Hbn8451uc/03 Parts

The Heating Element is an OEM replacement part for Bosch electric wall ovens and ranges. It is responsible for providing precise heat control to oven cavities and cooking elements. 

Symptoms of an inadequate heating element include:

• Inability to reach or maintain proper oven temperatures  
• Fluctuating temperature readings inside oven cavities
• Slow or inadequate heating of elements for cooking 

Causes can be normal wear and tear after extended use. Exposure to splatters or residue over time may also reduce heating performance.

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

The Sensor is an OEM replacement part for Bosch ovens and ranges. It is an essential monitoring device that allows for precise temperature, element output, and error detection.

Symptoms of a faulty stove sensor include:

• Inability to properly detect or regulate temperatures  
• Failure to detect issues that result in error codes
• Elements do not heat or function as programmed
• Temperature or heat fluctuations during cooking

Causes can include normal wear over time or exposure to residue buildup. High heat cycles may also accelerate sensor deterioration.

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

The Display Module is an OEM component specifically designed for Bosch built-in ovens. It contains an electronic display and control board that allows users to program cooking modes, set temperatures, monitor time remaining, and receive feedback on oven status.

Causes of a bad display module can include liquid damage, impact damage that has caused the internal component failure, or wear over many years of use.  

Symptoms of a bad display module include:  

• Blank or unresponsive display screen
• Inability to change oven functions 
• Fault codes appearing
• Dimmed or flickering display lights

This replacement module is also compatible with Thermador, Gaggenau, and Kobeland Wolf built-in oven ranges.

The Heating Element Oven is an OEM part compatible with Frigidaire and Electrolux wall ovens and ranges. It generates targeted heat through accurate temperature coils to provide consistent, reliable baking and broiling. The oven element ensures warm, golden finishes for any recipe.

Causes of a damaged element include mineral buildup impeding heat transfer. Physical bending or cracking of fragile coils can occur from accidental impact over years of use.

Symptoms of a failed element are:

• Uneven or insufficient heat for cooking/baking 
• Extended preheat or cook times to reach temperatures
• Hot and cold spots within the oven cavity
• Complete lack of heat requiring replacement

Replacing with this genuine OEM part restores optimal performance. Compatible with Kenmore, Gibson, and some Admiral wall ovens.
 

The control module is an OEM replacement part for Bosch ovens and ranges. It is responsible for controlling the oven functions, including baking, broiling and self-cleaning modes. Over time, control boards can malfunction due to electrical surges, shorts or corrosion. 

Symptoms of a failing oven control board include: 

• Erratic oven temperatures
• Buttons not responding
• Error codes
• Oven not heating properly 

Replacing the defective control board restores full functionality to your Bosch oven. The control module is compatible with Bosch, Thermador, Gaggenau and some Kenmore models.

This dishwasher water sensor monitors wash-water conditions so the control can adjust cycle time, rinses, and heating for consistent performance. Replace a failed sensor to restore reliable cleaning results and proper automatic cycle adjustments. What it does

• Detects water conditions during the wash cycle and reports to the control
• Helps the dishwasher optimize cycle length, rinses, and energy use
• Common symptoms: unusually long or short cycles, inconsistent cleaning, or sensor-related error messages
• Trigger erratic cycle behavior when the sensor is faulty or contaminated

• One sensor assembly

• Disconnect power and turn off water before servicing
• Access is typically from the underside; place a towel or pan to catch residual water
• Transfer/seat the seal properly if present; fully engage the locking tabs and reconnect the harness
• After installation, run a quick cycle and check for leaks and proper operation

This temperature limiter is a safety thermostat that opens the circuit if the appliance overheats, protecting the heating system from damage. Replacing a failed limiter helps restore safe operation and consistent heating performance.

• Provides over-temperature protection by opening the electrical path at a calibrated limit
• Helps prevent overheating that can damage elements, wiring, or controls
• Common symptoms of a bad limiter: no heat, intermittent/weak heat, or cycles that stop early

• Disconnect power and allow the appliance to cool before servicing
• Note wire positions and transfer wires one at a time to the new limiter
• Reinstall in the original mounting location with firm, flush thermal contact
• Inspect and replace any heat-damaged connectors or wiring as needed

This convection fan motor drives the oven's internal fan to circulate hot air during convection cooking. Replacing a weak or seized motor restores proper airflow for more even heating, reliable temperatures, and consistent baking and roasting results.

• Powers the convection fan to move heated air across racks for even cooking
• Helps maintain stable cavity temperature and quicker recovery after door openings
• Common symptoms of a failing motor: fan won't turn, intermittent start/stop, loud squeal or grinding, uneven baking/roasting, or a fan-related error

• Disconnect power at the breaker before servicing
• Access from the rear of the unit or through the oven cavity (model dependent); remove the appropriate panel to reach the motor
• Note wire positions and motor orientation; transfer any brackets, grommets, or screws from the original if needed
• Ensure the fan blade spins freely and is properly seated before reassembly

The Heating Element is an OEM part for Bosch ovens. It is responsible for providing even and consistent heat distribution throughout the oven cavity during the convection cooking process.

