Pioneer Cables PE-186 Engine Expansion Plug Kit

Brand Pioneer Cables PE-186
Fits Chrysler, Dodge, and Plymouth · 68 vehicles

Complete plug kit. Includes brass, steel, stainless steel, and threaded expansion plugs.

Corrosion-resistant options. Choose brass, zinc-plated steel, or stainless steel for the application.

Bulk pack quantities for engine rebuilders.

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Engine Expansion Plug Kit for Chrysler and Dodge

Pioneer Cables PE-186 is an engine expansion plug kit for select Chrysler, Dodge, and Plymouth applications from 1978-1989. It is built for engine block service where a steel expansion plug is required, including rebuild and repair work on older Chrysler, Dodge Ram 50, Dodge Colt, and related platforms.

Key Features

  • Steel expansion plug construction for long-lasting strength
  • Zinc-plated finish for added corrosion resistance
  • Engine block component for cylinder block service
  • Fits select Chrysler, Dodge, and Plymouth vehicles from 1978-1989
  • Pioneer Cables part number PE-186

Detailed Description

The PE-186 expansion plug kit from Pioneer Cables is made for engine block sealing applications where a durable steel plug is specified. Pioneer’s expansion plug program includes steel, stainless steel, brass, and threaded options; this listing focuses on the steel version with a zinc-plated surface to help resist corrosion in service. It is a practical choice for engine rebuilders and repair shops working on older Chrysler, Dodge, and Plymouth engines. This part number, PE-186, is listed for vehicles such as the Dodge Ram 50, Dodge Challenger, and Chrysler LeBaron.

Compatible With select applications including Fits 1987-1989 Chrysler Conquest, N/A; Fits 1987-1989 Dodge Raider, N/A; Fits 1983-1989 Dodge Ram 50, N/A; Fits 1984-1987 Dodge Caravan, N/A; Fits 1984-1987 Plymouth Voyager, N/A; Fits 1984-1986 Dodge Conquest, N/A; Fits 1983-1986 Dodge Power Ram 50, N/A; Fits 1984-1986 Plymouth Conquest, N/A; Fits 1982-1985 Chrysler LeBaron, N/A; Fits 1983-1985 Chrysler New Yorker, N/A; Fits 1982-1985 Chrysler Town & Country, N/A; Fits 1983-1985 Dodge 600, N/A; Fits 1981-1985 Dodge Aries, N/A; Fits 1981-1985 Plymouth Reliant, N/A; Fits 1978-1983 Dodge Challenger, N/A; Fits 1979-1982 Dodge D50, N/A; Fits 1978-1980 Dodge Colt, N/A.

Common Repair Uses

  • Replacing a leaking or corroded engine expansion plug
  • Restoring cylinder block sealing during engine rebuilds
  • Addressing coolant loss caused by worn block plugs
  • Repairing rust-damaged plugs in older Chrysler and Dodge engines
  • Service work on Dodge Ram 50, Dodge Challenger, and Chrysler LeBaron engines

Installation Notes and Tips

Verify the engine block plug size and location before installation. Clean the bore thoroughly and inspect for pitting, scale, or distortion so the new plug seats evenly. Use proper installation tools and follow the engine builder’s service procedure for the specific application. Confirm the vehicle match by year, make, and model before ordering PE-186.

Quality Assurance

Pioneer Cables supplies expansion plugs in multiple materials for engine service, including steel, stainless steel, brass, and threaded styles. PE-186 uses fine-grained, cold-rolled steel with zinc plating to support strength and corrosion resistance in the specified applications.

