Model # KSM6521XMS0 Official KitchenAid 6-quart stand mixer

Here are the diagrams and repair parts for Official KitchenAid KSM6521XMS0 6-quart stand 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.

Owner’s manual

Model diagram and schematic

SEARCH WITHIN THIS MODEL

Filters

Screws

ALL PARTS

Showing 10 of 84 parts |

Base and pedestal unit parts diagram

Pin-bowl

Part #240185

Replaced by #WP240185

This item is not returnable

$5.09 |

16% OFF Phone Price : $6.09

In Stock

Qty

#21

Base and pedestal unit parts diagram

Screw

Part #3400863

Replaced by #WP3400814

This item is not returnable

$5.09 |

16% OFF Phone Price : $6.09

In Stock

Qty

Case, gearing and planetary unit parts diagram

Screw

Part #3400814

Replaced by #WP3400814

This item is not returnable

$5.09 |

16% OFF Phone Price : $6.09

In Stock

Qty

#19

Case, gearing and planetary unit parts diagram

Pin-dowel

Part #9707223

Replaced by #WP9707223

This item is not returnable

$4.58 |

18% OFF Phone Price : $5.58

In Stock

Qty

#10

Case, gearing and planetary unit parts diagram

Motor

Part #W10517938

Replaced by #WPW10517938

$140.93 |

8% OFF Phone Price : $152.93

In Stock

Qty

#18

Base and pedestal unit parts diagram

Lift arm

Part #9706885

Replaced by #WP9706885

This item is not returnable

$5.09 |

16% OFF Phone Price : $6.09

In Stock

Qty

#13

Case, gearing and planetary unit parts diagram

Pin-groove

Part #W10234531

Replaced by #WPW10234531

This item is not returnable

$5.09 |

16% OFF Phone Price : $6.09

In Stock

Qty

Base and pedestal unit parts diagram

Clip

Part #W10504114

Replaced by #WPW10504114

This item is not returnable

$3.79

In Stock

Qty

#12

Base and pedestal unit parts diagram

Spring

Part #9237

Replaced by #4159622

This item is not returnable

$5.09 |

16% OFF Phone Price : $6.09

In Stock

Qty

#20

Case, gearing and planetary unit parts diagram

.516id .750o

Part #8533910

Replaced by #W10854966

This item is not returnable

$5.09 |

16% OFF Phone Price : $6.09

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 # KSM6521XMS0 Official KitchenAid 6-quart stand 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