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Customer Questions and Answers for Overload (Compressor Thermal Protector) by Whirlpool

4.89 (64)
By: Whirlpool
Part Number: OEM18027975
Manufacturer Part Number: WP4387938

This compressor overload is a thermal protector that opens the circuit if the compressor overheats or draws excessive current. Replacing a failed overload restores reliable starts and helps prevent compressor damage when your refrigerator won't cool.

  • Protects the compressor by interrupting power during overheat/overcurrent conditions
  • Common symptoms: refrigerator not cooling, compressor won't start, repeated clicking or brief hum then shutoff
  • Mounts on the compressor terminal and works alongside the start relay on applicable models
  • Built for proper fit and dependable operation in the start circuit
What's included: One overload protector
  • Unplug the refrigerator and remove the rear access panel to reach the compressor
  • Note wire positions; pull the old overload straight off the compressor pin
  • Push the new overload fully onto the correct terminal and reconnect wiring/terminal cover
  • Restore power and verify the compressor starts without repeated clicking

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$98.61
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Questions & Answers

For Whirlpool Overload (Compressor Thermal Protector) (Part Number: OEM18027975)

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Craig K. for Model Number 106.60832101

Follow up question: Still having difficulty seeing how these parts will replace the original overload and capacitor. I do not see how the original capacitor can mount on these parts. My compressor has three prongs in a triangular pattern and I think I see how my replacement parts (AP3136048) mount on those and the harness connector fits smaller spades so I am assuming I need to replace those. But what about the capacitor? Is there a different capacitor that I need? Any help would be appreciated.

Answer

Hi Craig. The overload has a single female round pin that slides onto the "top" of the triangle set of pins. Then this will leave the left over 2- remaining compressor pins side by side , correct? This is where the relay female pins slide onto the compressor. Together these 2 parts will cover all 3-triangular pins. Then Yes, use the smaller spade jumper wire to extend the wire to the relay. The capacitor is part # WPW10662129. Some models have them while others do not(lesser Quality). It is a run capacitor and in my opinion will keep the compressor running smoother and longer. SO you simply need to use the 2 capacitor wires and connect them to the relay by choosing the terminals #1 and what is across from it and not below it. Thank You.

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Answered by AppliancePartsPros.com   |   Tuesday, December 13, 2011

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