Refrigerator Defrost Parts – Thermostats, Heaters, Timers & Control Boards

188 products

  • Sale -12% WP2315562 Refrigerator Genuine Temperature Control Thermostat  Parts-O-Matic

    Whirlpool WP2315562 Refrigerator Genuine Temperature Control Thermostat

    WP2315562 Refrigerator Genuine Temperature Control Thermostat Replaces Part Numbers: WP2315562, 2315562, W11088945, W11035627, 2161282, 2169507, 2175515, AP6007252, PS11740364. Description: This Thermostat is a Genuine OEM part for select Whirlpool refrigerator models. This component is crucial for regulating the internal temperature of the refrigerator, ensuring that food and beverages are stored at the correct temperature for optimal freshness and safety. The thermostat monitors the temperature inside the refrigerator and signals the cooling system to turn on or off to maintain the desired temperature.

    $95.80 $84.50

  • Sale -28%Last stock! WPW10165425 Refrigerator Genuine Defrost Thermostat  Parts-O-Matic

    Whirlpool WPW10165425 Refrigerator Genuine Defrost Thermostat

    WPW10165425 Refrigerator Genuine Defrost Thermostat Replaces Part Numbers: WPW10165425, W10165425, 126393249SP, 12639324SP, 1455131, OEM24064262, AP6016065, PS11749348. Description: This Bimetal Defrost Thermostat is a Genuine OEM part for select Whirlpool refrigerator models. It plays a vital role in the defrost system, regulating the freezer temperature to prevent excessive frost buildup. The thermostat serves as a safety device by shutting off power to the defrost heater if the temperature gets too high, thereby protecting the appliance from overheating and potential damage.   California Residents only WARNING: Cancer and/or Reproductive Harm - www.p65warnings.ca.gov

    $65.42 $46.90

  • Sale -29%Last stock! WR55X10025 Refrigerator Genuine OEM Temperature Sensor  Parts-O-Matic

    GE WR55X10025 Refrigerator Genuine OEM Temperature Sensor

    WR55X10025 Refrigerator Genuine OEM Temperature Sensor Refrigerator or freezer temperature sensor (also called a thermistor). The thermistor monitors the refrigerator, freezer, and evaporator temperature and sends the temperature reading to the control board.  Replaces Part Numbers: WR55X10025, 914093, WR50X10027, WR50X10034, WR50X10055, WR50X10067, WR55X10025-50PK, WR55X10025B, WR55X10026, WR55X10027, WR55X10028, WR55X10030, WR55X10087, WR55X10088, WR55X10089, WR55X10367, WR55X10380, WR55X10661, WR55X10711, WR55X10735, WR55X10736, WR55X10737, WR55X10937, WR55X10938, WR55X10939, WR55X11121, WR55X11141, WR55X11151, WR55X11152, AH304103, EA304103, OEM12741630, AP3185407, PS304103. Description: This Temperature Sensor is a Genuine OEM part for select GE refrigerator models, designed to accurately monitor and relay the temperature inside the refrigerator and freezer compartments to the electronic control board. By detecting the slightest changes in internal temperature, the sensor allows the control board to make real-time adjustments to the cooling system, activating the compressor and fans as needed to maintain optimal conditions for food preservation.   California Residents only WARNING: Cancer and/or Reproductive Harm - www.p65warnings.ca.gov

    $26.90 $19.10

  • Sale -41% ERP 4387490 Refrigerator Defrost Thermostat Replaces WP4387490 Exact Replacement Parts

    Choice Manufactured Parts Choice 4387490 Refrigerator Defrost Thermostat Replaces WP4387490

    Choice 4387490 Refrigerator Defrost Thermostat – Replacement for Whirlpool, Kenmore, Roper, and More Product Overview This Defrost Bimetal is a replacement part for select Kenmore, Whirlpool refrigerator models. This crucial component functions as a safety thermostat in the freezer's defrost system. It is designed to monitor and control the temperature of the evaporator coils during the defrost cycle, preventing them from overheating. By cutting off the defrost heater when the coils reach a certain temperature, the bimetal helps maintain optimal functioning and efficiency of the refrigerator’s defrost system. L58-14F. 5/16" side push on clip. 24" leads with stripped wire ends. Replaces Part Numbers This thermostat replaces part numbers WP4387490, 4387490, 2176941, 2183073, 586200, 9791823, SL7490, AP6009313, PS11742470.  It matches OEM design and fits a range of Whirlpool-built refrigerators. Compatible Brands Compatible with refrigerators by Whirlpool, Kenmore (Whirlpool-made), Roper, Estate, KitchenAid, and Crosley. Suitable for use in many side-by-side and top-freezer models. Fixes the Following Issues Frost buildup in freezer compartment Refrigerator not defrosting Inconsistent temperature Blocked or restricted airflow due to ice Why Buy from Parts‑O‑Matic Quality-tested aftermarket part at an affordable price Fast and free shipping across the U.S. Trusted by DIYers and appliance technicians Easy installation with reliable performance

