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Bosch
Electric Wall Oven

Model # HBL3550UC/03 Official Bosch electric built-in oven

Here are the diagrams and repair parts for Official Bosch HBL3550UC-03 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
Owner’s manual
Error Codes

Model diagram and schematic

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Showing 10 of 85 parts  |
Power Supply 663802
#205

Pcb's assy diagram

Power supply

Part #663802

Replaced by #00663802

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Manufacturer substitution
This part replaces 663802. Substitute parts can look different from the original.
$128.19
| 
9% OFF Phone Price : $140.19
In Stock
Door Seal 144652
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
Glass 680088
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
Limiter

Part #642844

Replaced by #00617877

?
Manufacturer substitution
This part replaces 642844. Substitute parts can look different from the original.
$29.36
In Stock
Latch 644216
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
Oven Outer Door 246546
#413

Door upper diagram

Oven outer door

Part #246546

Replaced by #00246546

?
Manufacturer substitution
This part replaces 246546. Substitute parts can look different from the original.
$363.38
In Stock
Oven Lamp Assembly 415045
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
Glass Panel 478310
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
Element 144648
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
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

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 heat?

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

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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 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 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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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 the thermal switch in a wall oven

How to replace the thermal switch in a wall oven

If the oven won't heat after resetting the thermal switch, replace the thermal switch....

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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 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...

Read more
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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