Bosch
Electric Wall Oven

Model #HBL3550UC/09 Official Bosch electric built-in oven

Here are the diagrams and repair parts for Bosch HBL3550UC-09 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.

Showing 10 of 92 parts

Wall Oven Control Board#203

Pcb's assy Diagram

Module

Part #655323
Replaced by #12022213
?
Manufacturer substitution
This part replaces 655323. Substitute parts can look different from the original.
In Stock
$395.19 | 
$10.00 OFF 
Phone Price: $405.19
Wall Oven Wire Harness#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.
In Stock
$33.29
Wall Oven Broil Element

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Element

Part #144648
Replaced by #00144648
?
Manufacturer substitution
This part replaces 144648. Substitute parts can look different from the original.
In Stock
$108.49 | 
8% OFF 
Phone Price: $118.49
Range Oven Door Gasket

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Door gasket

Part #491569
Replaced by #00491569
?
Manufacturer substitution
This part replaces 491569. Substitute parts can look different from the original.
In Stock
$84.95 | 
6% OFF 
Phone Price: $89.95
Wall Oven Light Assembly

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Oven lamp assembly

Part #415045
Replaced by #00415045
?
Manufacturer substitution
This part replaces 415045. Substitute parts can look different from the original.
In Stock
$69.99 | 
7% OFF 
Phone Price: $74.99
Wall Oven Power Supply Board (replaces 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.
In Stock
$128.19 | 
7% OFF 
Phone Price: $138.19
Wall Oven Door Seal

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Door seal

Part #144652
Replaced by #00144652
?
Manufacturer substitution
This part replaces 144652. Substitute parts can look different from the original.
In Stock
$39.29 | 
11% OFF 
Phone Price: $44.29
Range Oven Door Outer Panel (replaces 248979)#713

Door lower Diagram

Range oven door outer panel

Part #248979
Replaced by #00248979
?
Manufacturer substitution
This part replaces 248979. Substitute parts can look different from the original.
In Stock
$407.98 | 
$10.00 OFF 
Phone Price: $417.98
Cooktop Wire Harness Retainer, 1/2-in#NI

Cabinet assy Diagram

Connection

Part #414692
Replaced by #00414692
?
Manufacturer substitution
This part replaces 414692. Substitute parts can look different from the original.
In Stock
$24.62
Cover#608

Oven lower Diagram

Cover

Part #478399
Replaced by #00478399
?
Manufacturer substitution
This part replaces 478399. Substitute parts can look different from the original.
In Stock
$166.01

Symptoms common to all wall oven

Choose a symptom to see related wall oven repairs.

Main causes: bad oven door lock assembly, faulty electronic control board, wiring failure
Main causes: broken broil element, faulty broil burner igniter, control system failure
Main causes: lack of gas supply, broken igniter, tripped circuit breaker, broken oven element, tripped thermal fuse, control system failure
Main causes: broken bake element, bad bake burner igniter, tripped thermal switch, control system failure
Main causes: lack of electrical power, bad electronic control board, faulty oven control thermostat
Main causes: faulty oven temperature sensor, control system problem, weak burner igniter, damaged oven element

Repair guides common to all wall oven

These step-by-step repair guides will help you safely fix what’s broken on your wall oven.

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.

Repair difficulty
Time required
 45 minutes or less
June 1, 2015
By Lyle Weischwill
How to replace a wall oven control thermostat

Get your oven temperature under your control by replacing a faulty oven control thermostat.

Repair difficulty
Time required
 60 minutes or less
June 1, 2015
By Lyle Weischwill
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 fuse.

Repair difficulty
Time required
 60 minutes or less

Articles and videos common to all wall oven

Use the advice and tips in these articles and videos to get the most out of your wall oven.

December 29, 2021

How to replace a microwave fuse

By Lyle Weischwill

Learn about replacing a microwave fuse

December 29, 2021

Why is my microwave not heating?

By Lyle Weischwill

Follow these tips when your microwave won't heat

December 27, 2021

How does a self-cleaning oven work?

By Lyle Weischwill

Learn how the self-clean cycle works in an oven.