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Bosch
Electric Wall Oven

Model # HBL8450UC/01 Official Bosch electric built-in oven

Here are the diagrams and repair parts for Official Bosch HBL8450UC-01 electric built-in oven, as well as links to manuals and error code tables, if available.

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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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ALL PARTS
Showing 10 of 85 parts  |
Sensor 642855
#308

Oven assy diagram

Sensor

Part #642855

Replaced by #00642855

?
Manufacturer substitution
This part replaces 642855. Substitute parts can look different from the original.
$64.49 | 
9% OFF Phone Price : $70.49
In Stock
Motor 642845
#301

Oven assy diagram

Motor

Part #642845

Replaced by #00642845

?
Manufacturer substitution
This part replaces 642845. Substitute parts can look different from the original.
$165.59 | 
7% OFF Phone Price : $177.59
In Stock
Glass Panel 478309
#404

Door assy diagram

Glass panel

Part #478309

Replaced by #00770023

?
Manufacturer substitution
This part replaces 478309. Substitute parts can look different from the original.
$182.39 | 
6% OFF Phone Price : $194.39
In Stock
Wall Oven Extension Rack 478316
#602

Shelfs diagram

Wall oven extension rack

Part #478316

Replaced by #00478316

?
Manufacturer substitution
This part replaces 478316. Substitute parts can look different from the original.
$394.03 | 
$12.00 OFF Phone Price : $406.03
In Stock
Door Seal 144652
#403

Door assy diagram

Door seal

Part #144652

Replaced by #00144652

?
Manufacturer substitution
This part replaces 144652. Substitute parts can look different from the original.
$39.29 | 
13% OFF Phone Price : $45.29
In Stock
Limiter 642844
#202

Pcb's assy diagram

Limiter

Part #642844

Replaced by #00617877

?
Manufacturer substitution
This part replaces 642844. Substitute parts can look different from the original.
$86.16
In Stock
Oven Door 479016
#414

Door assy diagram

Oven door

Part #479016

Replaced by #00479016

?
Manufacturer substitution
This part replaces 479016. Substitute parts can look different from the original.
$349.70 | 
$12.00 OFF Phone Price : $361.70
In Stock
Glass Panel 478310
#406

Door assy diagram

Glass panel

Part #478310

Replaced by #00478310

?
Manufacturer substitution
This part replaces 478310. Substitute parts can look different from the original.
$137.56 | 
8% OFF Phone Price : $149.56
In Stock
Spacer 427919
#306

Oven assy diagram

Spacer

Part #427919

Replaced by #00427919

?
Manufacturer substitution
This part replaces 427919. Substitute parts can look different from the original.
$19.80
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

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. …

Read more
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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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

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