Can’t find your part?   Contact us:
+1-309-603-4777
Sears Parts Direct
Tips to find your model number
Orders

  • Keep track of the models you own in your profile

    Sign in or Register to view or add models

Schedule a repair
KitchenAid
Dishwasher

Model # KUDB21S0 Official KitchenAid dishwasher

Here are the diagrams and repair parts for Official KitchenAid KUDB21S0 dishwasher, 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.

Error Codes

Model diagram and schematic

SEARCH WITHIN THIS MODEL

?

This is the number corresponding to the part on the diagram / schematic

Search
ALL PARTS
Showing 10 of 328 parts  |
Gasket 116202
#13

Fill and overfill diagram

Gasket

Part #116202

Replaced by #WP8531743

?
Manufacturer substitution
This part replaces 116202. Substitute parts can look different from the original.
BEST SELLER
$28.50 | 
17% OFF Phone Price : $34.50
In Stock
Screw SD-17-41
#29

Frame and miscellaneous diagram

Screw

Part #SD-17-41

Replaced by #W11233072

?
Manufacturer substitution
This part replaces SD-17-41. Substitute parts can look different from the original.
$16.79 | 
11% OFF Phone Price : $18.79
In Stock
Screw SC-109-58
#2

Wash and drain pump diagram

Screw

Part #SC-109-58

Replaced by #W11233072

?
Manufacturer substitution
This part replaces SC-109-58. Substitute parts can look different from the original.
$16.79 | 
11% OFF Phone Price : $18.79
In Stock
Screw SD-17-42
#28

Door and latch diagram

Screw

Part #SD-17-42

Replaced by #W11233072

?
Manufacturer substitution
This part replaces SD-17-42. Substitute parts can look different from the original.
$16.79 | 
11% OFF Phone Price : $18.79
In Stock
Roller 240683
#3

Lower rack diagram

Roller

Part #240683

Replaced by #WP4162322

?
Manufacturer substitution
This part replaces 240683. Substitute parts can look different from the original.
This item is not returnable
$4.02 | 
20% OFF Phone Price : $5.02
In Stock
Screw SD-17-11
#15

Fill hose and cord kdc-61a diagram

Screw

Part #SD-17-11

Replaced by #WP4159387

?
Manufacturer substitution
This part replaces SD-17-11. Substitute parts can look different from the original.
This item is not returnable
$4.33
In Stock
Screw SC-117-52
Screw

Part #SC-117-52

Replaced by #WP912618

?
Manufacturer substitution
This part replaces SC-117-52. Substitute parts can look different from the original.
This item is not returnable
$4.39 | 
19% OFF Phone Price : $5.39
In Stock
Switch 116269
#11

Fill and overfill diagram

Switch

Part #116269

Replaced by #W10207863

?
Manufacturer substitution
This part replaces 116269. Substitute parts can look different from the original.
$34.01 | 
15% OFF Phone Price : $40.01
In Stock
Bi-metal 241225
#26

Door and latch diagram

Bi-metal

Part #241225

Replaced by #WP4162568

?
Manufacturer substitution
This part replaces 241225. Substitute parts can look different from the original.
$36.87
In Stock
Screw SD-17-14
Screw

Part #SD-17-14

Replaced by #WP693304

?
Manufacturer substitution
This part replaces SD-17-14. Substitute parts can look different from the original.
This item is not returnable
$4.33
In Stock

Most common symptoms to help you fix your dishwashers

Choose a symptom to see related dishwasher repairs.

View all

Why won't my dishwasher fill?

Main causes: water supply problem, stuck overfill float, clogged water inlet valve screen, water inlet valve failure…

Read more

Why won't my dishwasher drain?

Main causes: clogged kitchen sink drain, clogged drain hose, drain check valve damaged, drain pump failure, control syst…

Read more

Why does my dishwasher door drop open too fast?

Main causes: broken door spring, damaged or broken door hinge…

Read more

Why can't I adjust the dishwasher rack height?

Main cause: damaged rack height adjuster…

Read more

Why isn't my dishwasher getting dishes clean?

Main causes: improper loading, low water temperature, improper detergent dosage, detergent dispenser failure, spray arm …

Read more

Why won't my dishwasher start?

Main causes: light switch beside the sink turned off, lack of power, bad dishwasher door switch, control system failure,…

Read more

Why don't my dishes get dry?

Main causes: not using rinse aid, rinse aid dispenser failure, broken heating element, malfunctioning vent, drying fan f…

Read more

Why does my dishwasher stop mid-cycle?

Main causes: broken door latch, tripped circuit breaker, broken heating element, faulty vent fan, sensor failure, contro…

Read more

Why is my dishwasher noisy?

Main causes: glass or popcorn kernel stuck in the chopper blade, drain line vibrating against the cabinet, debris in was…

Read more

Most common repair guides to help fix your dishwashers

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

View all
How to replace a dishwasher heating element

How to replace a dishwasher heating element

Dishes not drying as fast as they should? The dishwasher heating element could be on the fritz. Here's how to install a …

Read more
Repair difficulty
Time required
 45 minutes or less
How to replace a dishwasher high-limit thermostat

How to replace a dishwasher high-limit thermostat

Follow these steps to replace the high-limit thermostat in your dishwasher if prevents the heating element from heating.…

Read more
Repair difficulty
Time required
 30 minutes or less
How to replace a dishwasher diverter motor

How to replace a dishwasher diverter motor

Upper spray arms not getting water? The diverter motor could be broken. Use this guide to replace it.…

Read more
Repair difficulty
Time required
 30 minutes or less

Effective articles & videos to help repair your dishwashers

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

View all
5 Holiday Cleaning Tasks Essential to Boosting Your Home’s Image

5 Holiday Cleaning Tasks Essential to Boosting Your Home’s Image

Get tips on completing essential holiday cleaning tasks to brighten your home.…

Read more
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.…

Read more
Top questions about Sears and Sears PartsDirect

Top questions about Sears and Sears PartsDirect

Get answers to frequently asked questions about Sears and Sears PartsDirect.…

Read more

Parts & More

Outdoor Grill
Outdoor Grill Parts