Parts for Thermador KBUDT4255E/04: Compressor Parts

This Bosch filter removes contaminants and improves water taste. The filter should be changed every six months for best performance. Simple installation requires no special tools. Measures approximately 13.25" x 2.5" x 2.5".

This inverter motor control board manages variable motor speed to enable smooth, efficient operation of the appliance. Replaces a failed inverter to restore proper motor control and reduce erratic motor behavior. What it does:

• Controls variable-speed motor operation and converts power for the motor drive
• Helps maintain steady motor speed during cycles for consistent performance
• Often replaces a faulty inverter causing motor stalls, error codes, or loss of drive
• Can resolve intermittent operation, humming, or motors that won't start

• Disconnect power before attempting replacement to avoid shock or damage
• Handle the control board by its edges and avoid touching components or connectors
• Verify connector alignment and secure mounting; confirm all wiring matches original
• If you see corrosion or other damaged wiring, inspect and repair harnesses before powering up

The Compressor is an OEM part for Bosch refrigerators. This part is responsible for maintaining the desired temperature inside your refrigerator by compressing and circulating refrigerant throughout the cooling system.

A bad compressor can occur due to electrical malfunctions, mechanical failures, or normal wear and tear over time. Signs of a faulty compressor include inadequate cooling, unusual noises coming from the refrigerator, or the refrigerator not turning on at all.

Symptoms of a bad compressor include:

• Inadequate cooling 
• Unusual noises 
• The refrigerator not turning on  

Replace your faulty compressor with this genuine OEM Bosch part to restore your refrigerator. This Bosch part can also be used on Thermador and Gaggenau appliances.
 

This fan motor drives the blower assembly to move air for proper drying and ventilation performance. It restores airflow and can reduce noise or overheating caused by a failed blower motor. What it does:

• Spins the blower wheel to circulate air through the appliance
• Restores proper airflow for drying/venting cycles
• Can eliminate weak airflow, unusual fan noise, or overheating symptoms
• Works with the blower housing and associated fan controls

• Disconnect power before beginning any repair to avoid shock.
• Handle the motor and wiring harness carefully; avoid contaminating the motor shaft and connectors.
• Basic hand tools are usually required; follow the appliance service manual for correct disassembly/reassembly.