Bosch Refrigerator B21CT80SNB Parts
Genuine Bosch part
By: Bosch
Part Number: 11034152
Removes impurities from your refrigerator's water and ice supply. Replace every 6 months for clean, fresh-tasting water. Verify fit by model number.
Do-It-Yourself Stories from Customers like You
Replace refrigerator water filter. Elden H. • Columbus , OH • August 12, 2019
Removed old filter and installed new filter.
Read more
More
$52.95
- Compare At:
-
$63.54
- You Save:
-
$10.59
Genuine Bosch part
By: Bosch
Part Number: 11016450
Replacement door shelf for refrigerator. Mounts inside door panel to hold beverages, condiments, and snacks. Replace if cracked, broken, or missing.
More
$46.68
- Compare At:
-
$56.02
- You Save:
-
$9.34
Genuine Bosch part
By: Bosch
Part Number: 00716823
Replace a cracked, broken, or missing refrigerator shelf to restore stable storage space. Installs inside your unit for organized food placement.
Do-It-Yourself Stories from Customers like You
The plastic top on chiller drawer cracked. Pam M. • Radford , VA • April 16, 2022
Replaced the shelf.
Read more
More
$102.32
- Compare At:
-
$121.76
- You Save:
-
$19.44
Genuine Bosch part
By: Bosch
Part Number: 00716821
Storage shelf for bottom-mount refrigerators. Holds food items and organizes interior space. Replace if cracked, broken, or damaged from wear.
Do-It-Yourself Stories from Customers like You
Broken shelf prevented drawers from gliding Mike T. • Seattle , WA • June 19, 2026
Pulled out the drawers, removed the broken shelf, put in the new shelf, replaced the drawers
Read more
More
$142.78
- Compare At:
-
$157.06
- You Save:
-
$14.28
Genuine Bosch part
By: Bosch
Part Number: 12013743
The Fill Safety Valve is an OEM component specifically designed for Bosch refrigerators. It serves an important safety function in maintaining proper water levels inside water dispensers.
The valve regulates water flow based on the fill status. This prevents overfilling and accidental leaking that could damage internal refrigerator components.
Symptoms of a bad valve can include:
- Unintended dispensing of water even when the reservoir is full
- Leaking and overflow around the dispenser area
- The inability to fill the water reservoir
Causes may involve normal wear like scale buildup affecting valve closure over time. Impact damage could also impact functionality.
This OEM Bosch replacement part is also compatible with Thermador, Gaggenau, and some Kenmore refrigerator models utilizing comparable water dispensing systems. Replacement ensures safe, reliable operation.
More
$144.95
- Compare At:
-
$172.49
- You Save:
-
$27.54
Genuine Bosch part
By: Bosch
Part Number: 00774902
Replace a cracked, broken, or missing refrigerator shelf to restore organized storage space. This shelf provides a sturdy surface for items inside your fridge.
More
$108.95
- Compare At:
-
$129.65
- You Save:
-
$20.70
Genuine Bosch part
By: Bosch
Part Number: 12019990
The Heating Element Thermostat is an OEM part for Bosch refrigerators. As a key component for temperature control, the thermostat monitors and regulates power to the pantry and freezer compartment heating elements. Maintaining precise interior conditions preserves foods at their freshest.
Causes of a faulty thermostat can include deterioration or malfunctions in the electronic board or sensor mechanism over extended use.
Symptoms of a bad thermostat include:
- Fluctuating or inaccurate temperature readings inside compartments
- Compartments failing to reach or maintain proper cooling or freezing levels
- Frost or ice buildup inside compartments where none should occur
This genuine OEM Bosch part is also compatible with Thermador, Gaggenau and select Kenmore models.
More
$32.23
- Compare At:
-
$38.03
- You Save:
-
$5.80
Genuine Bosch part
By: Bosch
Part Number: 12014383
Fix incorrect refrigerator temperatures with this temperature sensor. Monitors and maintains proper cooling levels. Easy DIY repair in 30 minutes.
