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

97 products

  • 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 -45% ERP 00654622 Refrigerator Inverter Control Board  Parts-O-Matic

    Exact Replacement Parts ERP 00654622 Refrigerator Inverter Control Board

    ERP 00654622 Refrigerator Inverter Control Board Fits Specific Bosch, Thermador Refrigerator models. Compressor Inverter Board. Description: The Relay-Starting is a exact replacement part for specific Bosch refrigerators. It is responsible for controlling the start signal to initiate proper refrigeration. Replaces Part Numbers:00654622, 00609254, 2693364, 609254, 654622, AH3501281, EA3501281, PS3501281, AP5306232, PS8731527. This is an aftermarket part that can be used as a replacement for the OEM part. California Residents only WARNING: California’s Proposition 65 

    $165.00 $91.56

  • Sale -58% ERP WR55X31113 Refrigerator Defrost Heater and Harness Assembly  Parts-O-Matic

    Exact Replacement Parts ERP WR55X31113 Refrigerator Defrost Heater and Harness Assembly

    ERP WR55X31113 Refrigerator Defrost Heater and Harness Assembly Fits Specific GE Refrigerator Models Description: This Defrost Heater Assembly is a replacement part compatible with specific GE refrigerator models. This assembly is responsible for preventing the buildup of ice and frost on the evaporator coils by providing controlled heat during the defrost cycle. It helps prevent ice accumulation that can hinder the refrigerator's ability to cool properly. Replaces Part Numbers:WR55X31113, AP6978638, PS12744078.   This is an aftermarket part that can be used as a replacement for the OEM part. California Residents only WARNING: California’s Proposition 65 

    $70.00 $29.75

  • Sale -54% ERP WR49X10283 Refrigerator Compressor Inverter Board  Parts-O-Matic

    Exact Replacement Parts ERP WR49X10283 Refrigerator Compressor Inverter Board

    ERP WR49X10283 Refrigerator Compressor Inverter Board Fits Specific GE brands include General Electric, Hotpoint, RCA, and others. Description: This Refrigerator Inverter Board is a replacement part compatible with select GE refrigerator models. It is designed to regulate the compressor's speed and ensure consistent cooling. With its high-quality construction and reliable performance, it's the perfect replacement part for your malfunctioning refrigerator. Replaces Part Numbers:WR49X10283, WR55X10490, WR55X10685, WR55X10979, WR55X11029, AP5669522, PS6883663.   This is an aftermarket part that can be used as a replacement for the OEM part. California Residents only WARNING: California’s Proposition 65 

    $189.00 $87.00

  • Sale -50%Last stock! 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

  • Sale -32% W10898445CM Refrigerator Ice Level Receiver Control Board Replaces W10898445  Parts-O-Matic

    Choice Manufactured Parts W10898445CM Refrigerator Ice Level Receiver Control Board Replaces W10898445

    W10898445CM Refrigerator Ice Level Receiver Control Board Light sensor receiver board for in-door ice bucket.  Fits Specific Whirlpool, Maytag, KitchenAid Refrigerator Models. Replaces Part Numbers:W10898445, W10296530, W10518658, WPW10273549, WPW10518658, W10260821, W10882532, AP6037913, PS11769410.   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

    $110.00 $75.00

  • Sale -42% W10870822CM Refrigerator Emitter Control Board Replaces W10870822  Parts-O-Matic

    Choice Manufactured Parts W10870822CM Refrigerator Emitter Control Board Replaces W10870822

    W10870822CM Refrigerator Emitter Control Board  Light sensor emitter board for in-door ice bucket. Fits Specific Whirlpool, Maytag, KitchenAid Refrigerator Models. Replaces Part Numbers: W10870822, W10180607, W10518659, WPW10518659, W10832970, AP6026733, PS11738093.   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

    $120.00 $69.98

  • Sale -26% DA32-10105VCM Refrigerator Temperature Sensor Replaces DA32-10105V  Parts-O-Matic

    Choice Manufactured Parts DA32-10105VCM Refrigerator Temperature Sensor Replaces DA32-10105V

    DA32-10105VCM Refrigerator Temperature Sensor  1" probe, 11.5" lead with two pin connectors. Fits Specific Samsung SXS refrigerators Models. 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

  • Sale -37% DA47-00311A Refrigerator Genuine Defrost Heater  Parts-O-Matic

    Exact Replacement Parts ERP DA47-00311A Refrigerator Defrost Heater

    ERP DA47-00311A Refrigerator Defrost Heater Replaces Part Numbers: DA47-00311A, AP5306643, PS4140651. fits specific Samsung Refrigerator models Description: This Refrigerator Defrost Heater Assembly is essential for maintaining your refrigerator's optimal performance. This replacement part ensures reliable defrost cycles, preventing ice buildup and enhancing cooling efficiency. Crafted with a durable heater sheath-metal, it withstands regular use and temperature fluctuations, providing long-lasting functionality. Installing the Refrigerator Defrost Heater Assembly helps restore your appliance defrost system, eliminating common issues like excessive frost and inconsistent temperatures. fits specific Samsung Refrigerator models   This is an aftermarket part that can be used as a replacement for the OEM part.

    $60.00 $38.00

  • Sale -46% WP12729128CM Refrigerator Defrost Heater Replaces WP12729128  Parts-O-Matic

    Choice Manufactured Parts WP12729128CM Refrigerator Defrost Heater Replaces WP12729128

    WP12729128CM Refrigerator Defrost Heater Defrost Heater  115V, 135W heater with rubber grommets. Fits Whirlpool bottom mount refrigerators. Replaces Part Numbers:WP12729128, 12729128, AP6005557, PS11738607.   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

    $78.00 $42.00

  • Sale -60% ERP W10495967 Refrigerator Defrost Heater Replaces WPW10495967  Parts-O-Matic

    Exact Replacement Parts ERP W10495967 Refrigerator Defrost Heater Replaces WPW10495967

    ERP W10495967 Refrigerator Defrost Heater Replaces Part Numbers:WPW10495967, W10495967, W10251470, AP6022304, PS11755637.   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

    $82.10 $32.65

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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