4391974, Refrigerator Defrost Timer replaces Magic Chef

❄️ Refrigerator Defrost Timer | Replaces Maytag, Magic Chef AP3109443, PS373019, 4391974 | OEM-Compatible

Restore proper defrost cycling and cooling performance with this brand-new refrigerator defrost timer, engineered to replace Maytag and Magic Chef part numbers AP3109443, PS373019, and 4391974. This OEM-style timer regulates the automatic defrost cycle, helping prevent frost buildup and maintain consistent temperatures in both refrigerator and freezer compartments.

⚙️ Product Specifications:

• Type: Defrost Timer
• ⚡ Voltage: 120V AC
• Cycle: Typically 6 or 8 hours ON / 20 minutes OFF (varies by model)
• ️ Replaces: AP3109443, PS373019, 4391974 and compatible OEM part numbers
• Condition: Brand New – Unused
• Application: Maytag®, Magic Chef®, Admiral®, and other Whirlpool-family refrigerators

Common Fixes:

• ❄️ Excessive frost buildup in freezer
• ️ Inconsistent cooling or warm fridge compartment
• Refrigerator runs continuously or cycles erratically
• ⚠️ Defrost cycle not activating

️ Installation Tips:

• Disconnect refrigerator from power before servicing
• Locate defrost timer (typically behind kickplate or control housing)
• Remove mounting screws and disconnect wire harness
• Install new timer using existing connectors and hardware
• ✅ Manually advance timer to test defrost cycle before reassembly

⚠️ Installation Disclaimer:

This defrost timer is intended for use only with compatible refrigerator models. Buyer is responsible for verifying model and part number compatibility before purchase. Installation should be performed by a qualified technician or experienced DIYer. Seller is not liable for damage or injury resulting from improper installation or servicing.

Reliable cycling. Frost-free performance. OEM-grade defrost timer for Maytag and Magic Chef refrigerators.