Parts for Kitchenaid KBBL306ESS05: Upper Unit Parts

This is the appliance's main electronic control board—the central "brain" that manages power, timing, and communication between the user controls and internal components to run cycles reliably and restore normal operation when the original board fails. What it does:

• Distributes power and controls timing for key loads (motors, valves, heaters, fans) per program logic
• Communicates with the user interface and sensors to execute selected cycles/settings
• Monitors system status and may store/trigger diagnostic error codes
• Failure symptoms can include no power, won't start, random resets, unresponsive controls, blank display, or erratic cycle progress

• One electronic control board assembly

• Disconnect electrical power before servicing; verify no voltage is present
• Handle the board by the edges and use ESD precautions to protect circuitry
• Photograph/label wire connectors; transfer plugs one at a time and seat fully
• Reinstall covers, restore power, and run the model's diagnostic/test routine to verify operation

The Inverter Box is an OEM component specifically designed for Whirlpool side-by-side refrigerators. Located in the refrigerator's rear wall, it regulates the variable speed cooling system for efficient, energy-saving performance.

Causes of a bad inverter box include moisture infiltration that corrupts electronic sensors and circuitry. Overheating due to lack of ventilation can likewise damage precision components.

Symptoms of a bad inverter box include:

• Erratic temperature fluctuations inside the fridge
• The compressor failing to power on or off appropriately  
• Refrigerator unable to cool below set threshold
• High energy usage detected on utility bills

This OEM Whirlpool replacement inverter box restores tailored cooling. Its ventilated casing and conformal coating protect circuitry to maximize lifespan.

This part is also compatible with some GE, Crosley, KitchenAid, and select Kenmore side-by-sides for reliable, efficient cooling comfort.

The Power Control Board is an OEM component for Whirlpool refrigerators. It is an essential electronic component responsible for monitoring and regulating power distribution throughout the entire unit. The power control board controls components such as cooling fans, compressors, lights, ice makers, and more.

Symptoms of a bad power control board include: 

• Lights, fans, or other components failing to turn on
• Inability to adjust temperature settings  
• Constant tripping of circuit breakers
• Error codes displayed that cannot be cleared

Causes of failure include moisture damage, component breakdown over time, or power surges that can fry circuitry.

This OEM Whirlpool part is also compatible with Maytag, KitchenAid, Jenn-Air, Amana, Magic Chef, Admiral, Norge, Roper, and Kenmore refrigerator models.

This Drier Tube is an OEM part for Whirlpool Refrigerators. It plays a role in filtering and drying the refrigerant. Wear, leaks, or clogs can cause issues with this part.

What Causes a Bad Refrigerator Drier Tube:
Wear, leaks, or clogs within the tube can affect the refrigeration process or cause leaks.

Symptoms of a Bad Refrigerator Drier Tube:

• Insufficient cooling or freezing
• Refrigerant leaks or hissing sounds
• Excessive moisture around the tube area

This OEM Whirlpool part is also compatible with Maytag, KitchenAid, Jenn-Air, Amana, Magic Chef, Admiral, Norge, Roper and some Kenmore models. 

The Condenser Fan Motor is an OEM replacement part for Whirlpool refrigerators. Located inside the machine compartment, it powers the condenser fan needed for heat exchange.

Causes involve standard motor degradation from prolonged usage. Excess dirt buildup over time may also hinder adequate blade movement.

Symptoms of a faulty condenser fan motor include:

• Inability to adequately cool interior compartments
• The refrigerator runs continuously with the exterior surface staying hot
• Grinding or buzzing noises emanating from the refrigerator's rear
• Visible condenser fan blades stalled or rotating slowly

This is a genuine Whirlpool OEM replacement this part is also compatible with Maytag, Jenn-Air, and some Kenmore models.

This is a replacement mounting screw used to secure appliance panels and small components. It provides a correct-fit fastener to restore secure attachment and eliminate rattles or loose parts. What it does:

• Secures trim, panels, brackets, or small assemblies to prevent movement and vibration
• Restores proper alignment when a worn or missing screw causes loose parts or noise
• Works as a direct-replacement fastener where the OEM screw specification is required

• One replacement screw

• Use the correct driver bit to avoid stripping the head; do not overtighten
• Disconnect power and follow appliance safety guidelines when accessing internal components
• If the original mounting hole or threads are damaged, repair or replace the mounting hardware before reinstalling

This replacement power cord restores electrical connection to the appliance, providing a safe and reliable feed when the original cord is damaged or worn. It's a direct-fit wiring component meant for like-for-like replacement. What it does:

• Delivers AC power from the wall outlet to the appliance so it can operate.
• Replaces cords that are frayed, cut, melted, scorched, or have exposed wiring.
• Helps stop intermittent power, arcing at the plug, or appliances that won't power on due to cord damage.
• Works with the appliance's factory power inlet and strain-relief system when installed correctly.

• One replacement power cord.

• Always disconnect power at the breaker and unplug the appliance before installing.
• Match this cord to the appliance's original cord and connect using the existing terminals or connector; do not splice or alter wires.
• Use the proper strain relief and secure the cord to prevent pulling or chafing.