Thermador Cooktop Parts

The Range Filter is an OEM part for Bosch range hoods. It is designed to trap grease, smoke, and other airborne particles during cooking, helping to keep the kitchen air clean and preventing buildup on the internal components of the range hood. It measures approximately 10-3/4" x 24-1/2".

Common causes of a bad range filter include accumulation of grease and debris from regular cooking, wear and tear from cleaning, and physical damage such as bends or breaks in the filter material.

Symptoms of a bad range filter include:

• Reduced airflow or ventilation efficiency
• Excessive smoke or odors lingering in the kitchen
• Visible grease buildup on the filter
• The filter appearing damaged or misshapen

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

The Spark Switch is an OEM part for Bosch ranges. This part ignites the burners by sending a signal to the spark module, which then produces the spark needed to ignite the gas.  

Causes of a bad spark switch can include wear and tear from regular use, damage from spills or cleaning agents, or electrical issues.  

Symptoms of a bad spark switch include:

• Burners not igniting
  Continuous clicking even after the knob is turned off
  No spark when attempting to ignite the burner
  The cooktop not producing a flame

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

The Bake Element is an OEM part for Bosch ranges and ovens. It is responsible for generating heat through its calibrated heating coils to bake and roast foods evenly. Consistent heat production is essential for optimal cooking performance.

Causes of a bad bake element can include coil failure due to deterioration over time and heat exposure, cracks or damage to insulators, or interrupted electrical flow.

Symptoms of a failed bake element include:

• Incomplete or uneven baking
• Extended cook times even at higher temperatures
• Failure to reach or maintain desired bake temperature settings
• Cool spots or cold spots appearing inside oven cavity

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

The Oven Burner Igniter is an OEM part for Bosch ranges. This part ignites the gas burner to provide the necessary heat for cooking. The igniter works by heating up and creating a spark that ignites the gas, ensuring efficient and reliable operation of the oven.

Causes of a bad igniter can include regular wear and tear, damage from repeated heating cycles, or issues with the electrical connections.  

Symptoms of a bad igniter include:

• The oven not heating up
• Difficulty igniting the burner
• The burner not staying lit
• Unusual clicking or sparking noises during ignition

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

The Ignition Device is an OEM part for Bosch gas cooktops. This ignitor is responsible for sparking the burners to safely ignite the gas flow and initiate the cooking process.

The ignition device works through a high-voltage electrical arc that produces a spark near each gas burner valve whenever a cooktop burner is turned on. This spark reliably ignites the gas, allowing full and consistent burner flame.

Causes of a bad ignition device can include defects in the electronic components, wear and tear of the electrode tips over time, or issues preventing a strong enough spark from occurring.

Symptoms of a bad ignition device include:

• Burners that will not light or remain lit
• Repeated lighting attempts required before a flame is produced
• Inconsistent or intermittent ignition between burners
• Burners that light but then extinguish unexpectedly

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

This factory fixing kit supplies the OEM hardware required to secure the appliance or designated components during installation or service. Replacing missing or damaged fasteners restores a solid, aligned mount so the unit stays stable without shifting, rattling, or gaps.

• Provides the correct hardware to fasten parts per your model's installation or service instructions
• Replaces stripped, corroded, or missing screws/clips that lead to looseness
• Helps maintain alignment and clearances to prevent gaps, rattles, or vibration
• Typical symptoms: loose mounting, panels that shift, or movement when opening/closing doors or drawers

• Disconnect power; shut off water or gas if applicable before starting work
• Follow the model-specific installation/service manual for attachment points and sequence; use the proper driver bit and do not overtighten
• Verify the unit is level and securely anchored; check clearances and operation after securing

This Bake Element is an OEM part for Bosch Ovens. It's responsible for providing heat in the oven cavity for baking and cooking purposes. With prolonged use, the bake element can wear out or malfunction.

Frequent use at high temperatures can cause the bake element to deteriorate over time. Physical damage or overheating may also contribute to its failure.

Symptoms of a Bad Bake Element:

• Uneven cooking or baking
• Inconsistent oven temperatures
• Oven takes longer to preheat

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

The oven door gasket is the heat-resistant seal around the 30-inch oven cavity. It helps the oven reach and hold temperature, preventing heat and steam leaks, and replaces a worn or damaged seal for consistent baking results.

• Seals the door-to-cavity gap to limit heat and moisture loss
• Restores proper door compression to help maintain accurate temperatures and normal preheat times
• Replaces gaskets that are torn, frayed, flattened, brittle, or stretched
• Common symptoms: hot air or steam escaping at door edges, temperature fluctuations, longer cook times, or a door that no longer closes snugly

• Disconnect power and allow the oven to cool completely before servicing
• Open the door and remove the old gasket, noting seam orientation and where the ends seat
• Clean the mating surfaces; install the new gasket with the seam at the bottom center, seating the ends fully into the factory holes/retainers without overstretching
• Close the door and check for uniform contact around the perimeter

Note: Kit includes 4 feet and a tube of RTV with instructions.

