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Defrost Heater with Thermostat WR51X443

★★★★★
★★★★★
8 Reviews

Easy 

30 - 60 mins 

Rated by verified customers
$ Price Match
$ 135.84
  In Stock
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PartSelect Number PS303934
Manufacturer Part Number WR51X443
Manufactured by GE for Kenmore, General Electric, Hotpoint
Product Description

Defrost Heater with Thermostat Specifications

This part assembly has 2 functions: The defrost heater keeps the cooling coils from frosting over and the thermostat senses that the heat near the cooling coils has reached the desired temperature.
How Buying OEM Parts Can Save You Time and Money

How Buying OEM Parts Can Save You Time and Money

Why buy the real thing?

OEM stands for Original Equipment Manufacturer. Simply put, this means that the company who made your appliance is also supplying the replacement part for it.

  • OEM from PartSelect
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  • Generic
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  • No fit guarantee
  • Inconsistent quality and lifespan
  • Limited warranty and support
You May Also Need ?
Troubleshooting
This part fixes the following symptoms:
  • Fridge too warm
  • Freezer section too warm
  • Freezer not defrosting
This part works with the following products:
  • Refrigerator
Part# WR51X443 replaces these:
AP2071465, 2001, WR51X443, WR51X344, WR51X345, WR51X372, WR51X405, WR51X461
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Customer Reviews
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Customer Repair Stories
 Average Repair Rating: 3.6 / 5.0, 22 reviews. What's this?
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Sorry, we couldn't find any existing installation instruction that matched.
Ice would build up on freezer floor about 1" thick every week, which then had to be removed.
The repair was fairly easy and took about one hour all together. I replaced the defrost heater with thermostat and the defrost timer. If you are having the same problem with ice build up don't forget to use a blow dryer to melt all of the ice for an easier replacement of the defrost heaters with thermostat. Make sure that you melt all of the ice in the drip pan below the heaters. You must also make sure that the drain hole in the middle of the drip pan is totally defrosted and you should blow air through the drain hole with a compressor to make sure that there is no blockage in that line that goes under the refrigerator and into a drain pan where it will evaporate by means of the compressor fan. If this line is not cleared, even after you replaced the broken heaters, the ice will return as the water has no place to drain.
  • William from SAYVILLE, NY
  • Difficulty Level:
    Easy
  • Total Repair Time:
    30 - 60 mins
  • Tools:
    Nutdriver, Screw drivers
2 of 2 people found this instruction helpful.
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Frost billed up in freezer
I watched the video on YouTube and followed the instructions. It was an easy repair. Thanks for the video.
  • Walter from CUDAHY, WI
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    30 - 60 mins
  • Tools:
    Nutdriver, Screw drivers
1 person found this instruction helpful.
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Freezer Frosted up, refrigerator warm.
I noticed the top defroster wire had shorted out. What I think happened was the Defrost Timer failed 1st, the the ice grew in the freezer till it contacted the wire on the top defrost heater causing it to short out. So 1st I unplugged the refrigerator and unloaded the freezer into a deep freeze I have. I also took a couple plastic milk bottles filled with water and froze them in the deep freezer. I used them to keep the refrigerator section and food there cool while I waited for the parts and for the cooling cooling evaporators to thaw. Once I received that parts, I disassemble the freezer, removed ice maker, shelves, etc. to get to the defrost heaters. I replaced the defrost heaters(very straight forward). On the right side of the metal shroud, the gasket was missing so I used a door sweep from Home Depot and 5 small round head bolts with lock washers(round head bolt toward evaporator) to seal along the right side. It is critical that the airflow be correct else the cooling and defrosting will not work right. Reassembled the rest of the freezer pieces I had removed. Then I replaced the defrost timer in the refrigerator section following the "parts select" video. Note: On my refrigerator, the timer, air temp valves and shroud come out as 1 piece. The video on the unit showed them as 2. No problem. You just take out 1 screw on the top back and gently work the piece out. Follow the instructions to rotate the timer past the loud click. I added 45 degrees after the loud click. Reassembled. Applied power. All has been working correctly without issue. For $130 in parts, and a couple hours of my time, refrigerator repaired and again working great vs shelling out $2,000+ for a new one. How did I know it was fixable ? As long as the cooling is working as evidenced by the frost buildup on the evaporator, it is repairable. If your cooling is dead, the refrigerator is dead. Yearly, I use a scuba tank to blow the dust off the condenser coils. If the heat exchange on the condenser coils is impacted by buildup of dust, dirt, hair, etc., it makes the compressor work that much harder and longer and leads to burnout and premature failure. This refrigerator is 23 years old and again going strong.
  • Daniel from Westlake, OH
  • Difficulty Level:
    Easy
  • Total Repair Time:
    1- 2 hours
  • Tools:
    Nutdriver, Pliers, Screw drivers
1 person found this instruction helpful.
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Refrigerator was warm and freezer was still cool. Removed back panel in freezer to find it frozen solid!! Thawed it out using a hair dryer, worked for a couple of days but it quickly was frozen yet again.
Removed back panel from freezer by removing a few screws.. Unplugged refrigerator as not get shocked.. removed old heaters and thermostat and replaced with new ones and it's been working perfectly!!
  • Sherrie from Midville, GA
  • Difficulty Level:
    Easy
  • Total Repair Time:
    Less than 15 mins
  • Tools:
    Pliers, Screw drivers
6 of 8 people found this instruction helpful.
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freezer wall frozen, defrosting food
At first I replaced the defrost timer and thought the refrigerator was fixed. Big mistake. It took about a month to realize it was not fixed. Again I defrosted the ice off the evaporator and then I ordered new defrost heaters and a defrost thermostat. It was easy to replace the heaters and defrost thermostat. Only used a phillips screwdriver and some tie straps to hold back the wiring to the heaters. The defrost thermostat was held on by a clip and was easy to install. Was done in about 20 minutes and the refrigerator was back in operation. So far no problems.
  • Donald from St. Louis, MO
  • Difficulty Level:
    Easy
  • Total Repair Time:
    15 - 30 mins
  • Tools:
    Screw drivers
2 of 4 people found this instruction helpful.
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freezer coils iced up
ordered defrost timer and heater/sensor kit which came on time......removed temp selector panel at top of fridge side by removing top screw and slid unit out of slot. replaced defrost timer and reassembled. replaced heaters and sensor located behind rear panel in freezer. reassembled and presto...all good total time 30 minutes
Other Parts Used:
Defrost Timer Defrost Heater with Thermostat
  • Adam from West Palm Beach, FL
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    15 - 30 mins
  • Tools:
    Nutdriver
3 of 5 people found this instruction helpful.
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The refrigerator was leaking water from the freezer section.
First remove all food from the freezer section, disconnect the power to the refrigerator and then remove all the shelves in the freezer.

