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

93 products

  • Sale -26%Last stock! ERP DA32-10105V Refrigerator Temperature Sensor Exact Replacement Parts

    Exact Replacement Parts ERP DA32-10105V Refrigerator Temperature Sensor

    DA32-10105V Refrigerator Temperature Sensor Replaces Part Numbers: DA32-10105V, 2030344, OEM12423002, AP4140999, PS4138685. Description: This Temperature Sensor is a replacement part for specific Samsung refrigerator models. This part monitors the internal temperature of the refrigerator and communicates this information to the control board, which regulates the cooling cycle.   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

    $13.50 $9.99

  • Last stock! ERWR50X122 Refrigerator Defrost Thermostat Replaces WR50X122 Exact Replacement Parts

    Exact Replacement Parts ERWR50X122 Refrigerator Defrost Thermostat Replaces WR50X122

    ERWR50X122 Refrigerator Defrost Thermostat  L60-32F. 1/4" side push on clip. 11-3/4" leads with stripped wire ends. Replaces Part Numbers: WR50X122, 2387, AH303471, AP2071262, EA303471, PS303471, WR50X0122, WR50X0128, WR50X10014, WR50X128   This is an aftermarket part that can be used as a replacement for the OEM part.  California Residents Only - Warning: Cancer and Reproductive harm - https://www.p65warnings.ca.gov/

    $12.60

  • Last stock! XPARTCO 242278801 Refrigerator Temperature Sensor  Parts-O-Matic

    XPARTCO XPARTCO 242278801 Refrigerator Temperature Sensor

    XPARTCO 242278801 Refrigerator Temperature Sensor – Compatible with Frigidaire, Electrolux, and Kenmore Refrigerators Product Description Keep your refrigerator cooling accurately with the XPARTCO 242278801 Refrigerator Temperature Sensor. This high-quality replacement monitors the temperature inside the fresh-food and freezer compartments, sending signals to the control board to regulate cooling. A faulty sensor can cause temperature fluctuations, over-freezing, or warm spots. Replacing it with this reliable XPARTCO part ensures consistent temperature control and energy-efficient performance. Replaces Part Numbers 242278801 PD00029820, EAP8760187, AP5802148, 3016441, PS8760187. Compatibility This replacement temperature sensor fits select Frigidaire, Electrolux, and Kenmore refrigerators. Example compatible models include (but are not limited to): Frigidaire FFHS2611LBNA, Electrolux E23BC78IPS3, and Kenmore 253.7041341C. Always verify your refrigerator’s model number before ordering. Contact our support team if you’re unsure. ✅ Key Features 🔄 Aftermarket Replacement – Matches OEM temperature accuracy and response rate ❄️ Accurate Cooling Control – Monitors refrigerator temperature for consistent performance 💰 Cost-Effective Fix – Reliable alternative to expensive OEM parts 🛠️ Simple Installation – Plug-in design for fast, easy replacement 🛡️ Fixes Common Issues – Solves warm refrigerator, freezing, or inconsistent cooling problems 📐 Product Specification Part Number: 242278801 Component Type: Refrigerator Temperature Sensor (Thermistor) Material: Plastic housing with thermistor probe and wiring harness Resistance Range: Approximately 2.7 kΩ at 77°F (varies by temperature) Mounting: Direct-fit installation in refrigerator liner or evaporator area Compliance: Built to OEM-equivalent quality standards (not OEM) 🛠️ Installation Notes Tools Needed: Phillips screwdriver, wire clip removal tool ⚠️ Safety First: Always unplug the refrigerator before servicing to prevent electrical shock. Steps: Disconnect power and remove interior shelves for access. Locate the old temperature sensor, usually near the evaporator or rear wall. Disconnect the sensor’s wiring harness and remove clips. Install the new XPARTCO 242278801 sensor in the same position. Reconnect wiring, reassemble interior parts, and restore power. Allow several hours for the refrigerator to stabilize temperature. ⏱️ Time Required: 15–20 minutes 📦 Shop With Confidence 🚚 Free Shipping on All Orders ⚙️ Trusted Appliance Parts Supplier 🔄 30-Day Return Policy Keep your refrigerator cooling efficiently — Add to Cart Now for a reliable, budget-friendly repair!

    $18.65

  • Sale -20% WR51X10131 Refrigerator Genuine OEM Freezer Defrost Heater  Parts-O-Matic

    GE WR51X10131 Refrigerator Genuine OEM Freezer Defrost Heater

    WR51X10131 Refrigerator Genuine OEM Freezer Defrost Heater – Compatible with GE Refrigerators Product Description Keep your freezer frost-free with the WR51X10131 Refrigerator Genuine OEM Freezer Defrost Heater. This factory-approved part melts frost buildup on the evaporator coils during defrost cycles, allowing proper airflow and consistent cooling. A failed heater may lead to frost accumulation, poor cooling, or freezer temperature fluctuations. Replacing it with this genuine OEM heater restores efficient performance and extends the life of your refrigerator. Replaces Part Numbers WR51X10131, PD00026383, EAP5573655, AP5736548, 3033080, PS5573655. Compatibility This genuine defrost heater is compatible with select GE refrigerators. Example compatible models include (but are not limited to): GE GSS25SGMBCSS, GE GSH25JSTASS, and GE PSS26SGPASS. Always verify your refrigerator’s model number before ordering. Contact our support team if you’re unsure. ✅ Key Features 🔄 Genuine OEM Replacement – Factory-approved part for GE refrigerators ❄️ Prevents Frost Build-Up – Keeps evaporator coils clear for proper airflow 💰 Cost-Effective Repair – Restores cooling efficiency and prevents costly breakdowns 🛠️ DIY Installation – Installs with basic tools in under 30 minutes 🛡️ Fixes Common Issues – Resolves frost accumulation, cooling loss, or temperature fluctuations 📐 Product Specification Part Number: WR51X10131 Component Type: Freezer Defrost Heater Material: High-temperature resistant metal with wiring harness Mounting: Direct-fit replacement for evaporator area Operating Conditions: Designed for freezer environments Compliance: Genuine OEM certified 🛠️ Installation Notes Tools Needed: Phillips screwdriver, nut driver, needle-nose pliers ⚠️ Safety First: Always unplug refrigerator before starting repairs to avoid electrical shock. Steps: Unplug refrigerator and remove freezer shelves. Take off rear freezer panel to expose evaporator coils. Disconnect wiring harness from old heater. Remove mounting screws and replace with new WR51X10131 heater. Reconnect wiring, reinstall rear panel, and restore power. Test refrigerator to confirm proper cooling and defrost cycle. ⏱️ Time Required: 20–30 minutes 📦 Shop With Confidence 🚚 Free Shipping on All Orders 🛠️ Trusted Appliance Parts Supplier 🔄 30-Day Return Policy Prevent frost buildup and restore reliable cooling — Add to Cart Now for a genuine, factory-approved repair!

    $62.00 $49.80

  • 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 -19%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 $53.10

  • 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.  

    $26.90 $19.00

  • 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

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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