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Bosch
Electric Wall Oven

Model # HBL3450UC/02 Official Bosch electric built-in oven

Here are the diagrams and repair parts for Official Bosch HBL3450UC-02 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.

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 75 parts  |
Power Supply 663802
#205

Pcb.s assy diagram

Power supply

Part #663802

Replaced by #00663802

?
Manufacturer substitution
This part replaces 663802. Substitute parts can look different from the original.
$128.19 | 
9% OFF Phone Price : $140.19
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
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.
$29.36
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
Latch 644216
#207

Pcb.s assy diagram

Latch

Part #644216

Replaced by #00751505

?
Manufacturer substitution
This part replaces 644216. Substitute parts can look different from the original.
$144.49 | 
8% OFF Phone Price : $156.49
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
Oven Lamp Assembly 415045
#301

Oven assy diagram

Oven lamp assembly

Part #415045

Replaced by #00415045

?
Manufacturer substitution
This part replaces 415045. Substitute parts can look different from the original.
$79.29 | 
7% OFF Phone Price : $85.29
In Stock
Element 144648
#308

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
Bulb 623710
#NI

Oven assy diagram

Bulb

Part #623710

Replaced by #00623710

?
Manufacturer substitution
This part replaces 623710. Substitute parts can look different from the original.
This item is not returnable
$7.09 | 
12% OFF Phone Price : $8.09
In Stock
Trim Plate 666487
#503

Cabinet assy diagram

Trim plate

Part #666487

Replaced by #00682495

?
Manufacturer substitution
This part replaces 666487. Substitute parts can look different from the original.
$192.75
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 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…

Read more
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

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