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Model # HBN455AUC Official Bosch wall oven
Here are the diagrams and repair parts for Official Bosch HBN455AUC wall oven, as well as links to manuals and error code tables, if available.
Installation guide
Owner’s manual
Error CodesBy Schematic
By Part
SELECT DIAGRAM
Browse Parts for
HBN455AUC Wall Ovens
Oven bulb
Part #420228
Replaced by #00189351
?
Manufacturer substitution
This part replaces 420228. Substitute parts can look different from the original.
$25.79 |
19% OFF Phone Price : $31.79
In Stock
Thermostat
Part #491421
The manufacturer no longer makes this part, and there's no substitute part
#240872
Lower body diagram
Fascia panel
Part #240872
The manufacturer no longer makes this part, and there's no substitute part
#421468
Fascia panel diagram
Clip
Part #421468
The manufacturer no longer makes this part, and there's no substitute part
#420989
Fascia panel diagram
Sleeve
Part #420989
The manufacturer no longer makes this part, and there's no substitute part
Tray
Part #240814
The manufacturer no longer makes this part, and there's no substitute part
#434078
Lower door diagram
Oven panel
Part #434078
The manufacturer no longer makes this part, and there's no substitute part
Lock washer
Part #420210
The manufacturer no longer makes this part, and there's no substitute part
Mounting
Part #420237
The manufacturer no longer makes this part, and there's no substitute part
#421027
Fascia panel diagram
Select switch
Part #421027
The manufacturer no longer makes this part, and there's no substitute part
Most common symptoms to help you fix your wall oven
Choose a symptom to see related wall oven repairs.
Main causes: bad oven door lock assembly, faulty electronic control board, wiring failure…
Main causes: broken bake element, bad bake burner igniter, tripped thermal switch, control system failure…
Main causes: faulty oven temperature sensor, control system problem, weak burner igniter, damaged oven element…
Main causes: lack of gas supply, broken igniter, tripped circuit breaker, broken oven element, tripped thermal fuse, con…
Main causes: lack of electrical power, bad electronic control board, faulty oven control thermostat…
Main causes: broken broil element, faulty broil burner igniter, control system failure…
Most common repair guides to help fix your wall oven
These step-by-step repair guides will help you safely fix what’s broken on your wall oven.
How to replace a wall oven thermal fuse
The thermal fuse trips to prevent the over from excessively overheating. The oven won't heat again until you replace the…
Repair difficulty
Time required
60 minutes or less
How to replace a wall oven control thermostat
Get your oven temperature under your control by replacing a faulty oven control thermostat.…
Repair difficulty
Time required
60 minutes or less
How to replace wall oven door hinges
If your oven door flops open fast, it's time to replace the hinges. Follow these step-by-step instructions to do it your…
Repair difficulty
Time required
15 minutes or less
Effective articles & videos to help repair your wall oven
Use the advice and tips in these articles and videos to get the most out of your wall oven.
Get tips on completing essential holiday cleaning tasks to brighten your home.…
Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier.…
Get answers to frequently asked questions about Sears and Sears PartsDirect.…