Bosch Refrigerator KKU3301TR Parts

The Bulb is an OEM part for Bosch ovens. This component provides illumination inside the oven, allowing you to easily monitor the cooking process without opening the door and losing heat.

Causes of a bad bulb can include filament burnout due to extended use, electrical issues that cause power surges, or physical damage from accidental impacts. 

Symptoms of a bad bulb include:

• The oven light not turning on
• Flickering light inside the oven
• Dim or uneven lighting
• The bulb appearing visibly damaged or burnt out

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

This temperature limiter safeguards the evaporator defrost heater by opening the circuit if temperatures rise too high. Replacing a failed limiter restores defrost safety and helps prevent frost buildup and inconsistent cooling performance.

• Protects the defrost circuit by cutting power to the evaporator heater when an over-temperature condition is detected
• An open/failed limiter prevents the heater from energizing, causing frost accumulation on the evaporator and warm refrigerator temps
• Designed to be installed in the original location and orientation for accurate temperature sensing

• Disconnect power before servicing; evaporator fins and sheet metal are sharp—use cut-resistant gloves
• Access the evaporator compartment and note the limiter's original mounting and wire routing before removal
• Transfer any clips/insulation sleeves and reconnect wiring to the same terminals; do not bypass this safety device
• Reassemble, restore power, and monitor for normal defrost operation

Fixes incorrect temperature readings or frequent cycling. This thermistor monitors compartment temp for proper cooling. Moderate DIY repair, 30-45 minutes.

This starting relay engages the refrigerator/freezer compressor during startup so the appliance reaches proper cooling quickly and reliably. It replaces a failed relay to restore normal compressor startup behavior. What it does:

• Provides the initial electrical kick to the compressor motor during startup
• Stops the compressor from stalling at power-up and helps prevent repeated restart attempts
• Common symptom of failure: fridge/freezer not cooling, compressor hums but won't start
• Other symptom: intermittent starting or frequent clicking noises when the compressor tries to engage

• One starting relay

• Disconnect power to the appliance before accessing the compressor or handling electrical components
• Mount in the original relay location and ensure secure electrical connections; do not force terminals