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Bosch
Electric Wall Oven

Model # HBL8450UC/04 Official Bosch electric built-in oven

Here are the diagrams and repair parts for Official Bosch HBL8450UC-04 electric built-in oven, as well as links to manuals and error code tables, if available.

There are a couple of ways to find the part or diagram you need:

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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
Error Codes

Model diagram and schematic

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Showing 10 of 39 parts  |
Element 144648
#317

Oven assy diagram

Element

Part #144648

Replaced by #00144648

?
Manufacturer substitution
This part replaces 144648. Substitute parts can look different from the original.
$108.49
| 
10% OFF Phone Price : $120.49
In Stock
Terminal Box 436364
#204

Pcb's assy diagram

Terminal box

Part #436364

Replaced by #00436364

?
Manufacturer substitution
This part replaces 436364. Substitute parts can look different from the original.
$32.67
In Stock
Glass 680088
#404

Door assy diagram

Glass

Part #680088

Replaced by #00770023

?
Manufacturer substitution
This part replaces 680088. Substitute parts can look different from the original.
$182.39
| 
6% OFF Phone Price : $194.39
In Stock
Halogen 150188
#304

Oven assy diagram

Halogen

Part #150188

Replaced by #00157311

?
Manufacturer substitution
This part replaces 150188. Substitute parts can look different from the original.
$44.59
| 
12% OFF Phone Price : $50.59
In Stock
Transformer 663801
#206

Pcb's assy diagram

Transformer

Part #663801

Replaced by #00663801

?
Manufacturer substitution
This part replaces 663801. Substitute parts can look different from the original.
$159.12
In Stock
Bracket 613179
#409

Door assy diagram

Bracket

Part #613179

Replaced by #00613179

?
Manufacturer substitution
This part replaces 613179. Substitute parts can look different from the original.
$23.49
In Stock
Base 245240
#505

Cabinet assy diagram

Base

Part #245240

Replaced by #00248923

?
Manufacturer substitution
This part replaces 245240. Substitute parts can look different from the original.
$139.84
In Stock
Bracket 613178
#408

Door assy diagram

Bracket

Part #613178

Replaced by #00613178

?
Manufacturer substitution
This part replaces 613178. Substitute parts can look different from the original.
$30.31
| 
17% OFF Phone Price : $36.31
In Stock
Element 663805
#309

Oven assy diagram

Element

Part #663805

Replaced by #00663805

?
Manufacturer substitution
This part replaces 663805. Substitute parts can look different from the original.
$78.59
| 
7% OFF Phone Price : $84.59
In Stock
Oven Harness 663791
#NI

Control panel diagram

Oven harness

Part #663791

Replaced by #00663791

?
Manufacturer substitution
This part replaces 663791. Substitute parts can look different from the original.
$32.67
In Stock

Most common symptoms to help you fix your wall oven

Choose a symptom to see related wall oven repairs.

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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 bake?

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

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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