7016048 Refrigerator Heater Assy
7016048 Refrigerator Heater Assy

Sub-Zero Refrigerator Defrost Heater Assembly 7016048, Replaces 4322130

Price
$41.61

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FROST BUILDUP ON THE FREEZER EVAPORATOR THAT RESTRICTS

Sub-Zero Refrigerator Defrost Heater Assembly 7016048, Replaces 4322130, Fixes Frost buildup on the freezer evaporator that restricts airflow or reduces cooling performance

Genuine Sub-Zero defrost heater assembly for model 532 refrigerators of all serial numbers and model 632 refrigerators before serial number 1810000.

Part 7016048Replaces 4322130Sub-Zero

Genuine Sub-Zero defrost heater assembly for model 532 refrigerators of all serial numbers and model 632 refrigerators before serial number 1810000.

Is This the Right Part?

Part Number7016048
Replaces4322130
ManufacturerSub-Zero
Appliance TypeRefrigerator
Part TypeDefrost Heater Assembly

Common Symptoms

  • Excessive frost or ice accumulating on the freezer evaporator
  • Restricted freezer airflow caused by an iced evaporator
  • Poor cooling performance associated with an incomplete defrost cycle

Check Before Replacing

  • With power disconnected, inspect the evaporator area for excessive frost that may indicate a defrost-system problem.
  • Test the heater for electrical continuity only if qualified to perform appliance electrical diagnostics.
  • Verify the appliance model and serial number before condemning or ordering the heater.

Pro Tip

For model 632, verify the serial number carefully: units beginning with serial number 1810000 use part 4324690 instead.

Part Details

Part Number7016048
Part TypeDefrost Heater Assembly
ManufacturerSub-Zero
Appliance TypeRefrigerator
Primary FunctionHeats the freezer evaporator during the defrost cycle to melt frost buildup.
Cross References4322130

Key Features

  • Genuine OEM Sub-Zero part
  • Defrost heater assembly
  • Used in the freezer evaporator defrost system

Installation Notes

  • Disconnect electrical power before servicing the refrigerator.
  • Access to the freezer evaporator and related covers/components is required for heater removal and installation.
  • Follow the model-specific Sub-Zero service procedure; heater placement and clips must be restored correctly on the evaporator.

Verified Compatible Models

532, 632

Fitment reminder: Match the complete appliance model number, including suffix or revision where applicable, before ordering.

✅Compatibility & Cross Reference

4322130

532, 632

Not sure about your model number? Call 1-877-899-7278 and we’ll help you confirm. All brand names are the property of their respective owners and are used for compatibility reference only.

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