Thermostat | Defrost Heaters | Timer | Control Board

65 products

  • 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

  • Sale -14%Last stock! DA41-00447A Refrigerator Dispenser UI Control Board  Parts-O-Matic

    Samsung DA41-00447A Refrigerator Dispenser UI Control Board

    DA41-00447A Refrigerator Dispenser UI Control Board Fits Specific Samsung Refrigerator Models Replaces Part Numbers: DA41-00447A, 2031051, AP4338281, PS4139801.    California Residents only WARNING: Cancer and/or Reproductive Harm - www.p65warnings.ca.gov

    $142.00 $122.00

  • 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 -26%Last stock! 6500JB1008A Refrigerator Genuine OEM Temperature Sensor  Parts-O-Matic

    LG 6500JB1008A Refrigerator Genuine OEM Temperature Sensor

    6500JB1008A Refrigerator Genuine OEM Temperature Sensor Replaces Part Numbers: 6500JB1008A, 1395582, AH3529164, EA3529164, AP4440683, PS3529164.   California Residents only WARNING: Cancer and/or Reproductive Harm - www.p65warnings.ca.gov

    $22.90 $17.00

  • Sale -25%Last stock! WR9X502 Refrigerator Genuine OEM Defrost Timer  Parts-O-Matic

    GE WR9X502 Refrigerator Genuine OEM Defrost Timer

    WR9X502 Refrigerator Genuine OEM Defrost Timer Description: This Defrost Timer is an OEM part for GE refrigerators. This part manages the defrost cycle of the fridge and freezer compartments, ensuring that the evaporator coils do not build up excessive frost.   This cycling is crucial for maintaining optimal temperatures for food preservation and energy efficiency. Over time, the defrost timer can malfunction due to wear, electrical issues, or a buildup of dust and debris, leading to poor performance or failure. Replaces Part Numbers:WR9X502, WR09X10049, WR09X0278, WR09X0283, WR09X0313, WR09X0329, WR09X0334, WR09X0339, WR09X0342, WR09X0350, WR09X0356, WR09X0363, WR09X0364, WR09X0366, WR09X0375, WR09X0387, WR09X0408, WR09X0409, WR09X0418, WR09X0419, WR09X0428, WR09X0432, WR09X0438, WR09X0466, WR09X0468, WR09X0470, WR09X0478, WR09X0479, WR09X0481, WR09X0484, WR09X0486, WR09X0487, WR09X0490, WR09X0495, WR09X0502, WR09X0503, WR09X0504, WR09X0526, WR09X0528, WR09X0576, WR09X0594, WR09X5161, WR09X5162, WR09X5163, WR09X5164, WR09X5192, WR09X5202, WR09X5204, WR09X5211, WR09X5225, WR9X10049, AH310869, EA310869, AP2061708, PS310869.   California Residents only WARNING: Cancer and/or Reproductive Harm - www.p65warnings.ca.gov

    $80.00 $59.80

  • Sale -32%Last stock! ERP 242046001 Refrigerator Defrost Thermostat  Parts-O-Matic

    Exact Replacement Parts ERP 242046001 Refrigerator Defrost Thermostat

    ERP 242046001 Refrigerator Defrost Thermostat Defrost Thermostat L47-22F with tube mount Can also be used for 240386402 by removing plugs Description: This defrost thermostat is a exact replacement part responsible for regulating the defrost cycle in a refrigerator's freezer compartment. This part is typically located on or near the evaporator coils within the freezer. When frost and ice begin to accumulate on the coils during normal refrigerator operation, the thermostat detects a temperature drop. In response, it signals the refrigerator's defrost heater to activate, which raises the temperature within the freezer slightly to melt the accumulated frost and ice. Replaces Part Numbers:242046001, 1564839, AH2378768, AP4508400, EA2378768, PS2378768. This is an aftermarket part that can be used as a replacement for the OEM part. California Residents only WARNING: California’s Proposition 65 

    $26.32 $17.99

  • Sale -33%Last stock! 5303917633 Refrigerator Genuine OEM Defrost Timer  Parts-O-Matic

    Frigidaire 5303917633 Refrigerator Genuine OEM Defrost Timer

    5303917633 Refrigerator Genuine OEM Defrost Timer Description: This Electrolux Defrost Timer is an OEM replacement part for specific Frigidaire refrigerators. The defrost timer regulates the automatic defrost cycle, which prevents ice buildup on the evaporator coils in the freezer compartment by sending a signal to the defrost heater to turn on and melt any ice buildup on the coils. Once the defrost cycle is complete, the timer signals the heater to turn off, allowing the coils to cool and return to their normal temperature. Replaces Part Numbers:5303917633, 3286, A769, AH468976, CC351, CC901, EA468976, AP2592955, PS468976. California Residents only WARNING: California’s Proposition 65 

