Parts for Bosch HBL8751UC/01: Cavity Assembly Parts

Replacement grid for microwaves and wall ovens. Restores a stable support surface for items. Replace if cracked, broken, or missing for safe operation.

Glass turntable tray that rotates food inside your microwave. Replace if cracked, broken, or missing to restore safe, level support for dishes.

Rotating glass platform that holds food inside your microwave. Replace if cracked, chipped, broken, or missing to restore proper cooking function.

Replacement mounting nut that secures panels, brackets, or assemblies inside your microwave or wall oven. Needed when original is stripped, missing, or worn.

This bottom heater is the oven/dryer heating element that generates heat for normal operation, restoring proper heating when the original element fails. It installs in the appliance's lower heater area to warm air or baking surfaces as designed. What it does:

• Produces heat for the appliance's lower heating chamber to enable normal drying or baking cycles
• Restores proper heating when the original element is burned out or broken
• Resolves symptoms like no heat, weak heat output, or uneven heating in the lower cavity
• Works as the core heating component; failure can cause longer cycles or incomplete drying/cooking

• One bottom heater

• Disconnect power (and gas supply, if applicable) before servicing to avoid shock or injury
• Access typically requires removing the lower access panel or back panel; follow your model's service manual
• Handle the element carefully to avoid damage; ensure all electrical connections are secure and correctly routed

The Drive Coupling is an OEM component for Bosch microwaves. The drive coupling transfers power from the magnetron to the turntable, enabling it to rotate smoothly during the cooking cycle. It is the component responsible for transmitting motion while absorbing vibration and noise.  

Causes of a bad drive coupling can include wear and tear over time, exposure to excessive heat during cooking cycles, or damage due to impact or mishandling. 

Symptoms of a bad drive coupling include:

• The turntable not rotating or rotating unevenly 
• Grinding or scraping noises coming from inside the microwave
• Reduced or no heating occurring during operation

This OEM Bosch part is also compatible with Thermador, Gaggenau, and some Kenmore models.

The Fixture is an OEM part for Bosch microwaves. This part ensures that the door opens and closes smoothly and securely, maintaining a proper seal for safe and efficient microwave operation.

Causes of a bad Fixture can include wear and tear from frequent use, damage from accidental impact, or deterioration due to environmental factors.

Symptoms of a bad Fixture include:

• Difficulty in opening or closing the microwave door
• The door not staying closed or securely latched
• Unusual noises when operating the door
• Visible damage or wear to the fastener

This OEM Bosch part is also compatible with Thermador, Gaggenau, and some Kenmore models.

The Microswitch is an OEM part for Bosch microwaves. This small but vital part detects when the door is closed and allows the microwave to operate. It works through electromagnetic pulses that tell the control board the door position.

Causes of a bad microswitch can be wear over time if the door has been opened and closed many times, or damage from an accidental impact that jars the switch out of place or breaks internal components. Repairing or replacing it will restore full and safe operation of the door locking system.

Symptoms of a bad microswitch include:

• The microwave failing to start when the door is closed
• The door sensor light staying lit even when the door is securely shut
• Erratic or inconsistent functioning of the door interlock system
• Buzzing or clicking noises coming from the microswitch area

This OEM Bosch part can also be used on Thermador and Gaggenau appliances.

The Switch is an OEM replacement part for Bosch microwaves. It serves as an essential component that controls and regulates various functions and operations of the microwave oven.

Causes of a bad microwave switch can include mechanical wear and tear over time, electrical malfunctions, or physical damage due to mishandling or impact.

Symptoms of a bad microwave switch:

• Difficulty in selecting or changing settings
• Microwave not responding to button presses or inputs
• Erratic behavior, such as randomly changing settings or modes
• Complete failure of the microwave to operate or power on

This OEM Bosch part is also compatible with Thermador, Gaggenau, and some Kenmore microwave models.

This support bracket holds the door interlock mechanism in proper position inside your microwave. The interlock prevents the microwave from operating when the door is open for safety. Replace this if your microwave won't start even with the door firmly closed or if the door doesn't latch properly.

Microwave won't start or keeps blowing fuses? A faulty door interlock support can cause these issues. Holds door switches securely for safe operation.

This replacement screw secures appliance panels and components at their mounting points. Swap in a new screw to restore a tight, rattle-free fit when the original fastener is missing, stripped, or corroded.

• Fastens the designated panel, bracket, or component in place
• Replaces a missing, stripped, or rusted screw
• Helps address loose panels, gaps, rattling, or misalignment at the mounting point
• Maintains proper assembly integrity after service or vibration

• Disconnect power; shut off water supply if working near plumbing
• Match to the removed fastener and replace one at a time to preserve alignment
• Start threads by hand to avoid cross-threading; use the correct driver bit
• Tighten snugly and avoid overtightening, especially into plastic or thin sheet metal

Secures panels, brackets, and components inside your microwave or wall oven. Replace missing, rusted, or stripped screws to restore proper fit.

This glass cover replaces a damaged or missing exterior glass panel to restore the appliance's appearance and protect internal components from dirt and contact. It provides a clean, finished surface that matches the original fit. What it does:

• Replaces cracked, chipped, or broken glass to improve safety and appearance
• Shields internal components from debris and everyday contact
• Restores the appliance's original exterior finish
• Helps ensure proper fit of adjacent trim and controls

• One glass cover

• Handle carefully to avoid breakage and wear protective gloves when installing
• Follow the appliance manufacturer's disassembly and reassembly instructions
• Disconnect power to the appliance before beginning any repair

Holds the bulb and provides electrical connection for interior lighting. Replace if cracked, heat-damaged, or loose causing lights to fail. Confirm fit.