Thermostat | Defrost Heaters | Timer | Control Board

186 products

  • Sale -31%Last stock! XPARTCO 50561602 Heater Safety Thermostat  250-40F  Parts-O-Matic

    XPARTCO XPARTCO 50561602 Heater Safety Thermostat 250-40F

    XPARTCO 50561602 Heater Safety Thermostat  Compatible with Victory 50561602 Safety Switch, Heater, 250F

    $142.90 $98.20

  • Sale -50% XPARTCO W10316760 Refrigerator Thermistor Sensor  Parts-O-Matic

    XPARTCO XPARTCO W10316760 Refrigerator Thermistor Sensor

    XPARTCO W10316760 Refrigerator Thermistor Sensor Replaces Part Number: W10316760, WPW10323459, W10323459, 12791417, 12791417SP, 12791419SP, 1876627, AH2580944, EA2580944, AP4538142, PS2580944, W10280385, W10280386, W10308052, W10316760VP, W10438639, W10438761, W10452402 Description: This Refrigerator Thermistor Sensor is a replacement part for select Kenmore, KitchenAid, Maytag, Whirlpool refrigerator models. It is a crucial component responsible for accurately monitoring and regulating the temperature inside the refrigerator and freezer compartments.   This is an aftermarket part that can be used as a replacement for the OEM part.

    $19.60 $9.85

  • 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 -46%Last stock! XPARTCO DA32-00006S Refrigerator Thermistor

    XPARTCO XPARTCO DA32-00006S Refrigerator Thermistor

    XPARTCO DA32-00006S Refrigerator Thermistor fits select Samsung Refrigerator models Replaces Part Numbers: DA32-00006S, PS4138590, AP4308802  Description: This Refrigerator Temperature Thermistor is essential for maintaining the optimal temperature in select Samsung refrigerator models. This component accurately measures the internal temperature, ensuring your food stays fresh and properly preserved.   This is an aftermarket part that can be used as a replacement for the OEM part.

    $18.50 $9.99

  • 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 -31%Last stock! WB27X10939 Microwave Genuine Magnetron  Parts-O-Matic

    GE WB27X10939 Microwave Genuine Magnetron

    WB27X10939 Microwave Genuine Magnetron Replaces Part Numbers:  WB27X10939, 1262980, AH1481248, EA1481248, OEM17059946, AP4264986, PS1481248. Description: This Magnetron is an OEM part for specific GE microwave models. As the primary cooking mechanism, it generates microwave energy to heat and cook foods quickly.   California Residents only WARNING: Cancer and/or Reproductive Harm - www.p65warnings.ca.gov

    $198.00 $136.00

  • Sale -38%Last stock! 4344792 Refrigerator Refrigerator Thermal Fuse  Parts-O-Matic

    Whirlpool 4344792 Refrigerator Refrigerator Thermal Fuse

    4344792 Refrigerator Refrigerator Thermal Fuse Replaces Part Numbers:  4344792, 1200257, AH1485780, EA1485780, OEM15569798, AP3892449, PS1485780.     California Residents only WARNING: Cancer and/or Reproductive Harm - www.p65warnings.ca.gov

    $56.00 $35.00

  • 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

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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