Can’t find your part?   Contact us:
+1-309-603-4777
Sears Parts Direct
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 # WS400-1 Official InSinkErator dishwasher

Here are the diagrams and repair parts for Official InSinkErator WS400-1 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  |
Plug Button (2) 51266
#15

Door and latch unit diagram

Plug button (2)

Part #51266

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

Tank And Frame Assembly (ws400-3) (ws850-3) (not Shown) 51651
#0B

Frame and misc. items diagram

Tank and frame assembly (ws400-3) (ws850-3) (not shown)

Part #51651

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

Bracket-top Panel Anchor (2) 51172
#3

Top and side kits diagram

Bracket-top panel anchor (2)

Part #51172

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

Impeller And Seal Kit (incl. Codes 5-8) 51601
#4

Wash and disposer/drain pump unit diagram

Impeller and seal kit (incl. codes 5-8)

Part #51601

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

Switch-program (sw400) 51593
#8

Control panel unit diagram

Switch-program (sw400)

Part #51593

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

Roller-upper Rack (4) 51207
#4

Upper rack and track unit diagram

Roller-upper rack (4)

Part #51207

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

Side Trim-upper Panel (fits R.h. Or L.h. Trim) (ar) 51000
#5

Front panel unit diagram

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

Part #51000

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

Hook-heater Element (2) 51107
#2

Heat unit diagram

Hook-heater element (2)

Part #51107

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

Screw-wood 10 X 3/4 Phil. Flat Hd (2) 51260
#2

Top and side kits diagram

Screw-wood 10 x 3/4 phil. flat hd (2)

Part #51260

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

Thermostat, Limiting 51607
#9

Heat unit diagram

Thermostat, limiting

Part #51607

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 does my dishwasher door drop open too fast?

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

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 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 start?

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

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 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

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 can't I adjust the dishwasher rack height?

Main cause: damaged rack height adjuster…

Read more

Why is my dishwasher leaking?

Main causes: damaged or stuck spray arm, leaking door seal, damaged door hinge, leaky heating element water seal, cracke…

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 water inlet valve

How to replace a dishwasher water inlet valve

If your dishwasher fills constantly or won't fill at all, the water inlet valve has failed. You can replace it in about …

Read more
Repair difficulty
Time required
 30 minutes or less
How to replace a dishwasher detergent dispenser

How to replace a dishwasher detergent dispenser

Dishes need dish detergent to get clean. Learn how to replace a dishwasher detergent dispenser with easy step-by-step i…

Read more
Repair difficulty
Time required
 30 minutes or less
How to replace a dishwasher door outer panel

How to replace a dishwasher door outer panel

If your dishwasher door is dented or you want it to match your cabinets or other appliances, this guide shows how to rep…

Read more
Repair difficulty
Time required
 15 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
How to clean and maintain your dishwasher

How to clean and maintain your dishwasher

Get tips for cleaning and maintaining your dishwasher…

Read more
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
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