Parts for Bosch HBL8751UC/01: Base Assembly Parts

Fix loud grinding noises or overheating in your microwave with this cooling fan blade. Common repair for ventilation issues. Moderate DIY difficulty.

This fan motor circulates air through the appliance to cool internal components and maintain proper operating temperature. Replacing a worn motor restores airflow and can reduce overheating or abnormal noise. What it does:

• Spins the condenser/blower fan to move air over coils and heat-producing parts
• Restores airflow when a motor has failed or slowed
• Commonly linked to symptoms like loud grinding or squealing, reduced/no airflow, or overheating
• Helps the appliance maintain proper temperatures for reliable operation

• One fan motor (single unit as pictured)

• Disconnect power before servicing to avoid shock or injury
• Inspect mounting, fan blade, and wiring harness for damage before installing
• Use the correct connector and secure mounting to prevent vibration and noise

This is a temperature regulator thermostat used in the microwave to monitor and control internal temperatures. It helps prevent overheating by shutting off heating components when a set temperature is reached. Replace this part if the microwave shuts off unexpectedly, overheats, or fails to maintain proper cooking temperatures.

Microwave not heating evenly or shutting off unexpectedly? This temperature sensor thermistor monitors cavity temperature and signals the control board.

This is a small support piece that holds the cooking rack in place inside the microwave cavity. It ensures the rack remains stable and level during use. Replace this part if your cooking rack wobbles, shifts, or no longer stays securely positioned.

Small bracket that holds and positions microwave components for proper alignment. Replace if cracked, broken, or missing to restore secure fit and reduce rattling.

Replacement cover that protects and finishes openings or components on your microwave. Shields internal parts from dust and moisture. Order if cracked or missing.

Replacement mounting washer that secures fasteners and distributes load to prevent wear and loosening. Essential for stable appliance assembly. Verify fit.

This small electric motor drives the turntable plate inside the microwave, rotating food for even heating during cooking. It connects to the turntable coupler beneath the glass tray. Replace this motor if the turntable stops rotating, turns intermittently, or makes grinding or humming noises without spinning.

This is a metal or composite access panel that covers and protects internal components of the microwave. It provides a finished exterior appearance while allowing service access to the unit's interior parts. Replace this panel if it is dented, warped, rusted, or missing, which can affect the microwave's appearance and proper ventilation.

Fix intermittent power or control problems with this microwave cable harness. Restores secure electrical connections between components when wiring is damaged.

Replacement mounting screw for microwave panels, brackets, and internal components. Needed when original hardware is missing, stripped, or corroded.