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Bosch
Electric Wall Oven

Model # HBL432AUC/01 Official Bosch electric built-in oven

Here are the diagrams and repair parts for Official Bosch HBL432AUC-01 electric built-in oven, as well as links to manuals and error code tables, if available.

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  • In the search box below, enter all or part of the part number or the part’s name.

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For DIY troubleshooting advice and repair guides, visit our repair help section.

Error Codes

Model diagram and schematic

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Showing 10 of 128 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
Door 490366
#490366

Internal top panel diagram

Door

Part #490366

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

Screw 420211
#420211

Cavity diagram

Screw

Part #420211

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

Clamp 418411
#418411

Cavity diagram

Clamp

Part #418411

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

Insulation 434053
#434053

Body diagram

Insulation

Part #434053

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

Drive Hinge 143619
#143619

Body diagram

Drive hinge

Part #143619

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

Select Switch 421027
#421027

Fascia panel diagram

Select switch

Part #421027

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

Transformer 490987
#490987

Cavity diagram

Transformer

Part #490987

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

Frame 143343
#143343

Body diagram

Frame

Part #143343

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.

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Why won't my wall oven door unlock?

Main causes: bad oven door lock assembly, faulty electronic control board, wiring failure…

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Why won't my wall oven bake?

Main causes: broken bake element, bad bake burner igniter, tripped thermal switch, control system failure…

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Why isn't my wall oven at the temperature I set?

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

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Why won't my wall oven heat?

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

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Why doesn't my wall oven work?

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

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Why won't my wall oven broil?

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

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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.

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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…

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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.…

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Repair difficulty
Time required
 60 minutes or less
How to replace wall oven door hinges

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…

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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.

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

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

Get tips on completing essential holiday cleaning tasks to brighten your home.…

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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

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