Parts for Whirlpool MT4155SPB5: 05 - Oven Interior Parts

Fix a microwave that won't heat with this high voltage capacitor. Stores electrical charge to power the magnetron. Replace if heating has stopped.

Wire harness for microwaves. Connects internal electrical components. Replace if wires are frayed, damaged, or connections are loose or corroded.

This replacement power cord restores the electrical connection to your appliance so it powers reliably. Designed as a direct-fit cord assembly to replace a damaged or worn lead and help restore normal operation. What it does:

• Provides the main AC connection between the appliance and your household outlet
• Replaces frayed, cut, or broken cords that can cause loss of power or intermittent operation
• Helps eliminate sparking or exposed wiring hazards from a damaged cord
• Restores safe, stable power delivery when the cord is the root cause of power issues

• Disconnect power at the breaker and unplug the appliance before starting any work
• Route and secure the cord per the appliance wiring diagram; avoid pinching or sharp bends
• Do not attempt to splice or modify the cord

Microwave not heating but still running? The magnetron controls heating function. DIY repair in under 2 hours with basic tools and multimeter testing.

Microwave won't turn on or has no power? A blown fuse is often the cause. This safety fuse protects circuits from shorts. Requires cover removal to replace.

Mounting screw for dryers, microwaves, refrigerators, and washers. Replace if screw is missing, stripped, corroded, or broken during disassembly.

Fastener screw