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

188 products

  • 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 -37% Supco SZ3081180 Refrigerator Defrost Timer Replaces 3081180, 5303917634  Parts-O-Matic

    Supco Supco SZ3081180 Refrigerator Defrost Timer Replaces 3081180, 5303917634

    Supco SZ3081180 Refrigerator Defrost Timer Direct Replacement Defrost Timer to Replace Sub-Zero® and Electrolux includes wiring instructions. Specifications: Horsepower: 1/3HP Amperage: 10A Voltage: 120V Defrost Time: 21M Cycle Time: 8H   Features CSA® Approved Exact OEM features and specifications UL® Recognized Wiring Instructions Included Replaces Part Numbers: 3081180, 5303917634, 215846600, 3392, 5303308478, AH468977, CC369, E769, EA468977, GP6BX, AP2592952, PS468977.   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

    $30.00 $18.99

  • Sale -62% ERP 5304513033 Refrigerator Temperature Control Thermostat  Parts-O-Matic

    Exact Replacement Parts ERP 5304513033 Refrigerator Temperature Control Thermostat

    ERP 5304513033 Refrigerator Temperature Control Thermostat  Replaces Part Numbers: 5304513033, 5304503436, 216715200, 297053880, 297216033, 297216037, 216715201, 216715203, 297053873, 297053877, 5304501379, 5304509570, AP6284905, PS12365300.   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

    $43.50 $16.65

  • 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

  • Sale -51% WR50X10025CM Refrigerator Defrost Thermostat Replaces WR50X10025  Parts-O-Matic

    Choice Manufactured Parts WR50X10025CM Refrigerator Defrost Thermostat Replaces WR50X10025

    WR50X10025CM Refrigerator Defrost Thermostat L50-30F, tube mount with 1 - 15" lead and 1 - 4.5" lead. Fits GE top mount refrigerators. Replaces Part Numbers: WR50X10025, AH303445, EA303445, AP3190397, PS303445.   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

    $26.50 $12.99

  • Sale -35% ERP W11088945 Refrigerator Temperature Control Thermostat Replaces WP2315562  Parts-O-Matic

    Exact Replacement Parts ERP W11088945 Refrigerator Temperature Control Thermostat Replaces WP2315562

    ERP W11088945 Refrigerator Temperature Control Thermostat Replaces Part Numbers: WP2315562, 2315562, W11088945, W11035627, 2161282, 2169507, 2175515, AP6007252, PS11740364. Description: This Thermostat is a replacement 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.   This is an aftermarket part that can be used as a replacement for the OEM part.

    $65.00 $42.50

  • Sale -38%Last stock! ERP DA97-04049E Refrigerator Drain Cap & Tube Assembly  Parts-O-Matic

    Exact Replacement Parts ERP DA97-04049E Refrigerator Drain Cap & Tube Assembly

    ERP DA97-04049E Refrigerator Drain Cap & Tube Assembly New style drain tube and cap assembly. Fits Samsung refrigerators. Replaces Part Numbers: DA97-04049E, DA97-04049J,  DA97-04049N, DA97-04049P, AP4577811, PS4172178.   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

    $28.90 $17.85

  • Sale -33% ACQ73244001CM Refrigerator Temperature Thermistor Sensor Replaces ACQ73244001 Choice Manufactured Parts

    Choice Manufactured Parts ACQ73244001CM Refrigerator Temperature Thermistor Sensor Replaces ACQ73244001

    ACQ73244001CM Refrigerator Temperature Thermistor Sensor 1.375 Bulb with 28.5" lead with disconnect plug and mounting housing. Replaces Part Numbers:ACQ73244001, AH3531167, EA3531167, AP4670760, PS3531167.   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

    $21.50 $14.50

  • Sale -48% DA47-00434ACM Refrigerator Defrost Heater Replaces DA47-00434A Choice Manufactured Parts

    Choice Manufactured Parts DA47-00434ACM Refrigerator Defrost Heater Replaces DA47-00434A

    DA47-00434ACM Refrigerator Defrost Heater 120V, 120W heater for refrigerator evaporator. Fits Samsung french door refrigerators. Replaces Part Numbers:DA47-00434A, AP5585243, PS4140711   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

    $95.00 $49.00

  • Sale -64% ERP WR9X502 Refrigerator Defrost Timer Exact Replacement Parts

    Exact Replacement Parts ERP WR9X502 Refrigerator Defrost Timer

    ERP WR9X502 Refrigerator Defrost Timer 120V, 60Hz, 8 hr. 30 min. Fits GE refrigerators. 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.   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

    $39.20 $13.97

  • Sale -65% WR9X502CM Refrigerator Defrost Timer Replaces WR9X502 Choice Manufactured Parts

    Choice Manufactured Parts WR9X502CM Refrigerator Defrost Timer Replaces WR9X502

    WR9X502CM Refrigerator Defrost Timer 120V, 60Hz, 10A, 6 Hour 25 Minute. Fits GE refrigerators. 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.   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

    $39.20 $13.80

  • Sale -67% WR9X480CM Refrigerator Defrost Timer Replaces WR9X480 Choice Manufactured Parts

    Choice Manufactured Parts WR9X480CM Refrigerator Defrost Timer Replaces WR9X480

    WR9X480CM Refrigerator Defrost Timer 120V, 60Hz, 10A, 6 Hour 30 Minute. Fits GE refrigerators. Replaces Part Numbers:WR9X480, WR09X0282, WR09X0297, WR09X0308, WR09X0309, WR09X0310, WR09X0316, WR09X0330, WR09X0332, WR09X0335, WR09X0336, WR09X0340, WR09X0341, WR09X0346, WR09X0368, WR09X0370, WR09X0421, WR09X0440, WR09X0480, WR09X5117, WR9X282, WR9X297, WR9X308, WR9X309, WR9X310, WR9X316, WR9X330, WR9X330B, WR9X330R, WR9X332, WR9X335, WR9X336, WR9X340, WR9X341, WR9X346, WR9X368, WR9X368R, WR9X370, WR9X370R, WR9X421, WR9X440, WR9X5117, AP2635477, AH310849, CC312, CC900, EA310849, PS310849.   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

    $36.00 $11.99

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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