Refrigerator Tubular Defrost Heater For: Whirlpool SH413 978331 ERSH413

Refrigerator Tubular Defrost Heater SH413

This ERP replacement tubular defrost heater is intended for compatible Whirlpool refrigerator applications using SH413 and cross-reference 978331. It is not a genuine Whirlpool OEM part. Match the heater dimensions, connector arrangement, wattage, voltage, original part number, and complete appliance model before ordering.

Product Specifications

• Appliance type: Refrigerator
• Part type: Tubular defrost heater
• Compatible brand: Whirlpool, verify the exact appliance
• Primary reference: SH413
• Cross-reference: 978331
• SKU / ERP number: ERSH413
• Power: 650 W
• Voltage: 120 V
• Dimensions: 23 x 6 inches, verify against the original heater
• Construction: 840 Incoloy
• Condition: New replacement part

Compatible Part Numbers

• SH413
• 978331
• ERSH413

Fixes These Symptoms

• Refrigerator frost buildup after diagnosis confirms a failed defrost heater
• Defrost system does not heat when the heater is the confirmed failed component
• Cooling performance is affected by a failed defrost cycle
• Existing tubular heater is open, damaged, or visibly worn

Key Features and Benefits

• Tubular replacement defrost heater for compatible Whirlpool refrigerator applications
• 650-watt, 120-volt specification for matching applications
• 840 Incoloy construction
• Verify dimensions, connectors, ratings, and model before installation

Compatible Models

Fits various models. Please verify compatibility with us before ordering

Compatible Brands

Whirlpool. Verify the exact model and original part number before ordering.

Installation Instructions

1. Confirm the complete appliance model, original part number, heater dimensions, connector arrangement, wattage, and voltage.
2. Disconnect electrical power and follow the manufacturer's model-specific service instructions.
3. Isolate water or gas supplies if the repair affects them, and allow the appliance to cool before service.
4. Install the heater without forcing a similar-looking part, restore guards and panels, and complete required safety and operating checks.

Safety: Electrical connections and stored-energy components should be handled by qualified personnel. Do not improvise wiring or bypass a fuse, thermostat, interlock, or other safety device.

ERP replacement part. Confirm the full appliance model and original part number before ordering.

California Proposition 65: WARNING: This product can expose you to chemicals, including nickel compounds, which are known to the State of California to cause cancer. See www.P65Warnings.ca.gov.