Which small appliance parts can be replaced by yourself?

Mar 18, 2026

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Small appliance parts such as electric fan motor housings, microwave oven fuses, washing machine microswitches, and water heater magnesium rods can be replaced by yourself. The operation is simple and can effectively extend the life of the equipment.

Common small appliance parts that can be replaced by yourself:

Electric Fan Motor Housing: After years of use, the housing of older fans tends to yellow and deform, affecting heat dissipation and operating noise. Replacing with a universal motor housing requires no rewiring; simply unscrew a few screws to complete the replacement. The mounting holes fit perfectly, and after replacement, the airflow is strong again, and the operation is quieter.

Microwave Oven High-Voltage Fuse: If the microwave oven is not heating, it may be due to a broken high-voltage fuse. After opening the housing, locate the fuse box and replace it with a fuse of the same specification to restore function. The entire process requires no professional tools and can be easily completed by users with good DIY skills.

Washing Machine Door Lock Microswitch: If the washing machine does not respond when the start button is pressed or there are abnormal noises from the door, it is very likely that the microswitch is damaged. This accessory is a universal design, compatible with many older models. Simply disassemble and plug it in for replacement; the whole process takes less than ten minutes.

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Water Heater Magnesium Rod: The magnesium rod prevents corrosion of the inner tank and is recommended to be replaced every 1-2 years. Before replacement, disconnect the power, turn off the water inlet valve, and drain the hot water. Then, use a wrench to unscrew the old magnesium rod counter-clockwise. Note: The magnesium rod itself is loose when turned clockwise; pay special attention to the direction during operation.

 

Vacuum Cleaner Lint, Robotic Vacuum Cleaner Side Brush, etc.: Problems such as worn edges on Dyson vacuum cleaner rollers and worn side brushes on Xiaomi robotic vacuum cleaners can be replaced by purchasing original or compatible parts. Side brushes start at only 5 yuan each, offering extremely low cost and significantly improved cleaning efficiency.

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