Bosch
Electric Wall Oven

Model # HBN445AUC/01 Official Bosch electric built-in oven

Here are the diagrams and repair parts for Official Bosch HBN445AUC-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 135 parts  |

Oven Bulb 420228
#420228

Cavity diagram

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
Element 420224
#420224

Cavity diagram

Element

Part #420224

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

Channel 490364
#490364

Cavity diagram

Channel

Part #490364

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

Lock Washer 420210
#420210

Internal top panel diagram

Lock washer

Part #420210

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

Spacer 418412
#418412

Cavity diagram

Spacer

Part #418412

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

Clip 421468
#421468

Fascia panel diagram

Clip

Part #421468

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

Support 143599
#143599

Fascia panel diagram

Support

Part #143599

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

Decorative Strip 471240
#471240

Cavity diagram

Decorative strip

Part #471240

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

Switch 491312
#491312

Fascia panel diagram

Switch

Part #491312

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

Washer 420251
#420251

Door diagram

Washer

Part #420251

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

Main causes: broken broil element, faulty broil burner igniter, control system failure…

Main causes: lack of electrical power, bad electronic control board, faulty oven control thermostat…

Main causes: faulty oven temperature sensor, control system problem, weak burner igniter, damaged oven element…

Main causes: broken bake element, bad bake burner igniter, tripped thermal switch, 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 the thermal switch in a wall oven

How to replace the thermal switch in a wall oven

If the oven won't heat after resetting the thermal switch, replace the thermal switch.…

Repair difficulty
Time required
 60 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

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

Get answers to frequently asked questions about Sears and Sears PartsDirect.…