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
Speed Queen
Washer

Model # SWTH21QM Official Speed Queen commercial washer

Here are the diagrams and repair parts for Official Speed Queen SWTH21QM commercial washer, 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 284 parts  |
Pullet 38225P
#15

Motor asy diagram

Pullet

Part #38225P

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

Ring Assembly 39837
#1A

Agitator assy diagram

Ring assembly

Part #39837

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

Amana Washer Tub Spring Removal Tool 321P4
#3

Tools 1 diagram

Amana washer tub spring removal tool

Part #321P4

$23.40
In Stock
Motor Switch 35632P
#30

Motor asy diagram

Motor switch

Part #35632P

$54.89
In Stock
Hook 254P4P
#8

Tools 2 diagram

Hook

Part #254P4P

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

Anti-seize 27604P
#NI

Transmission diagram

Anti-seize

Part #27604P

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

Control Panel 210042Q
#28

Control panel diagram

Control panel

Part #210042Q

$142.02
In Stock
Reducer Gear 37403P
#13A

Transmission diagram

Reducer gear

Part #37403P

$67.87
In Stock
Screen F270300
#6

Valve assy diagram

Screen

Part #F270300

This item is not returnable
$5.60
In Stock
Commercial Laundry Appliance Coin Box Ratchet Tool 310P4
#5

Tools 2 diagram

Commercial laundry appliance coin box ratchet tool

Part #310P4

$46.62
In Stock

Most common symptoms to help you fix your washers

Choose a symptom to see related washer repairs.

View all

Why is the water in my washing machine the wrong temperature?

Main causes: water heater failure, bad water temperature switch, faulty control board, bad water valve, faulty water tem…

Read more

Why does my washing machine overfill?

Main causes: leaky water inlet valve, faulty water-level pressure switch, bad electronic control board…

Read more

Why doesn't my washing machine work at all?

Main causes: lack of electrical power, wiring failure, bad power cord, electronic control board failure, bad user interf…

Read more

Why your washing machine won't finish its cycle

Main causes: broken lid switch or lid lock, bad pressure switch, broken shifter assembly, faulty control system…

Read more

Why won't my washing machine agitate or spin?

Main causes: worn agitator dogs, bad clutch, broken motor coupler, shifter assembly failure, broken door lock, suspensio…

Read more

Why won't my washing machine fill?

Main causes: no water supply, bad water valves, water-level pressure switch failure, control system failure, bad door lo…

Read more

Why won't my washing machine start?

Main causes: bad lid switch or door lock, bad timer or electronic control board, wiring failure, bad water inlet valve a…

Read more

Why won't my washing machine drain?

Main causes: clogged drain hose, house drain clogged, bad drain pump, water-level pressure switch failure, bad control b…

Read more

Why is my washing machine noisy or shaking?

Main causes: unbalanced load, loose spanner nut, worn drive block, broken shock absorber or suspension spring, debris in…

Read more

Repair guides for water softeners

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

View all
How to replace a water softener venturi

How to replace a water softener venturi

The venturi valve in your water softener draws brine water from the salt tank to the resin tank for regeneration. Follow…

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace a water softener rotor position switch

How to replace a water softener rotor position switch

The rotor position switch detects the position of the valve rotor. If the rotor position switch fails, follow these step…

Read more
Repair difficulty
Time required
 30 minutes or less
How to replace a water softener timer

How to replace a water softener timer

The timer is the control board you use to program the water softener. If the timer isn’t accepting commands when you pus…

Read more
Repair difficulty
Time required
 15 minutes or less

Effective articles & videos to help repair your washers

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

View all
How to use your washing machine efficiently

How to use your washing machine efficiently

Find tips for using your washing machine efficiently to save energy and help reduce utility bills.…

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