LG Microwave Time-Delay Fuse 3B74133C

Microwave Time-Delay Fuse – LG

LG Microwave Time-Delay Fuse 3B74133C This appliance time-delay fuse monitors, switches, protects, or controls the related appliance circuit. It is intended as a direct replacement for the designated service part. Verify the complete appliance model and serial number, original part number, dimensions, connector or mounting details, and revision before ordering. Part-Specific Details OEM LG 3B74133C Appliance Fuse Time Delay Cross Reference Information Part Number 3B74133C replaces AP5957937, 3B74133N, PS10066405, B07MXPVKCN. Product Specifications Brand: LG Primary SKU: 3B74133C Product type: Microwave Time-Delay Fuse Model-specific appliance service component Verify part number, dimensions, mounting points, material, and connections Confirm compatibility with the complete appliance model and serial number Electrical rating, terminal layout, and control revision must match the original Replaces / Cross-Reference Part Numbers 3B74133C Cross-reference numbers may identify earlier revisions, distributor references, or approved service replacements. Compatibility can vary by production date and model revision. Symptoms of Failure Appliance does not start, heat, cool, fill, drain, or cycle correctly intermittent operation error code component tests open, shorted, or outside specification Installation Instructions Unplug the microwave. Internal high-voltage components can retain a lethal charge after power is removed. Follow the service manual, discharge the high-voltage capacitor using approved procedures when cabinet access is required, document wiring and orientation, and verify all shielding, interlocks, and covers before operation. Qualified microwave service is strongly recommended. Compatibility and Safety Confirm fit using the appliance rating label and the manufacturer’s parts diagram. Disconnect power and shut off water or gas when applicable. Wear suitable protective equipment, preserve all shields and guards, and use a qualified technician for gas conversion, sealed refrigeration, or unfamiliar electrical work.

Compatible Part Numbers

• 3B74133C

Key Features

• Product type: Microwave Time-Delay Fuse
• SKU / MPN: 3B74133C

Fixes These Symptoms

• Appliance does not start
• heat
• cool
• fill
• drain
• or cycle correctly
• intermittent operation
• error code
• component tests open
• shorted
• or outside specification.

Compatible Brands

• LG
• Kenmore

Always verify your complete appliance model number before ordering.

Installation Guidance

Unplug the microwave. Internal high-voltage components can retain a lethal charge after power is removed. Follow the service manual, discharge the high-voltage capacitor using approved procedures when cabinet access is required, document wiring and orientation, and verify all shielding, interlocks, and covers before operation. Qualified microwave service is strongly recommended.