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KitchenAid
Stand Mixer

Model # 4KSM50POB0 Official KitchenAid mixer

Here are the diagrams and repair parts for Official KitchenAid 4KSM50POB0 mixer, as well as links to manuals and error code tables, if available.

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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

Model diagram and schematic

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Showing 10 of 76 parts  |
Pin-bowl 4162028
#19

Base and pedestal unit parts diagram

Pin-bowl

Part #4162028

Replaced by #WP240185

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Manufacturer substitution
This part replaces 4162028. Substitute parts can look different from the original.
This item is not returnable
$5.09 | 
16% OFF Phone Price : $6.09
In Stock
Spring 3182857
#5

Base and pedestal unit parts diagram

Spring

Part #3182857

Replaced by #WP3182857

?
Manufacturer substitution
This part replaces 3182857. Substitute parts can look different from the original.
This item is not returnable
$5.09 | 
16% OFF Phone Price : $6.09
In Stock
Stand Mixer Worm Gear Assembly 240309-2
#34

Case, gearing and planetary unit parts diagram

Stand mixer worm gear assembly

Part #240309-2

Replaced by #WP240309-2

?
Manufacturer substitution
This part replaces 240309-2. Substitute parts can look different from the original.
$30.24 | 
17% OFF Phone Price : $36.24
In Stock
Pin-dowel 240018-1
Pin-dowel

Part #240018-1

Replaced by #WP9707223

?
Manufacturer substitution
This part replaces 240018-1. Substitute parts can look different from the original.
This item is not returnable
$4.58 | 
18% OFF Phone Price : $5.58
In Stock
Ring-o 67500-55
#30

Case, gearing and planetary unit parts diagram

Ring-o

Part #67500-55

Replaced by #WP67500-55

?
Manufacturer substitution
This part replaces 67500-55. Substitute parts can look different from the original.
This item is not returnable
$5.09 | 
16% OFF Phone Price : $6.09
In Stock
Pin-groove 9705444
#12

Case, gearing and planetary unit parts diagram

Pin-groove

Part #9705444

Replaced by #WP9705444

?
Manufacturer substitution
This part replaces 9705444. Substitute parts can look different from the original.
This item is not returnable
$5.09 | 
16% OFF Phone Price : $6.09
In Stock
Pin-groove 9705443
#18

Case, gearing and planetary unit parts diagram

Pin-groove

Part #9705443

Replaced by #WP9705443

?
Manufacturer substitution
This part replaces 9705443. Substitute parts can look different from the original.
This item is not returnable
$4.58 | 
18% OFF Phone Price : $5.58
In Stock
Speed Lever 3184193
#3

Motor and control unit parts diagram

Speed lever

Part #3184193

Replaced by #WP9709276

?
Manufacturer substitution
This part replaces 3184193. Substitute parts can look different from the original.
This item is not returnable
$5.79 | 
15% OFF Phone Price : $6.79
In Stock
Washr 10pk 3180163
#17

Case, gearing and planetary unit parts diagram

Washr 10pk

Part #3180163

Replaced by #WPW10323378

?
Manufacturer substitution
This part replaces 3180163. Substitute parts can look different from the original.
This item is not returnable
$10.49 | 
16% OFF Phone Price : $12.49
In Stock
Screw 311932
#31

Case, gearing and planetary unit parts diagram

Screw

Part #311932

Replaced by #WP313808

?
Manufacturer substitution
This part replaces 311932. Substitute parts can look different from the original.
This item is not returnable
$4.46 | 
18% OFF Phone Price : $5.46
In Stock

Most common symptoms to help you fix your stand mixers

Choose a symptom to see related stand mixer repairs.

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Why does my stand mixer run on high speed only?

Main causes: phase control board failure, wiring connection problem, faulty electronic control board…

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Why is my stand mixer motor sparking?

Main cause: worn carbon motor brushes…

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Why do the stand mixer attachments rub the bottom of the bowl?

Main cause: attachment clearance setting needs adjustment…

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Why does my stand mixer run on low speed, but rotate slowly?

Main causes: bad wiring connections, faulty speed control plate, electronic control board failure…

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Why does my stand mixer leak oil?

Main causes: bad lubricating grease, mixer sitting idle for weeks at a time, mixer running constantly for more than 30 m…

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Why isn't my stand mixer spinning?

Main causes: bad worm gear, damaged planetary gear assembly…

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Why won't my stand mixer run at all?

Main causes: lack of electrical power, wiring failure, worn carbon motor brushes, bad drive motor, tripped overload swit…

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Most common repair guides to help fix your stand mixers

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

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How to replace a stand mixer worm gear

How to replace a stand mixer worm gear

Here’s how to replace the worm gear in your stand mixer if it’s worn or damaged.…

Read more
Repair difficulty
Time required
 30 minutes or less
How to replace a stand mixer phase control board

How to replace a stand mixer phase control board

The phase control board works with the governor and control plate to control motor speed. Replace the phase control boar…

Read more
Repair difficulty
Time required
 30 minutes or less
How to replace stand mixer motor brushes

How to replace stand mixer motor brushes

If the carbon brushes are worn and damaged, replace them using these steps.…

Read more
Repair difficulty
Time required
 15 minutes or less

Effective articles & videos to help repair your stand mixers

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

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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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5 secrets for getting great stand mixer results

5 secrets for getting great stand mixer results

Find out five tips and techniques to help get the most out of your stand mixer.…

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Easy DIY stand mixer repairs

Easy DIY stand mixer repairs

Learn about some easy stand mixer repairs you can do yourself.…

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