Pioneer Cables PE-185-R Engine Expansion Plug Kit

Engine Expansion Plug Kit for GM Applications

Pioneer Cables PE-185-R is an engine expansion plug kit for a wide range of Chevrolet, GMC, Oldsmobile, and Pontiac applications from 1985-2000. It is a steel, poly-bagged service part for engine rebuild and repair work where a reliable block plug replacement is needed.

Key Features

• Steel construction for long-lasting strength
• Zinc-plated finish for added corrosion resistance
• Engine expansion plug kit for cylinder block service
• Fits many Chevrolet and GMC trucks, vans, and SUVs
• Also used on select Oldsmobile and Pontiac models
• Pioneer Cables PE-185-R for engine rebuilders and repair shops

Product Details

Pioneer Cables PE-185-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 demanding engine environments. It is a direct service solution for cylinder block maintenance on vehicles such as the Chevrolet Astro, GMC Safari, Chevrolet S10, GMC Sonoma, and Chevrolet C1500.

Compatible With 1985-2000 Chevrolet Astro, 1995-2000 Chevrolet Blazer, 1996-2000 Chevrolet Express 1500, 1996-2000 Chevrolet Express 2500, 1988-2000 Chevrolet S10, 1999-2000 Chevrolet Silverado 1500, 1992-2000 GMC Jimmy, 1985-2000 GMC Safari, 1996-2000 GMC Savana 1500, 1998-2000 GMC Savana 2500, 1999-2000 GMC Sierra 1500, 1991-2000 GMC Sonoma, 1996-2000 Oldsmobile Bravada, and additional listed GM applications through 1985-1999.

Common Uses

• Replacing corroded or leaking engine block expansion plugs
• Repairing coolant loss caused by worn freeze plugs
• Supporting engine rebuilds on GM V6 and V8 applications
• Restoring sealing integrity during cylinder block service

Installation Notes

Inspect the block bore carefully before installation and clean away rust, scale, and old sealant. Verify the plug size and seating depth against the engine block opening before pressing or driving the plug into place. For best results, follow the service procedure for the specific Chevrolet, GMC, Oldsmobile, or Pontiac engine being repaired.

Quality Assurance

Pioneer Cables supplies expansion plugs in multiple materials for different service needs, including steel, stainless steel, and brass. PE-185-R is a steel expansion plug kit built for engine block repair applications where corrosion resistance and durable construction are required by the vehicle platform.