A bad heating element can occur due to wear and tear over time, exposure to high temperatures, or damage caused by accidental mishandling. Signs of a faulty element include uneven cooking, longer cooking times, or complete failure of the convection feature.

Symptoms of a bad heating element include:

• Uneven cooking
• Longer cooking times 
• No heat being generated by the element

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

This temperature limiter is a safety thermostat that monitors heat and opens the circuit when temperatures exceed safe limits. It helps protect internal components by preventing overheating and unintended damage during operation. What it does:

• Monitors appliance temperature and interrupts power to the heater if excessive heat is detected
• Helps prevent overheating-related damage and safety hazards
• Common failure signs include no heat, intermittent heat, or the unit shutting off prematurely
• Tests open for continuity when tripped or failed

• 1 temperature limiter

• Disconnect power at the breaker and allow the appliance to cool completely
• Note wire locations and transfer one lead at a time to the new limiter
• Reinstall in the original position so the sensor makes proper contact as designed
• Inspect/replace any heat-damaged terminals; test operation after reassembly

This is the evaporator fan motor and blade assembly that circulates cold air across the evaporator and throughout the fresh food and freezer compartments for even cooling and proper temperature control.

• Draws air across the evaporator coils and distributes chilled air to all sections
• Helps prevent warm spots, frost build-up, and temperature swings
• Common failure symptoms: unusual fan noise, intermittent or no airflow, rising temperatures, or frost accumulating on the evaporator cover
• Located in the evaporator compartment; runs during cooling cycles

• Disconnect power before servicing; wear cut-resistant gloves
• Access is typically from the rear of the freezer/evaporator cover; remove shelves and panels as needed
• Note wire orientation and mounting before removal; transfer grommets/brackets if applicable
• After installation, verify unobstructed fan spin and restore power to test operation

The Programmed Control Module is an OEM part for Bosch wall ovens. Neatly housed within the control console, it directs all cooking functions through internal microchips and circuitry. As the central processor, it seamlessly coordinates temperature regulation, convection fans and timed operations.

Causes of a bad programmed control module can involve failures of microchips or circuit boards from long-term exposure to heat inside the oven cavity. Power surges may disrupt internal wiring over time.

Symptoms of a bad programmed control module include:

• Inability to select or change cooking modes and features
• Faulty or non-responsive displays and buttons
• Failure to properly ignite burners or heat oven cavities
• Fault codes appearing during use

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

This Terminal Box is an OEM part for Bosch Built-In Ovens. Integral to the oven's electrical system, this component serves as a secure connection point for various electrical wires within the appliance.

A common issue with a malfunctioning Terminal Box is loose connections or damage to the terminal block due to heat exposure or aging. 

Symptoms of a defective Terminal Box may include:

• Inconsistent power supply to the oven
• Non-functional heating elements
• Sparks or electrical arcing within the terminal box area

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

Replacement interior lamp that restores lighting inside your appliance so you can see contents and monitor cooking without opening the door. Simple, direct-fit replacement for compatible Bosch appliances. What it does:

• Provides interior illumination so you can safely check food and cooking progress.
• Replaces a burned-out, dim, or flickering lamp that causes the interior light to fail.
• Fits the existing lamp socket and reconnects to the appliance's original wiring; restores normal lighting without modifying the appliance.

• Always disconnect power or unplug the appliance before replacing the lamp to avoid shock.
• Allow the old lamp to cool completely; handle the new lamp with gloves or a clean cloth to avoid contaminating the glass.
• Seat the lamp into the socket without forcing; restore power and test operation.

The Spacer is an OEM part for Bosch ranges. This part is designed to prevent metal-on-metal contact, reducing noise and wear by providing a cushioning buffer at strategic locations on the range. The bumper helps protect the range's finish and integrity by absorbing impacts that can occur during use, such as when closing the oven door or moving the range for cleaning.

Causes of a bad spacer can include deterioration from heat exposure, which can lead to hardening and cracking, or physical damage from impact or excessive force used during appliance movement.

Symptoms of a bad spacer include:

• Increased noise during door operation
• Visible damage or wear to the appliance where the bumper is installed
• The bumper becoming loose or falling off
• Scratches or other damage appearing on surfaces that should be protected

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

The Door Latch is an OEM part for Bosch wall ovens and ranges. It secures the oven door safely closed during baking and broiling. As an essential component for safety, the latch allows controlled access to the cooking cavity while preventing accidental openings.

Causes can be wear from constant use, damage from impact, or deterioration of latch parts over time.

Symptoms of a faulty latch include:

• The door popping or swinging open during use
• Difficulty closing or fully engaging the latch mechanism
• Looseness around the door seal compromising heat retention

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