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Bosch
Electric Wall Oven

Model # HBN3520UC/02 Official Bosch oven

Here are the diagrams and repair parts for Official Bosch HBN3520UC-02 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.

Owner’s manual
Error Codes

Model diagram and schematic

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ALL PARTS
Showing 10 of 88 parts  |
Power Supply 663802
#203

Pcb 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
Heater 144723
Heater

Part #144723

Replaced by #00144723

?
Manufacturer substitution
This part replaces 144723. Substitute parts can look different from the original.
$108.79 | 
10% OFF Phone Price : $120.79
In Stock
Spacer 427919
Spacer

Part #427919

Replaced by #00427919

?
Manufacturer substitution
This part replaces 427919. Substitute parts can look different from the original.
$19.80
In Stock
Control Module 648780
#201A

Pcb assy diagram

Control module

Part #648780

Replaced by #00655356

?
Manufacturer substitution
This part replaces 648780. Substitute parts can look different from the original.
$454.79 | 
$12.00 OFF Phone Price : $466.79
In Stock
Motor 642845
#302

Upper oven 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
Control Module 665998
#201

Pcb assy diagram

Control module

Part #665998

Replaced by #00655356

?
Manufacturer substitution
This part replaces 665998. Substitute parts can look different from the original.
$454.79 | 
$12.00 OFF Phone Price : $466.79
In Stock
Trim Plate 680904
Trim plate

Part #680904

Replaced by #00680904

?
Manufacturer substitution
This part replaces 680904. Substitute parts can look different from the original.
$214.01 | 
5% OFF Phone Price : $226.01
In Stock
Oven Harness 663791
#NI

Pcb assy 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
Bracket 610187
Bracket

Part #610187

Replaced by #00613179

?
Manufacturer substitution
This part replaces 610187. Substitute parts can look different from the original.
$23.49
In Stock
Fixing Kit 617877
#503

Vent assy diagram

Fixing kit

Part #617877

Replaced by #00617877

?
Manufacturer substitution
This part replaces 617877. Substitute parts can look different from the original.
$29.36
In Stock

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Main causes: lack of electrical power, bad electronic control board, faulty oven control thermostat…

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

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