    $30.00 $20.00

  • Sale -39%Last stock! WR50X60 Refrigerator Genuine OEM Defrost Thermostat  Parts-O-Matic

    GE WR50X60 Refrigerator Genuine OEM Defrost Thermostat

    WR50X60 Refrigerator Genuine OEM Defrost Thermostat – For GE, Hotpoint, and Kenmore Product Overview The WR50X60 Refrigerator Defrost Thermostat is a genuine OEM part designed to regulate the defrost cycle by monitoring the temperature near the evaporator coils. When the temperature drops to a preset level, the thermostat activates the defrost heater to melt frost and maintain proper airflow. A faulty defrost thermostat can cause excessive frost buildup and cooling problems. This OEM replacement ensures reliable operation and is ideal for long-term use in compatible refrigerator models. Replaces Part Numbers This OEM thermostat replaces WR50X60, 3489, WR23X5030, WR50X0005, WR50X0007, WR50X0010, WR50X0011, WR50X0017, WR50X0021, WR50X0023, WR50X0026, WR50X0027, WR50X0036, WR50X0060, WR50X0076, WR50X0077, WR50X0089, WR50X0091, WR50X0093, WR50X0101, WR50X0105, WR50X0107, WR50X0110, WR50X0111, WR50X0115, WR50X0125, WR50X10, WR50X101, WR50X105, WR50X107, WR50X11, WR50X110, WR50X111, WR50X115, WR50X125, WR50X17, WR50X21, WR50X23, WR50X26, WR50X27, WR50X36, WR50X5, WR50X5009, WR50X5026, WR50X7, WR50X76, WR50X77, WR50X89, WR50X91, WR50X93, AH303547, EA303547, AP2071242, PS303547. It offers a direct fit and performance consistent with original factory-installed components. Compatible Brands Compatible with GE, Hotpoint, and Kenmore refrigerators made by GE. It fits various top-freezer, bottom-freezer, and side-by-side models that use this thermostat in their defrost systems. Fixes the Following Issues Frost accumulation in freezer Refrigerator not defrosting Blocked airflow due to ice Inconsistent cooling performance Why Buy from Parts‑O‑Matic 100% genuine OEM part for guaranteed compatibility Fast and free shipping throughout the U.S. Trusted by appliance technicians and DIYers Hassle-free returns and responsive support

    $26.00 $15.98

  • Sale -20%Last stock! W10822278 Refrigerator Genuine OEM Defrost Timer  Parts-O-Matic

    Whirlpool W10822278 Refrigerator Genuine OEM Defrost Timer

    W10822278 Refrigerator Genuine OEM Defrost Timer Description: This Whirlpool Defrost Timer is an OEM replacement part for Whirlpool refrigerators. The defrost timer regulates the automatic defrost cycle, which prevents ice buildup on the evaporator coils in the freezer compartment by sending a signal to the defrost heater to turn on and melt any ice buildup on the coils. Once the defrost cycle is complete, the timer signals the heater to turn off, allowing the coils to cool and return to their normal temperature. Replaces Part Numbers:W10822278, 482493, 14210016, 2188372, 2188376, 4262692, 4318057, 482489, 548044, 56906, 790077, 850019, 850038, 850343, 850344, 850345, 850609, 850695, 850731, 850845, 850847, 850878, 850879, 851061, 851106, 851200, 851269, 851701, 851971, 943436, 945513, 945514, 978266, 978472, 989280, 989281, CC309, CC904, CC906, D70041-12, FSP482493, GP6, GP9, R0950217, W10740039, W10822278VP, Y0053736, Y0055525, Y0056627, Y0056768, Y0056906, Y0311209, AP5985208, PS11723171. California Residents only WARNING: California’s Proposition 65 

    $30.00 $23.90

  • Sale -50% DA32-00006W Genuine OEM Refrigerator Thermistor Replaces DA32-10105R  Parts-O-Matic

    Samsung DA32-00006W Genuine OEM Refrigerator Thermistor Replaces DA32-10105R

    DA32-00006W Genuine Samsung OEM Refrigerator Thermistor Refrigerator defrost temperature sensor. Replaces Part Numbers: DA32-10105R, DA32-00006W, DA32-00006U, 2030342, DA32-00006B, DA32-00006C, DA32-00006D, DA32-00006L, DA32-00006M, DA32-00006T, DA32-00006V, AP4135567, PS4138681. The Samsung Defrost Sensor is a genuine part designed specifically for Samsung refrigerators. This sensor, sometimes referred to as a defrost thermostat or defrost temperature sensor, is an integral part of your refrigerator's defrost system.  

    $28.00 $14.00

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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