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KitchenAid
Stand Mixer

Model # KSM8990OB1 Official KitchenAid stand mixer

Here are the diagrams and repair parts for Official KitchenAid KSM8990OB1 stand mixer, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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Showing 10 of 61 parts  |
Clip W10504114
Clip

Part #W10504114

Replaced by #WPW10504114

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Manufacturer substitution
This part replaces W10504114. Substitute parts can look different from the original.
This item is not returnable
$3.79
In Stock
Screw W10360791
Screw

Part #W10360791

Replaced by #WPW10360791

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Manufacturer substitution
This part replaces W10360791. Substitute parts can look different from the original.
This item is not returnable
$7.19
In Stock
Lower Gearcase (oynx Black) W11589982
Lower gearcase (oynx black)

Part #W11589982

$53.98
In Stock
Housing 9703311
Housing

Part #9703311

$61.24
In Stock
Lower Gearcase (empire Red) W11589981
Lower gearcase (empire red)

Part #W11589981

$53.98
In Stock
Base W10328017
Base

Part #W10328017

$54.96
In Stock
Lower Gearcase (nickle Pearl) W11589984
Lower gearcase (nickle pearl)

Part #W11589984

$55.62
In Stock
Screw 3400617
Screw

Part #3400617

This item is not returnable
$5.09 | 
16% OFF Phone Price : $6.09
In Stock
Lower Gearcase (contour Silver) W11630008
Lower gearcase (contour silver)

Part #W11630008

$53.98
In Stock
Vent Screen 9706814
Vent screen

Part #9706814

$36.51
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 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 run on high speed only?

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

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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 is my stand mixer motor sparking?

Main cause: worn carbon motor brushes…

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

Main cause: attachment clearance setting needs adjustment…

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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.…

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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

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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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.…

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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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