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
InSinkErator
Dishwasher

Model # WS400-3 Official InSinkErator dishwasher

Here are the diagrams and repair parts for Official InSinkErator WS400-3 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 224 parts  |
Tube-air Inlet 51048
#4

Circa-dry unit diagram

Tube-air inlet

Part #51048

The manufacturer no longer makes this part, and there's no substitute part

Wiring Harness (main) (sw400) 51584
#22

Control panel unit diagram

Wiring harness (main) (sw400)

Part #51584

The manufacturer no longer makes this part, and there's no substitute part

Spring-switch Cancel 51335
#21

Door and latch unit diagram

Spring-switch cancel

Part #51335

The manufacturer no longer makes this part, and there's no substitute part

Wiring Harness (main) (sw400 1 And 2) 51622
#22A

Control panel unit diagram

Wiring harness (main) (sw400 1 and 2)

Part #51622

The manufacturer no longer makes this part, and there's no substitute part

Spring-door Co-balance (standard) 51148
#8

Door and latch unit diagram

Spring-door co-balance (standard)

Part #51148

The manufacturer no longer makes this part, and there's no substitute part

Screw-special (2) 51314
#10

Control panel unit diagram

Screw-special (2)

Part #51314

The manufacturer no longer makes this part, and there's no substitute part

Screw Special-hex Washer Hd. 51123
Screw special-hex washer hd.

Part #51123

The manufacturer no longer makes this part, and there's no substitute part

Side Trim-lower Panel (fits R.h. Or L.h. Trim) (ar) 51572
#7

Front panel unit diagram

Side trim-lower panel (fits r.h. or l.h. trim) (ar)

Part #51572

The manufacturer no longer makes this part, and there's no substitute part

Clip-seal (10) 51166
#24

Frame and misc. items diagram

Clip-seal (10)

Part #51166

The manufacturer no longer makes this part, and there's no substitute part

Bracket-switch Cancel Spring 51336
#20

Door and latch unit diagram

Bracket-switch cancel spring

Part #51336

The manufacturer no longer makes this part, and there's no substitute part

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