This part fits 68 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
1989ChryslerConquest2.6LL4N/ASteel - Carded
1989DodgeRaider2.6LL4N/ASteel - Carded
1989DodgeRam 502.6LL4N/ASteel - Carded
1988ChryslerConquest2.6LL4N/ASteel - Carded
1988DodgeRaider2.6LL4N/ASteel - Carded
1988DodgeRam 502.6LL4N/ASteel - Carded
1987ChryslerConquest2.6LL4N/ASteel - Carded
1987DodgeCaravan2.6LL4N/ASteel - Carded
1987DodgeRaider2.6LL4N/ASteel - Carded
1987DodgeRam 502.6LL4N/ASteel - Carded
1987PlymouthVoyager2.6LL4N/ASteel - Carded
1986DodgeCaravan2.6LL4N/ASteel - Carded
1986DodgeConquest2.6LL4N/ASteel - Carded
1986DodgePower Ram 502.6LL4N/ASteel - Carded
1986DodgeRam 502.6LL4N/ASteel - Carded
1986PlymouthConquest2.6LL4N/ASteel - Carded
1986PlymouthVoyager2.6LL4N/ASteel - Carded
1985ChryslerLeBaron2.6LL4N/ASteel - Carded
1985ChryslerNew Yorker2.6LL4N/ASteel - Carded
1985ChryslerTown & Country2.6LL4N/ASteel - Carded
1985Dodge6002.6LL4N/ASteel - Carded
1985DodgeAries2.6LL4N/ASteel - Carded
1985DodgeCaravan2.6LL4N/ASteel - Carded
1985DodgeConquest2.6LL4N/ASteel - Carded
1985DodgePower Ram 502.6LL4N/ASteel - Carded
1985DodgeRam 502.6LL4N/ASteel - Carded
1985PlymouthConquest2.6LL4N/ASteel - Carded
1985PlymouthReliant2.6LL4N/ASteel - Carded
1985PlymouthVoyager2.6LL4N/ASteel - Carded
1984ChryslerLeBaron2.6LL4N/ASteel - Carded
1984ChryslerNew Yorker2.6LL4N/ASteel - Carded
1984ChryslerTown & Country2.6LL4N/ASteel - Carded
1984Dodge6002.6LL4N/ASteel - Carded
1984DodgeAries2.6LL4N/ASteel - Carded
1984DodgeCaravan2.6LL4N/ASteel - Carded
1984DodgeConquest2.6LL4N/ASteel - Carded
1984DodgePower Ram 502.6LL4N/ASteel - Carded
1984DodgeRam 502.6LL4N/ASteel - Carded
1984PlymouthConquest2.6LL4N/ASteel - Carded
1984PlymouthReliant2.6LL4N/ASteel - Carded
1984PlymouthVoyager2.6LL4N/ASteel - Carded
1983ChryslerLeBaron2.6LL4N/ASteel - Carded
1983ChryslerNew Yorker2.6LL4N/ASteel - Carded
1983ChryslerTown & Country2.6LL4N/ASteel - Carded
1983Dodge6002.6LL4N/ASteel - Carded
1983DodgeAries2.6LL4N/ASteel - Carded
1983DodgeChallenger2.6LL4N/ASteel - Carded
1983DodgePower Ram 502.6LL4N/ASteel - Carded
1983DodgeRam 502.6LL4N/ASteel - Carded
1983PlymouthReliant2.6LL4N/ASteel - Carded
1982ChryslerLeBaron2.6LL4N/ASteel - Carded
1982ChryslerTown & Country2.6LL4N/ASteel - Carded
1982DodgeAries2.6LL4N/ASteel - Carded
1982DodgeChallenger2.6LL4N/ASteel - Carded
1982DodgeD502.6LL4N/ASteel - Carded
1982PlymouthReliant2.6LL4N/ASteel - Carded
1981DodgeAries2.6LL4N/ASteel - Carded
1981DodgeChallenger2.6LL4N/ASteel - Carded
1981DodgeD502.6LL4N/ASteel - Carded
1981PlymouthReliant2.6LL4N/ASteel - Carded
1980DodgeChallenger2.6LL4N/ASteel - Carded
1980DodgeColt2.6LL4N/ASteel - Carded
1980DodgeD502.6LL4N/ASteel - Carded
1979DodgeChallenger2.6LL4N/ASteel - Carded
1979DodgeColt2.6LL4N/ASteel - Carded
1979DodgeD502.6LL4N/ASteel - Carded
1978DodgeChallenger2.6LL4N/ASteel - Carded
1978DodgeColt2.6LL4N/ASteel - Carded