Bosch
Electric Wall Oven

Model # HBL745AUC Official Bosch wall oven

Here are the diagrams and repair parts for Official Bosch HBL745AUC wall 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 140 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
Wall Oven Filter 489268
#489268

Fascia panel diagram

Wall oven filter

Part #489268

Replaced by #00489268

?
Manufacturer substitution
This part replaces 489268. Substitute parts can look different from the original.
$29.04
17% OFF Phone Price : $35.04
In Stock
Screw 420218
#420218

Cavity diagram

Screw

Part #420218

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

Insulation Cover 490347
#490347

Body diagram

Insulation cover

Part #490347

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

Display Board 489262
#489262

Fascia panel diagram

Display board

Part #489262

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

Nla (hinge) 489271
#489271

Body diagram

Nla (hinge)

Part #489271

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

Screw 420226
#420226

Cavity diagram

Screw

Part #420226

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

Wall Oven Broil Element 239403
#239403

Cavity diagram

Wall oven broil element

Part #239403

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

Control Unit 143691
#143691

Fascia panel diagram

Control unit

Part #143691

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

Bracket 420236
#420236

Internal top panel diagram

Bracket

Part #420236

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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How to repair broken or damaged wires video

How to repair broken or damaged wires video

Learn how to repair broken, frayed or damaged wires in your appliances.…