Then remove the back panel inside the freezer by taking out the screws holding it in and then simply lifting it out. A Philips screwdriver and 1/4" driver was needed.

After the panel is removed, you can see the defrost heater screwed to the refrigerator coils. It's in two sections wired together. One section is screwed to the bottom of the coil and the top section is screwed half way up the coils.

Unplug the wires and thermostat (coming from the defrost heater) from the wire assembly located above the coils.

Next, remove the screws holding the old defrost heater (there are two screws for each element of the defroster)and lift the heater out. Pay close attention as to how the old heater is situated in the freezer in order to put the new one in the same way.

Attach the new heater by putting the bottom element on first and replacing the two screws to secure it. Be careful to keep the wires from tangling and attach the top element the same way.

Next, carefully connect the wires and thermostat from the heater back to the wire assembly the same way they were connected from the old defrost heater.

Place the panel back in place in the back of the freezer section, replace the shelves, and connect the power. You're finished!!

P.S. Don't forget to put the food back in the freezer.
  • Joe from Summerton, SC
  • Difficulty Level:
    Easy
  • Total Repair Time:
    15 - 30 mins
  • Tools:
    Nutdriver, Screw drivers
14 of 17 people found this instruction helpful.
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Ice forming in back of freezer would not keep refrigerator cold
removed all the shelves and empty ice maker. Take back panel off (6 screws). Use hair drier to defrost ice off of the coils. Remove old heaters and thermostat (4 screws, thermostat clamps on). Replace with new one and put it all back together. Easy!
  • david from hot springs, AR
  • Difficulty Level:
    Easy
  • Total Repair Time:
    30 - 60 mins
  • Tools:
    Screw drivers
0 of 3 people found this instruction helpful.
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Burnt out heater defront unit
1. Turned unit off and removed freezer shelving
2. Removed 5 screws on back pannel to expose heaters
3. Deforsted coils with a hair dryer and removed ice cubes
4. Compaired new defrost harness to the existing
5. Removed 4 screws holding the defective harness
6. Installed new heater harness with 4 screws and elec. plug
7. Reinstalled back pannel and shelving
8. Turned unit back on
  • Fred from Martinez, CA
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    15 - 30 mins
  • Tools:
    Screw drivers
8 of 8 people found this instruction helpful.
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Fridge/Freezer would not cool to proper temp
Unplugged powercord. Removed the racks in the freezer. Removed the back panel. Noticed ice was completly covering the cooling coils. Defrosted the cooling coils. Removed the thermostat. Removed the screws holding the Defrost Heaters. Removed Defrost Heaters and installed new ones. Clipped on the new Thermostat. Replaced back cover. Put the racks back in. Plug the powercord back in. I purchased Freezer/Fridge thermostats to keep an eye on actuall temps.
  • Don from boyd, WI
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    15 - 30 mins
  • Tools:
    Screw drivers
0 of 3 people found this instruction helpful.
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Questions and Answers

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Model Cross Reference
This part works with the following models:
PartSelect Number: PS303934
Manufacturer Part Number: WR51X443
Brand
Model Number
Description
Kenmore
36358475892
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Kenmore
36358477892
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Kenmore
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Kenmore
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Kenmore
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Kenmore
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Kenmore
36359557991
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Kenmore
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