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Bosch
Electric Wall Oven

Model # HBN645AUC/01 Official Bosch electric oven

Here are the diagrams and repair parts for Official Bosch HBN645AUC-01 electric 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.

Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

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

Installation guide
Owner’s manual
Error Codes

Model diagram and schematic

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Showing 10 of 140 parts  |
Lamp 00420228
#238

Cavity diagram

Lamp

Part #00420228

Replaced by #00189351

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Manufacturer substitution
This part replaces 00420228. Substitute parts can look different from the original.
$25.79 | 
19% OFF Phone Price : $31.79
In Stock
Bracket 00420236
#321

Latch diagram

Bracket

Part #00420236

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

Nut 00420219
#213

Cavity diagram

Nut

Part #00420219

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

Sensor 00418676
#323

Latch diagram

Sensor

Part #00418676

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

Nut 00420195
#426

Frame diagram

Nut

Part #00420195

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

Pin 00421538
#207

Cavity diagram

Pin

Part #00421538

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

Screw 00420230
#245

Cavity diagram

Screw

Part #00420230

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

Motor 00490365
#301

Latch diagram

Motor

Part #00490365

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

Drip Pan 00435182
#430

Frame diagram

Drip pan

Part #00435182

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

Lamp 00421537
#116

Control panel diagram

Lamp

Part #00421537

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 broil?

Main causes: broken broil element, faulty broil burner igniter, control system 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 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 heat?

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

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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 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. …

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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.…

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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…

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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

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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