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
Speed Queen
Washer

Model # DA3780 Official Speed Queen washing machine

Here are the diagrams and repair parts for Official Speed Queen DA3780 washing machine, 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 435 parts  |
Hose Clamp 22294
Hose clamp

Part #22294

Replaced by #WP596669

?
Manufacturer substitution
This part replaces 22294. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$4.37 | 
19% OFF Phone Price : $5.37
In Stock
Mixing Valve 25832
#2

Mixing valve (starting serial # s11n287 and 21r99118) diagram

Mixing valve

Part #25832

Replaced by #205613

?
Manufacturer substitution
This part replaces 25832. Substitute parts can look different from the original.
$87.63 | 
6% OFF Phone Price : $93.63
In Stock
Screw 26415
#7

Panels diagram

Screw

Part #26415

Replaced by #WP27001200

?
Manufacturer substitution
This part replaces 26415. Substitute parts can look different from the original.
This item is not returnable
$4.39 | 
19% OFF Phone Price : $5.39
In Stock
Gasket 21233
#3

Boot, chassis and drain tub diagram

Gasket

Part #21233

$23.89
In Stock
Nut 20275
Nut

Part #20275

This item is not returnable
$2.16
In Stock
Connector 21091
#17

Power cord, wire and terminals diagram

Connector

Part #21091

This item is not returnable
$3.09
In Stock
Speed Queen Nut 24205
#25

Control panel, control hood and controls diagram

Speed queen nut

Part #24205

This item is not returnable
$3.49
In Stock
Switch 21300
#16

Control panel, control hood and controls diagram

Switch

Part #21300

$59.38
In Stock
Speed Queen Screw 22649
#1

Cabinet top and loading door diagram

Speed queen screw

Part #22649

$13.43
In Stock
Brake Disk 24599
#17

Main bearing assembly diagram

Brake disk

Part #24599

$24.40
In Stock

Most common symptoms to help you fix your washers

Choose a symptom to see related washer repairs.

View all

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 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 does my washing machine overfill?

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

Read more

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 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 agitate or spin?

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

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

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 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

Repair guides for side-by-side refrigerators

View all
How to replace a foamed-in-place door gasket in a side-by-side refrigerator

How to replace a foamed-in-place door gasket in a side-by-side refrigerator

The door gasket seals the gap around the door to keep the cold air in and the warm air out. Replace a worn or damaged do…

Read more
Repair difficulty
Time required
 30 minutes or less
How to replace a press-in door gasket in a side-by-side refrigerator

How to replace a press-in door gasket in a side-by-side refrigerator

The door gasket seals the gap around the door to keep the cold air in and the warm air out. Replace a worn or damaged do…

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace a refrigerator water valve

How to replace a refrigerator water valve

Replace the water valve that feeds water to the ice maker and water dispenser if it no longer controls the flow of water…

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