Parts for Bosch HMV3052U/01: Mag Assembly Parts

This is a door latch assembly that also serves as the switch holder in a microwave. It engages the door switches when the door is closed, ensuring the microwave operates safely and only when properly sealed. Replace this part if the microwave door won't latch securely, the unit fails to start, or the door switches are not activating correctly.

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

This lever is part of the door lock/latch mechanism. It engages with the latch to allow the door to lock and unlock smoothly, helping the appliance start and run only when the door is securely closed.

• Transfers motion from the handle/lock assembly to engage or release the latch
• Worn or broken levers can cause the door not to latch, not start, or show door-closed errors
• Cause difficulty opening/closing or a loose handle feel when faulty

• Disconnect power and shut off water before servicing
• Access is typically from the inner door panel; retain original screws and clips
• Note the lever's orientation and linkage points before removal
• Test door operation and cycle start after reassembly

The Switch is an OEM part for Bosch microwaves. It plays a role in the safety and functionality of the microwave, acting as a security mechanism that prevents the microwave from operating when the door is open. This ensures that microwave radiation is contained and only in use when the door is securely closed, protecting users from accidental exposure.

Causes of a malfunctioning door switch can range from physical damage, such as cracks or wear from repeated use, to electrical issues like short circuits or disconnections.  

Symptoms of a bad Microwave Door Switch include:

• The microwave fails to start or stops unexpectedly.
• The interior light fails to turn on or off appropriately.
• Unusual sounds when the door is opened or closed.
• The microwave operates only when the door is in a certain position or not at all.

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

The Microwave Switch is an OEM part for Bosch microwaves. It functions as a safety device that ensures the microwave operates only when the door is securely closed.

You should replace this microwave switch if it becomes faulty due to wear and tear, or if it's damaged from electrical issues or physical impact. A malfunctioning switch can prevent the microwave from starting, cause it to stop unexpectedly, or lead to safety hazards by allowing the microwave to run with the door open.

Symptoms of a bad microwave switch include:

• Microwave not starting
• Intermittent operation or shutting off unexpectedly
• Microwave running with the door open
• Error codes related to door or safety switches

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

This door switch is a safety interlock that detects whether the microwave door is properly closed before allowing the unit to operate. It is mounted near the door latch mechanism inside the microwave's cabinet. Replace this switch if the microwave does not start when the door is closed, runs with the door open, or if it blows a fuse when the door is opened or closed.

This temperature regulator is the thermostat control that helps maintain the correct interior temperature by cycling the cooling system on and off. It replaces a failed regulator to restore steady temperature control and reduce temperature swings. What it does:

• Senses and regulates appliance temperature to keep the compartment within set range
• Cycles the compressor or cooling components to maintain consistent cooling
• Commonly used when interior temperature is too warm, fluctuating, or compressor runs continuously
• Works with the appliance's control system to trigger cooling actions as needed

• Disconnect power before servicing to avoid shock or damage
• Handle the sensor and terminals carefully; avoid bending or stressing the connector
• Verify correct orientation and secure mounting; confirm electrical connector is fully seated

Mounting screw for microwave installation and assembly. Replaces lost, stripped, or damaged screws that secure panels, brackets, or components.

Microwave not heating? The magnetron tube generates the microwave energy needed to heat food. Requires electrical knowledge to replace safely.

Replacement mounting screw for microwave ovens. Secures panels, brackets, and internal components. Needed when original fasteners are lost or stripped.

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

Mounting screw for microwave installation and assembly. Replaces lost, stripped, or corroded screws used to secure panels, brackets, or hardware.

Microwave not heating food? The high voltage transformer powers the magnetron. Moderately difficult repair requiring electrical safety precautions.

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

This temperature regulator is the replacement control component that helps maintain proper temperature regulation in your appliance, restoring consistent heating or cooling performance when the original regulator fails. What it does:

• Senses and regulates temperature input to the appliance control system to maintain set temperatures
• Can cause inaccurate temperatures, inconsistent cycling, or failure to heat/cool when worn or faulty
• Replaces a failed or intermittent regulator to restore normal temperature control behavior
• Works as part of the appliance's thermal control circuit

• Disconnect power to the appliance before attempting any service to avoid shock or damage
• Handle the part by its housing; avoid touching electrical contacts or circuit traces
• Basic tools may be required; follow the appliance service manual for access and mounting steps

The Temperature Regulator is an OEM replacement part for Bosch microwaves. It plays a crucial role as an electronic interface governing set temperatures and interior heating levels. Consistent and calibrated regulation is necessary for safe and evenly cooked meals. 

Causes of a bad temperature regulator can include normal wear from continual heating cycles. Water damage from condensation or spills has the potential to impact electrical components.

Symptoms of a bad temperature regulator include:

• Inaccurate or fluctuating interior heat, causing cold or hot spots 
• Temperature settings that do not correspond to actual conditions
• Failure to properly increase or decrease power as programmed
• Sensor malfunctions requiring foods to be under or overcooked 

This OEM Bosch part is also compatible with Thermador, Gaggenau, and some Kenmore models. Replacing it ensures continued precise temperature control and safe, reliable microwave operation.

Replacement mounting screw for microwave panels and components. Secures brackets, trim pieces, and internal parts. Needed when original is stripped, lost, or damaged.

This high-voltage capacitor helps stabilize and smooth the appliance's high-voltage supply, supporting reliable operation of inverter and power-control circuits. Replacing a failing capacitor can stop intermittent power faults and erratic control behavior. What it does:

• Stores and releases energy to stabilize the appliance's high-voltage supply
• Reduces voltage spikes and helps prevent arcing in power-control circuits
• Supports proper operation of inverter-driven motors and electronic controls
• Common symptom: appliance has intermittent power loss, fault codes, or won't start due to unstable high-voltage supply

• Disconnect power at the breaker and unplug the appliance before servicing
• Capacitors can hold charge after power is removed—discharge safely and verify with a meter before touching terminals
• Handle by the body and avoid shorting terminals; use insulated tools

If your microwave runs but won't heat food, the high-voltage diode may have failed. This part converts AC current to DC for the magnetron to heat properly.

Replacement electrical fuse that protects the appliance's control circuits from overloads and short circuits. Installing a correct replacement fuse restores circuit protection and can allow the appliance to power up normally after a blown fuse. What it does:

• Protects control and power circuits by opening when excess current or a short occurs.
• Common symptom: appliance is completely dead or the control panel is unresponsive.
• Also used when intermittent power or repeated tripping indicates a failed circuit protector.
• Keeps a failed circuit isolated to help prevent further damage to the control board or wiring.

• Always disconnect power at the breaker or unplug the appliance before inspecting or replacing the fuse.
• Verify the part number and electrical rating on the old fuse matches the replacement; replace only with an identical-rated fuse.
• Test the old fuse for continuity with a multimeter to confirm failure before replacing.