Bosch
Electric Wall Oven

Model # HBN455AUC/01 Official Bosch electric built-in oven

Here are the diagrams and repair parts for Official Bosch HBN455AUC-01 electric built-in oven, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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Showing 10 of 90 parts  |

Oven Bulb 420228
Oven bulb

Part #420228

Replaced by #00189351

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Manufacturer substitution
This part replaces 420228. Substitute parts can look different from the original.
$25.79
19% OFF Phone Price : $31.79
In Stock
Screw 420221
Screw

Part #420221

The manufacturer no longer makes this part, and there's no substitute part

Support 490363
Support

Part #490363

The manufacturer no longer makes this part, and there's no substitute part

Thermostat 491421
Thermostat

Part #491421

The manufacturer no longer makes this part, and there's no substitute part

Latch 418427
Latch

Part #418427

The manufacturer no longer makes this part, and there's no substitute part

Pin 421538
Pin

Part #421538

The manufacturer no longer makes this part, and there's no substitute part

Bracket 421545
#421545

Fascia panel diagram

Bracket

Part #421545

The manufacturer no longer makes this part, and there's no substitute part

Oven Element 420225
Oven element

Part #420225

The manufacturer no longer makes this part, and there's no substitute part

Insulator 418419
Insulator

Part #418419

The manufacturer no longer makes this part, and there's no substitute part

Complete Support 490361
#490361

Upper cavity diagram

Complete support

Part #490361

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 broil element, faulty broil burner igniter, control system 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 electrical power, bad electronic control board, faulty oven control thermostat…

Main causes: lack of gas supply, broken igniter, tripped circuit breaker, broken oven element, tripped thermal fuse, con…

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 door outer glass panel

How to replace a wall oven door outer glass panel

Learn how to replace a damaged outer window panel on your wall oven door with these step-by-step instructions. …

Repair difficulty
Time required
 45 minutes or less
How to replace a wall oven control thermostat

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 a wall oven thermal fuse

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

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.

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5 Holiday Cleaning Tasks Essential to Boosting Your Home’s Image

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How to enjoy all the online benefits we offer on our Sears PartsDirect website

Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier.…

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Top questions about Sears and Sears PartsDirect

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