Can’t find your part?   Contact us:
+1-309-603-4777
Sears Parts Direct
Orders

  • Keep track of the models you own in your profile

    Sign in or Register to view or add models

Schedule a repair
Bosch
Upright Freezer

Model # B18IW50NSP/06 Official Bosch freezer

Here are the diagrams and repair parts for Official Bosch B18IW50NSP-06 freezer, 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:

  • Click a diagram to see the parts shown on that diagram.
  • 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”.

We encourage you to save the model to your profile, so it’s easy to access parts and manuals for your appliance whenever you log in.

For DIY troubleshooting advice and repair guides, visit our repair help section.

Error Codes

Model diagram and schematic

SEARCH WITHIN THIS MODEL

?

This is the number corresponding to the part on the diagram / schematic

Search
ALL PARTS
Showing 10 of 113 parts  |
Switch 168427
#115

Cabinet parts diagram

Switch

Part #168427

Replaced by #00168427

?
Manufacturer substitution
This part replaces 168427. Substitute parts can look different from the original.
$22.34
In Stock
Module 642140
#412

Compressor diagram

Module

Part #642140

Replaced by #00667845

?
Manufacturer substitution
This part replaces 642140. Substitute parts can look different from the original.
$176.62
In Stock
Plate 244003
#403

Compressor diagram

Plate

Part #244003

Replaced by #00709206

?
Manufacturer substitution
This part replaces 244003. Substitute parts can look different from the original.
$26.58
In Stock
Base Panel 661112
#443

Compressor diagram

Base panel

Part #661112

Replaced by #00685139

?
Manufacturer substitution
This part replaces 661112. Substitute parts can look different from the original.
$49.49 | 
9% OFF Phone Price : $54.49
In Stock
Switch 604020
#126

Cabinet parts diagram

Switch

Part #604020

Replaced by #00604020

?
Manufacturer substitution
This part replaces 604020. Substitute parts can look different from the original.
$14.57
In Stock
Fixture 605604
#217

Door assy diagram

Fixture

Part #605604

Replaced by #00605604

?
Manufacturer substitution
This part replaces 605604. Substitute parts can look different from the original.
$12.71
In Stock
Capacitor 605603
#423

Compressor diagram

Capacitor

Part #605603

Replaced by #00632035

?
Manufacturer substitution
This part replaces 605603. Substitute parts can look different from the original.
$25.16
In Stock
Cover 499853
#413

Compressor diagram

Cover

Part #499853

Replaced by #00499853

?
Manufacturer substitution
This part replaces 499853. Substitute parts can look different from the original.
$50.89 | 
9% OFF Phone Price : $55.89
In Stock
Switch 604241
#210

Door assy diagram

Switch

Part #604241

Replaced by #00604241

?
Manufacturer substitution
This part replaces 604241. Substitute parts can look different from the original.
$11.60
In Stock
Holder 604674
#438

Compressor diagram

Holder

Part #604674

Replaced by #00604674

?
Manufacturer substitution
This part replaces 604674. Substitute parts can look different from the original.
$7.94
In Stock

Most common symptoms to help you fix your freestanding freezers

Choose a symptom to see related freezer repairs.

View all

Why isn't my freezer running?

Main causes: lack of power, control system failure, broken compressor start relay, locked up compressor, compressor moto…

Read more

Why is my freezer so noisy?

Main causes: leaky door or lid gasket, broken defrost heater, bad defrost bi-metal thermostat, defrost control failure, …

Read more

Why is my freezer too warm?

Main causes: excessive frost, bad defrost heater, bad defrost bi-metal, control system failure, low refrigerant charge, …

Read more

Why is my freezer hot on the outside?

Main causes: dirty condenser coils, condenser fan failure, dirty bottom front grill, leaky door or lid gasket…

Read more

Why does my freezer have a lot of frost inside?

Main causes: damaged door or lid gasket, cracked cabinet liner, bad defrost bi-metal thermostat, broken defrost heater, …

Read more

Why isn't my freezer cooling?

Main causes: compressor failure, no refrigerant, faulty sensor, control failure, broken defrost heater, bad defrost bi-m…

Read more

Why don't the lights in my freezer work?

Main causes: burned out light bulb, bad door or lid switch, faulty LED light board, wiring failure, control system failu…

Read more

What should I do when my freezer's high-temperature alarm sounds?

Main causes: lack of power, bad compressor, refrigerant leak, bad thermistor, defrost system failure, dirty condenser co…

Read more

Repair guides for upright freezers

View all
How to replace a freezer LED light board

How to replace a freezer LED light board

The LED lights illuminate the interior of the freezer when you open the door. It takes just a few minutes to replace the…

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace a freezer electronic control board

How to replace a freezer electronic control board

The electronic control board manages the compressor to control freezer temperature. Replace the control board using the…

Read more
Repair difficulty
Time required
 45 minutes or less
How to replace a freezer defrost heater

How to replace a freezer defrost heater

If frost builds up on the freezer evaporator because the defrost heater isn’t working, follow these step-by-step instruc…

Read more
Repair difficulty
Time required
 45 minutes or less

Effective articles & videos to help repair your freestanding freezers

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

View all
Wiring schematic symbols explained video

Wiring schematic symbols explained video

Learn some of the most common symbols found in a wiring diagram and what they mean.…

Read more
How to repair broken or damaged wires video

How to repair broken or damaged wires video

Learn how to repair broken, frayed or damaged wires in your appliances.…

Read more
How to use a multimeter to test electrical parts video

How to use a multimeter to test electrical parts video

Learn how to use a multimeter to check for wiring problems in an appliance that's not working…

Read more

Parts & More