More
$86.40
- Compare At:
-
$95.04
- You Save:
-
$8.64
Genuine Bosch part
By: Bosch
Part Number: 11022820
The Defrost Heater is an OEM part for Bosch refrigerators. Strategically placed at the rear of the freezer compartment, it quickly removes frost and ice during automatic defrost cycles. The defrost heater utilizes precisely regulated currents to raise temperatures temporarily and expel moisture.
Causes of a bad defrost heater may involve failures due to regular heating and cooling over countless cycles. Mineral or ice deposits can restrict filaments or warp sensitive components within.
Symptoms of a bad defrost heater include:
- Frost buildup despite automatic defrost mode being set
- High energy bills indicating excess run-time to fully defrost
- Warm areas detected behind removable freezer panels
- Risk of frost and condensation dripping onto stored items
Replacing your malfunctioning heater ensures even temperatures throughout. This genuine Bosch part restores frost-free convenience and maintains cooling efficiency. It is compatible with some Thermador, Gaggenau, and Kenmore models.
Do-It-Yourself Stories from Customers like You
The refrigerator section is freezing Derik P. • Mountain View , CA • December 14, 2025
Replaced the defrost heater.
Read more
More
$78.27
- Compare At:
-
$93.14
- You Save:
-
$14.87
Genuine Bosch part
By: Bosch
Part Number: 00774912
Freezer not cooling or frosting over? This evaporator coil circulates refrigerant to remove heat and restore proper temperatures in your refrigerator.
More
$166.49
- Compare At:
-
$198.12
- You Save:
-
$31.63
Genuine Bosch part
By: Bosch
Part Number: 12013732
If your refrigerator is leaking water or the dispenser isn't working, this two-way water valve controls flow between outlets. Restores proper dispensing.
More
$113.99
- Compare At:
-
$123.08
- You Save:
-
$9.09
Genuine Bosch part
By: Bosch
Part Number: 12014138
This is a slide rail used in the freezer compartment of a refrigerator. It mounts inside the freezer cavity and allows the drawer to glide smoothly in and out. Replace this rail if the freezer drawer is difficult to open or close, feels wobbly, or has come off its track.
More
$111.52
- Compare At:
-
$122.67
- You Save:
-
$11.15
Genuine Bosch part
By: Bosch
Part Number: 10001350
Replacement mounting bolt for bottom-mount refrigerators. Secures internal components and structural parts. Order a new bolt if original is stripped, missing, or damaged during repair work.
More
$11.95
- Compare At:
-
$14.34
- You Save:
-
$2.39
Genuine Bosch part
By: Bosch
Part Number: 12014137
This is a slide rail that guides and supports a freezer drawer as it opens and closes inside the refrigerator. It mounts to the interior wall or frame of the freezer compartment and allows smooth, even drawer movement. Replace this rail if the freezer drawer sticks, wobbles, tilts to one side, or will not slide in and out properly.
More
$161.47
- Compare At:
-
$190.53
- You Save:
-
$29.06
Genuine Bosch part
By: Bosch
Part Number: 00776238
This rack rail is a replacement slide that supports and guides a dishwasher rack so it rolls smoothly in and out. It restores proper rack movement and helps prevent the rack from sagging or coming off the track. What it does:
- Provides a smooth sliding surface for the dishwasher rack to roll on
- Keeps the rack aligned and prevents it from tipping or falling
- Reduces grinding or noisy movement caused by a worn or broken rail
- Helps restore normal loading and unloading of dishes when the rack won't glide
What's included: One rack rail Install notes:
- Disconnect power to the dishwasher before servicing; turn off water supply if needed
- Remove the affected rack and any retainers or clips to access the rail
- Replace the damaged rail and reassemble clips/rack in the original orientation
More
$83.33
- Compare At:
-
$91.66
- You Save:
-
$8.33
Genuine Bosch part
By: Bosch
Part Number: 10001331
Replacement holder for bottom-mount refrigerators. Secures components in place inside the refrigerator compartment. Needed when original is cracked or broken.
More
$8.02
- Compare At:
-
$8.82
- You Save:
-
$0.80