WG03F00312 - Genuine OEM GE Refrigerator Defrost Heater & Thermostat Assembly
WG03F00312 - Genuine OEM GE Refrigerator Defrost Heater & Thermostat Assembly
The WG03F00312 Genuine OEM GE Refrigerator Defrost Heater & Thermostat Assembly is an original manufacturer replacement component designed for compatible GE refrigerators and related brands. This genuine OEM assembly combines the defrost heater and thermostat into a single unit that helps maintain proper automatic defrost operation, ensuring efficient cooling performance and preventing excessive frost accumulation on evaporator coils. Available from Appliance Kingdom, this part ships across Canada with fast, dependable delivery for homeowners, landlords, property managers, and professional appliance repair technicians.
A failed defrost heater assembly is a common cause of frost buildup, temperature fluctuations, restricted airflow, and extended compressor run times. Replacing a defective assembly with a genuine OEM component helps restore proper refrigerator performance and long-term reliability.
What Does the Defrost Heater & Thermostat Assembly Do?
The defrost heater and thermostat assembly plays a critical role in your refrigerator's automatic defrost system. During scheduled defrost cycles, the heater melts frost that accumulates on the evaporator coils, while the thermostat helps regulate the defrost process to prevent overheating and ensure safe operation.
This assembly features a glass heating element design and is engineered to meet GE's original specifications. Genuine OEM quality is important because improper heating performance or inaccurate thermostat operation can negatively affect cooling efficiency, food preservation, and appliance longevity.
When the assembly fails, frost can accumulate on the evaporator coils, restricting airflow and reducing the refrigerator's ability to maintain proper temperatures.
Common Symptoms Indicating Replacement
A faulty WG03F00312 Defrost Heater & Thermostat Assembly may cause:
- Frost buildup on evaporator coils
- Refrigerator section too warm
- Refrigerator section too cold
- Freezer section too warm
- Freezer section too cold
- Excessive ice accumulation inside the freezer
- Reduced airflow from refrigerator vents
- Refrigerator running longer than normal
- Cooling performance becoming inconsistent
- Food not staying at proper storage temperatures
Replacing the assembly often resolves these issues when the defrost heater or thermostat has failed. However, similar symptoms can also be caused by control boards, thermistors, wiring issues, or other refrigeration components. Proper diagnosis is recommended.
Compatibility Guidance
This part is designed for use in compatible GE refrigerator applications and certain related brands supported by GE manufacturing platforms.
Before ordering:
- Verify your refrigerator model number.
- Confirm that WG03F00312 is listed for your specific appliance.
- Contact Appliance Kingdom if you need assistance confirming compatibility.
Model verification helps ensure proper fit and prevents unnecessary returns.
Replaces Part Numbers
Verified replacement numbers include:
- 773802
- AH303762
- AH9862553
- AP2071523
- EA303762
- EA9862553
- EAP303762
- PS303762
- PS9862553
- WR51X10031
Key Features & Benefits
- Genuine OEM GE replacement part
- Integrated defrost heater and thermostat assembly
- Glass element heater design
- Engineered to original manufacturer specifications
- Helps maintain proper automatic defrost operation
- Reduces frost accumulation on evaporator coils
- Supports efficient cooling performance
- Designed for reliable fit and operation
- Suitable for homeowners, landlords, and appliance repair professionals
- Helps extend refrigerator performance and efficiency
Installation Overview
Installation typically requires access to the evaporator compartment inside the freezer section of the refrigerator. The repair involves disconnecting electrical connectors, removing the existing assembly, and installing the replacement unit.
Installation difficulty is generally considered moderate.
Experienced DIY users may be able to complete the repair using common hand tools. Because the repair involves electrical components and refrigeration system access panels, professional installation is recommended if you are uncertain about diagnosis or repair procedures.
Always disconnect power before servicing the appliance.
Canada-Wide Availability & Trusted Canadian Supplier
Appliance Kingdom proudly supplies genuine OEM appliance parts to customers across Canada. Orders ship from Canada, helping provide reliable delivery and support for residential, commercial, and property maintenance repairs.
Whether you are maintaining a family refrigerator or servicing multiple properties, Appliance Kingdom offers dependable parts and knowledgeable customer support to help ensure a successful repair.
Buyer Confidence & Reassurance
When you purchase the WG03F00312 Genuine OEM GE Refrigerator Defrost Heater & Thermostat Assembly, you receive:
- Genuine OEM manufacturing quality
- Factory-engineered fit and performance
- Reliable defrost system operation
- Support with compatibility verification before purchase
- Trusted Canadian sourcing and shipping
- Confidence in long-term refrigerator performance
Industry technicians and appliance repair communities frequently recommend OEM defrost components over aftermarket alternatives because of their reliability, fit accuracy, and longevity.