep Wagoneer, Jeep CJ7, and Jeep Scrambler engine rebuild work.

Fits 1983-1997 Jeep engine applications listed below, including Cherokee and Wrangler coverage. The PE-181-R part number is commonly searched for cylinder block expansion plug replacement on older Jeep engines.

Key Features

• Engine expansion plug kit for cylinder block components
• Steel construction with fine-grained, cold-rolled material for strength
• Zinc plated finish for corrosion resistance
• Fits select Jeep Cherokee, Wrangler, Comanche, Wagoneer, CJ7, and Scrambler applications
• Part number PE-181-R for easy catalog matching

Product Details

Pioneer Cables PE-181-R is built for engine rebuilders and repair work that requires replacement expansion plugs in the cylinder block. The steel design provides durable service, while the zinc-plated surface adds protection against corrosion in demanding engine environments. This part is listed for multiple Jeep platforms across the 1983-1997 model years, including Jeep Cherokee and Jeep Wrangler engine applications.

This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

What This Part Helps Address

• Coolant leaks from worn or corroded expansion plugs
• Engine block sealing issues during rebuilds
• Replacement of rusted steel plugs in older Jeep engines
• Service needs on Jeep Cherokee and Jeep Wrangler cylinder blocks
• Restoration work on Comanche, Wagoneer, CJ7, and Scrambler engines

Installation Notes and Tips

Verify the engine block plug size and location before installation. Clean the bore thoroughly, inspect for pitting or damage, and install the plug to the correct depth for a proper seal. Match the replacement to the original application details for Jeep Cherokee, Jeep Wrangler, and other listed Jeep models. The PE-181-R should be selected based on the engine block configuration, not just the vehicle name.

Quality Assurance

Pioneer offers a complete program of expansion plugs in steel, stainless steel, brass, and threaded styles for engine rebuild applications. PE-181-R uses steel construction with zinc plating to support long-term service in the listed Jeep applications.