This door seal restores a tight barrier between the oven door and cavity. Replacing a worn gasket helps your oven reach and hold temperature, reduces heat escaping at the door edges, and supports more consistent baking and roasting results.

• Creates a heat-resistant seal around the oven opening
• Helps the oven preheat and maintain set temperature
• Limits heat, steam, and odors from escaping at the door
• Typical signs it needs replacement: visible tears or flattening, heat felt around the door, longer preheat/cook times, or uneven baking

• Disconnect power at the breaker and let the oven cool completely
• Open the door, pull the old seal from its channel, and clean the groove
• Press the new seal evenly into the channel without stretching; ensure corners seat fully
• Close the door to verify uniform contact all around and adjust as needed

This Bake Element is an OEM part for Bosch ranges. It serves a role in generating heat for baking and cooking in the main oven cavity. Over time, continuous use and high temperatures can cause the bake element to wear out or fail.

Repeated heating and cooling cycles can lead to the bake element's deterioration. Physical damage or exposure to excessive heat can also cause it to malfunction.

Symptoms of a Bad Bake Element:

• Inconsistent oven heating
• Uneven cooking or baking
• Oven not reaching set temperatures

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

The Fan is an OEM component specifically designed for select Bosch built-in ovens. As a critical convection element, it circulates internal air currents for optimal heat distribution throughout baking and broiling cycles.

Powerful yet precisely balanced centrifugal motion agitates spacious oven cavities with homogeneous warmth. Aerodynamic fan blades expedite even cooking without hot or cold spots. 

Causes requiring replacement relate to bearing seizure or broken blade attachments disrupting designed circulation. Prolonged heat exposure may cause premature motor failure or cracked housings to no longer sustain needed speeds.

Symptoms signaling the need for a new fan include:

• Inability to effectively circulate air for simultaneous multi-rack cooking  
• Louder than average operation noise accompanied by vibration
• Erratic or ineffective temperature management within cycles

This OEM Bosch replacement fan is also compatible with Thermador, Gaggenau, and some Kenmore built-in ovens employing convection methods. Proper reinstallation restores designed air transfer capabilities for perfect results.
 

The Lens Red Pilot Long is an OEM part for Bosch gas ranges. It serves as the indicator within individual burner controls, signaling at a glance whether a burner is active. Reliable performance is important for user awareness and safety.

Causes can be prolonged bulb operation wear, shocks or impact stress, or thermal cycling taking its toll over years of use.

Symptoms of a faulty lens include:

• Lens lamp failing to illuminate when burner engaged
• Flickering or intermittent glow rather than steady light
• Visible cracks or damage compromising lens integrity

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

This 1/4-inch gas supply tube routes fuel between internal gas components to deliver a stable, leak-resistant supply to the burner. Replacing a damaged tube helps restore safe operation and consistent burner performance.

• Carries gas between internal components (such as the valve/manifold and burner)
• Maintains a sealed pathway to prevent leaks
• Helps ensure proper ignition and flame size
• Common signs of failure: visible kinks, cracks, or corrosion; weak/no flame; gas odor near the tube

• Shut off gas supply and power before servicing; work in a well-ventilated area
• Match original routing and orientations; avoid kinks and sharp bends
• Tighten fittings to manufacturer guidance; do not overtighten
• Leak-test all joints with approved leak-detection solution and verify burner operation

This spark igniter is the burner electrode that creates the high-voltage spark to light the gas. Replacing a worn igniter restores quick, reliable ignition and helps eliminate repeated clicking or having to light the burner manually.

• Generates a spark at the burner to ignite gas during lighting
• Typical symptoms: burner won't light, no visible spark at that burner, intermittent or delayed ignition, or needing a match to light
• Replaces a cracked, fouled, or heat-damaged electrode that no longer sparks reliably
• Provides the ignition spark only; gas flow is managed by the valve

• Disconnect power and shut off gas before servicing
• Remove grates/caps and access the burner; note wire routing and mounting
• Transfer mounting hardware from the old igniter; handle the ceramic insulator gently and keep the tip clean
• Reassemble, restore power/gas, and verify proper spark and burner ignition

This potentiometer is the rotary sensor behind the control knob. It converts knob rotation into an electrical signal the control board uses to adjust settings, restoring smooth, accurate response when a worn or erratic control causes inconsistent operation.

• Translates knob rotation into a variable-resistance signal for the electronic control
• Enables the control board to regulate power/heat or speed, depending on model
• Common failure symptoms: unresponsive or jumpy settings, dead spots when turning, or settings that drift
• Helps restore precise, repeatable adjustments at the knob

• Disconnect power to the appliance before servicing
• Pull off the knob and open the control panel to access the potentiometer
• Move wires one at a time to the new part; align the shaft/flat to the knob as noted
• Reassemble and test full range of adjustment; follow any model-specific calibration if required