Model # 4KSM90PSGN0 Official KitchenAid mixer

Here are the diagrams and repair parts for Official KitchenAid 4KSM90PSGN0 mixer, 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.

Model diagram and schematic

SEARCH WITHIN THIS MODEL

ALL PARTS

Showing 10 of 100 parts |

#30

Motor and control parts diagram

Screw

Part #3184609

$28.23

In Stock

Qty

#5L

Color variation parts diagram

Gear case

Part #9706471

$45.53

In Stock

Qty

#6O

Color variation parts diagram

Pedestal

Part #9705237

$76.82

In Stock

Qty

#1O

Color variation parts diagram

Housing

Part #9705243

$85.65

In Stock

Qty

Stand Mixer Speed Calibration Tool 4164839

#NI

Base and pedestal unit, optional parts diagram

Stand mixer speed calibration tool

Part #4164839

$274.29 |

$12.00 OFF Phone Price : $286.29

In Stock

Qty

#5A

Color variation parts diagram

Lower gearcase (satin copper)

Part #9704749

$133.92

In Stock

Qty

#4O

Color variation parts diagram

Cover

Part #9705241

$39.50

In Stock

Qty

#5C

Color variation parts diagram

Lower gearcase (nickel)

Part #9706269

$161.88

In Stock

Qty

#3O

Color variation parts diagram

Planetary

Part #9705244

$39.29 |

13% OFF Phone Price : $45.29

In Stock

Qty

Stand Mixer Motor Brush Cap (almond Creme) 3184213

#23B

Motor and control parts diagram

Stand mixer motor brush cap (almond creme)

Part #3184213

$23.59 |

20% OFF Phone Price : $29.59

In Stock

Qty

Most common symptoms to help you fix your stand mixers

Choose a symptom to see related stand mixer repairs.

View all

Why does my stand mixer run on high speed only?

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

Why is my stand mixer motor sparking?

Main cause: worn carbon motor brushes…

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

Main cause: attachment clearance setting needs adjustment…

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…

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…

Why isn't my stand mixer spinning?

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

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…

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.

View all

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.…

Repair difficulty

Time required

30 minutes or less

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…

Repair difficulty

Time required

30 minutes or less

How to replace stand mixer motor brushes

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

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.

View all

How to enjoy all the online benefits we offer on our Sears PartsDirect website

Model # 4KSM90PSGN0 Official KitchenAid mixer

Model diagram and schematic

SEARCH WITHIN THIS MODEL

Most common symptoms to help you fix your stand mixers

Why does my stand mixer run on high speed only?

Why is my stand mixer motor sparking?

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

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

Why does my stand mixer leak oil?

Why isn't my stand mixer spinning?

Why won't my stand mixer run at all?

Most common repair guides to help fix your stand mixers

How to replace a stand mixer worm gear

How to replace a stand mixer phase control board

How to replace stand mixer motor brushes

Effective articles & videos to help repair your stand mixers

How to enjoy all the online benefits we offer on our Sears PartsDirect website

5 secrets for getting great stand mixer results

Easy DIY stand mixer repairs

Parts & More

Stay Connected

Quick links

Let us help you

More resources