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Speed Queen
Washer

Model # SWT621LM1121 Official Speed Queen washer

Here are the diagrams and repair parts for Official Speed Queen SWT621LM1121 washer, as well as links to manuals and error code tables, if available.

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For DIY troubleshooting advice and repair guides, visit our repair help section.

Error Codes

Model diagram and schematic

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ALL PARTS
Showing 10 of 263 parts  |
Washer Drive Belt 38174
#19

Motor assy diagram

Washer drive belt

Part #38174

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

Washer Start Capacitor 37377
#26

Motor assy diagram

Washer start capacitor

Part #37377

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

Washer Drain Pump 201566P
#17

Motor assy diagram

Washer drain pump

Part #201566P

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

Washer Idler Spring 202032
#6A

Motor assy diagram

Washer idler spring

Part #202032

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

Gasket 34338
#5

Lid assy diagram

Gasket

Part #34338

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

Ring 23748
#14

Motor assy diagram

Ring

Part #23748

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

Washer 52549
#13

Motor assy diagram

Washer

Part #52549

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

Washer Tub-to-pump Hose 38351
#6

Drain hoses diagram

Washer tub-to-pump hose

Part #38351

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

Washer Agitator Screw And O-ring 39432
#11

Agitator assy diagram

Washer agitator screw and o-ring

Part #39432

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

Most common symptoms to help you fix your washers

Choose a symptom to see related washer repairs.

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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…

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Why does my washing machine overfill?

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

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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…

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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…

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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…

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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…

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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…

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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…

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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…

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Repair guides for top-mount refrigerators

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How to replace a door gasket in a top-freezer refrigerator

How to replace a door gasket in a top-freezer refrigerator

The door gasket seals the gap around the door to keep the cold air in and the warm air out. It’s easy to replace a worn …

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace the defrost thermistor in a top-freezer refrigerator

How to replace the defrost thermistor in a top-freezer refrigerator

The defrost thermistor attaches to the evaporator coil and measures the evaporator coil temperature during defrost.…

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Repair difficulty
Time required
 15 minutes or less
How to replace the defrost heater in a top-freezer refrigerator

How to replace the defrost heater in a top-freezer refrigerator

The refrigerator defrost heater melts frost from the freezer’s evaporator fins. Replace the defrost heater if it doesn't…

Read more
Repair difficulty
Time required
 30 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.

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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.…

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How to repair broken or damaged wires video

How to repair broken or damaged wires video

Learn how to repair broken, frayed or damaged wires in your appliances.…

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How to use a multimeter to test electrical parts video

How to use a multimeter to test electrical parts video

Learn how to use a multimeter to check for wiring problems in an appliance that's not working…

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