    $19.65 $11.50

  • Sale -24%Last stock! 2304099 Refrigerator Genuine Adaptive Defrost Control Board Replaces WP2304099  Parts-O-Matic

    Whirlpool 2304099 Refrigerator Genuine Adaptive Defrost Control Board Replaces WP2304099

    2304099 Refrigerator Defrost Control Board Replaces Part Numbers: WP2304099, 2304099, 1174817, 2213100, 2213473, 2302564, 2303826, OEM24028522, AP6007130, PS11740238. Description: This is a refrigerator control board that can be used to replace a damaged or faulty board in select refrigerators. The control board is used to manage various functions that occur in the refrigerator, including cooling and defrosting. If there is a problem with the board, the refrigerator might not be able to defrost correctly, or it might not stay cool. This control board for the refrigerator tends to last a long time. However, it could eventually wear out and stop working. It could be damaged due to a voltage surge, or it might be a faulty board. Remove and store all food in the refrigerator and unplug it before beginning repairs. This refrigerator control board works with certain models from Kenmore, Whirlpool, KitchenAid, Roper, Estate, Inglis, Crosley, Gladiator, Kirkland, and Maytag.    California Residents only WARNING: Cancer and/or Reproductive Harm - www.p65warnings.ca.gov

    $163.90 $125.20

  • Sale -42%Last stock! WPW10226427 Refrigerator Genuine OEM Power Supply Board  Parts-O-Matic

    Whirlpool WPW10226427 Refrigerator Genuine OEM Power Supply Board

    WPW10226427 Refrigerator Genuine OEM Power Supply Board Replaces Part Numbers:  WPW10226427, W10226427, 1551792, OEM18052172, AP6017389, PS11750687. Description: This is a Genuine OEM refrigerator power supply board. It's an internal component that is made to control the refrigerator functions. This part is made with small precision parts to help with timing defrost and cooling cycles. This part can be damaged or malfunction and stop operating correctly. This may prevent the refrigerator from running, cause strange sounds, or cause the refrigerator to run at the wrong temperature.If this part is damaged, it will need to be replaced. Before replacing the power supply board, make sure the refrigerator is unplugged from the wall. The process will require a flathead screwdriver and a nut driver. Use the tools to unthread the screws on the access cover. Depress the retaining tab to remove the inner cover and disconnect the wires. Press the tab to release the power supply board and snap in the new component. Make sure the wires are properly connected and reassemble.This genuine OEM replacement part is sold on an individual basis. It is directly acquired from the manufacturer and is designed to be compatible with specific refrigerator models made by Kenmore, Whirlpool, Maytag, and KitchenAid.    California Residents only WARNING: Cancer and/or Reproductive Harm - www.p65warnings.ca.gov

    $251.10 $145.98

  • Sale -18%Last stock! WR49X10152 Refrigerator Genuine OEM Control Board  Parts-O-Matic

    GE WR49X10152 Refrigerator Genuine OEM Control Board

    WR49X10152 Refrigerator Genuine OEM Control Board Replaces Part Numbers:  WR49X10152, 1266021, AH1483475, EA1483475, AP3957581, PS1483475, WR49X10092, WR49X10115, WR49X10121, WR49X10138, WR49X10147, WR55X10156, WR55X10414, WR55X10492, WR55X10530. Description: This is a replacement control board that has been manufactured by General Electric for use with specific refrigerator models.The control board is a critical component that ensures various refrigerator functions, such as defrost times and cooling, are properly regulated. This part should be replaced as soon as possible if faulty, otherwise the refrigerator may not be able to maintain a cold temperature or might not work at all. Before replacing this part, ensure the appliance is entirely disconnected from the power and water sources. Whenever attempting a repair, wear work gloves for protection.This part is suitable for use on a refrigerators that have been manufactured by General Electric, Hotpoint, RCA, and some other brands. This is a genuine OEM part and thus is manufactured from high-quality, durable, non-corrosive materials and is only sold individually.    California Residents only WARNING: Cancer and/or Reproductive Harm - www.p65warnings.ca.gov

    $288.90 $236.10

  • Sale -13% WR32X10455 Refrigerator Drip Tray  Parts-O-Matic

    GE WR32X10455 Refrigerator Drip Tray

    WR32X10455 Refrigerator Drip Tray Fits Specific GE Refrigerator Models. Replaces Part Numbers: WR32X10455, 1057496, AH783809, EA783809, AP3202588, PS783809, WR32X10037, WR32X1085.   California Residents only WARNING: Cancer and/or Reproductive Harm - www.p65warnings.ca.gov

    $40.00 $35.00

  • Sale -29% EBR77042507 Refrigerator Main Control Board Replaces CSP30020818  Parts-O-Matic

