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KitchenAid
Stand Mixer

Model # 4KSM90PSAC0 Official KitchenAid mixer

Here are the diagrams and repair parts for Official KitchenAid 4KSM90PSAC0 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.

Model diagram and schematic

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ALL PARTS
Showing 10 of 380 parts  |
Dryer Drum Roller Ring 9703438
Dryer drum roller ring

Part #9703438

Replaced by #WP9703438

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Manufacturer substitution
This part replaces 9703438. Substitute parts can look different from the original.
This item is not returnable
$3.79
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21% OFF Phone Price : $4.79
In Stock
Gear 4162897
Gear

Part #4162897

Replaced by #WPW10112253

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Manufacturer substitution
This part replaces 4162897. Substitute parts can look different from the original.
BEST SELLER
$14.64
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12% OFF Phone Price : $16.64
In Stock
Gear 4162897
Gear

Part #4162897

Replaced by #WPW10112253

?
Manufacturer substitution
This part replaces 4162897. Substitute parts can look different from the original.
BEST SELLER
$14.64
| 
12% OFF Phone Price : $16.64
In Stock
Stand Mixer Worm Gear Assembly 240309-2
Stand mixer worm gear assembly

Part #240309-2

Replaced by #WP240309-2

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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
Gasket 4162324
Gasket

Part #4162324

Replaced by #WP4162324

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Manufacturer substitution
This part replaces 4162324. Substitute parts can look different from the original.
This item is not returnable
$15.56
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11% OFF Phone Price : $17.56
In Stock
Wire Whip 9706446
Wire whip

Part #9706446

Replaced by #WP9704329

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Manufacturer substitution
This part replaces 9706446. Substitute parts can look different from the original.
This item is not returnable
$22.27
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21% OFF Phone Price : $28.27
In Stock
Pin-groove 9705444
Pin-groove

Part #9705444

Replaced by #WP9705444

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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
Brush 9706416
Brush

Part #9706416

Replaced by #WPW10380496

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Manufacturer substitution
This part replaces 9706416. Substitute parts can look different from the original.
$7.50
| 
12% OFF Phone Price : $8.50
In Stock
Ring-o 67500-55
Ring-o

Part #67500-55

Replaced by #WP67500-55

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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
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

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....

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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...

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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 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...

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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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