    LG EBR77042507 Refrigerator Main Control Board Replaces CSP30020818

    EBR77042507 Refrigerator Main Control Board Fits Specific LG, Kenmore Models Replaces Part Numbers: EBR77042507, CSP30020818, AP5977601, PS11710735.   California Residents only WARNING: Cancer and/or Reproductive Harm - www.p65warnings.ca.gov

    $135.00 $95.20

  • Sale -23%Last stock! WR51X10101 Refrigerator Genuine OEM Defrost Heater  Parts-O-Matic

    GE WR51X10101 Refrigerator Genuine OEM Defrost Heater

    WR51X10101 Refrigerator Genuine OEM Defrost Heater This Defrost Heater Kit is an OEM part for specific GE refrigerator models. It is designed to prevent frost and ice buildup within the freezer compartment by heating up at regular intervals to melt away any accumulated frost. 120V, 575W, 8" tube, 9 1/2" overall, dual tube with leads. For 12-inch glass tube heater use Part Number WR51X10055. Replaces Part Numbers:WR51X10101, 1399613, AH1993872, AP4355467, EA1993872, PS1993872, WR51X10032, WR51X10053, WR51X10097.   California Residents only WARNING: Cancer and/or Reproductive Harm - www.p65warnings.ca.gov

    $59.10 $45.60

  • Sale -86% ERP 5303918775 Refrigerator Temperature Sensing Thermistor  Parts-O-Matic

    Exact Replacement Parts ERP 5303918775 Refrigerator Temperature Sensing Thermistor

    ERP 5303918775 Refrigerator Temperature Sensing Thermistor Fits Specific Frigidaire, Electrolux Refrigerator models. Description:  Monitor and regulate your refrigerator's temperature with the ERP 5303918775 Refrigerator Temperature Sensing Thermistor. This expertly designed thermistor provides accurate readings and ensures your food stays fresh and safe. With its precise measurements, you can trust that your fridge is running at optimal temperature for maximum efficiency. Replaces Part Numbers:5303918775, 4456169, AP6041624, PS11775596.    This is an aftermarket part that can be used as a replacement for the OEM part. California Residents only WARNING: Cancer and/or Reproductive Harm - www.p65warnings.ca.gov  

    $79.60 $11.00

  • Sale -22% 5303918214 Refrigerator Genuine OEM Defrost Thermostat  Parts-O-Matic

    Frigidaire 5303918214 Refrigerator Genuine OEM Defrost Thermostat

    5303918214 Refrigerator Genuine OEM Defrost Thermostat Replaces Part Numbers: 5303918214, 75303918214, 892545, AH469522, EA469522, AP2150145, PS469522. Description: This Defrost Thermostat Kit is a Genuine OEM replacement defrost thermostat  for specific Frigidaire refrigerator models. This kit contains the defrost thermostat, which is a crucial component in the refrigerator's defrost system.  

    $28.90 $22.50

Refrigerator Defrost Thermostat, Heaters, Timer and Control Board

❄️ Refrigerator Defrost Parts – Thermostats, Heaters, Timers & Control Boards

Is your refrigerator building up frost, running too warm, or cycling improperly? You could be dealing with a defrost system failure — and we have the solution. At Parts-O-Matic.com, we offer a complete line of defrost system components to restore your refrigerator’s cooling efficiency and prevent costly damage.

We carry OEM and high-quality aftermarket defrost parts compatible with all major brands like Whirlpool, GE, Samsung, LG, Frigidaire, Maytag, Kenmore, Electrolux, Bosch, and more.

Refrigerator Thermostat, Defrost Heaters, Timer, Control Board


🛠️ Shop Critical Defrost System Components:

  • Defrost Thermostats – Monitors and regulates the evaporator coil temperature to prevent over-freezing
  • Defrost Heaters – Melts frost from evaporator coils during the defrost cycle
  • Defrost Timers – Activates the heater at scheduled intervals to keep the coils clear
  • Defrost Control Boards – Smart boards that manage the timing and execution of the defrost cycle in digital refrigerators

🔍 Signs of a Faulty Defrost System:

  • Excessive frost buildup on evaporator coils
  • Warm refrigerator section while freezer stays cold
  • Refrigerator runs constantly or not at all
  • Clicking noises or irregular cycling

✅ Why Choose Parts-O-Matic?

✔️ Exact model-match parts – just enter your refrigerator’s model number
✔️ Fast shipping from U.S. warehouses
✔️ Expert-approved components for DIY and professional repair
✔️ Affordable OEM & compatible options
✔️ Fixes for top-freezer, bottom-freezer, side-by-side, and French-door refrigerators


🧰 Restore Your Refrigerator’s Defrost System Today

Don't let a failed defrost system cause food spoilage or compressor damage. With our top-quality defrost thermostats, timers, heaters, and control boards, you can get your fridge back to peak performance quickly and affordably.


🛒 Shop now for defrost system parts at Parts-O-Matic.com – and take the frost out of your fridge for good.


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