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Speed Queen
Dryer

Model # SDEF07QJ Official Speed Queen dryer

Here are the diagrams and repair parts for Official Speed Queen SDEF07QJ dryer, 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 177 parts  |
Screw 503688
Screw

Part #503688

Replaced by #WP3390631

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Manufacturer substitution
This part replaces 503688. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$4.39 | 
19% OFF Phone Price : $5.39
In Stock
Dryer Drive Motor 511629P
#4

Motor assy diagram

Dryer drive motor

Part #511629P

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

Lint Filter 503980
#8

Cylinder diagram

Lint filter

Part #503980

Replaced by #503980W

?
Manufacturer substitution
This part replaces 503980. Substitute parts can look different from the original.
$22.91
In Stock
Harness 800125P
#6

Control panel diagram

Harness

Part #800125P

$54.31
In Stock
Heatr Duct 510025P
#3

Heater assy diagram

Heatr duct

Part #510025P

$94.18
In Stock
Laundry Center Control Transformer 210018P
#16

Control panel diagram

Laundry center control transformer

Part #210018P

$123.80
In Stock
Bulkhead 511082P
#3

Roller assy diagram

Bulkhead

Part #511082P

$118.18
In Stock
Wire Harness 510482P
#2

Harnesses diagram

Wire harness

Part #510482P

$157.56
In Stock
End Cap-r 210108W
#18

Control panel diagram

End cap-r

Part #210108W

$11.80
In Stock
Dryer Blower Motor And Fan Kit 510717P
#25

Motor assy diagram

Dryer blower motor and fan kit

Part #510717P

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

Most common symptoms to help you fix your dryers

Choose a symptom to see related dryer repairs.

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Why won't my dryer heat?

Main causes: bad gas valve coils, broken heating element, tripped safety thermostat or fuse, bad operating thermostat, c…

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Why won't my dryer shut off?

Main causes: bad timer or electronic control board, door switch failure…

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Why doesn't my dryer work?

Main causes: lack of electrical power, bad power cord, wiring failure, bad control board, blown thermal fuse, bad door s…

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Why does my dryer start then stop?

Main causes: clogged exhaust vent, bad motor relay, loose dryer door catch, bad door switch, control system failure, fau…

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Why won't my dryer door stay shut?

Main causes: damaged door strike, worn door catch…

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Why is my dryer making a rattling noise?

Main causes: bad drum support roller, damaged idler pulley, broken blower fan blade, worn drum glide bearing, bad drive …

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Why isn't my dryer getting my laundry dry?

Main causes: clogged exhaust system, heating system failure, deposits on moisture sensor, control system failure…

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Why won't my dryer start?

Main causes: door switch failure, lack of power, broken belt, blown thermal fuse, bad drive motor, control system failur…

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Most common repair guides to help fix your dryers

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

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How to replace a thermal fuse in an electric dryer

How to replace a thermal fuse in an electric dryer

When the air in the dryer overheats—usually because the vent is clogged—the thermal fuse blows, stopping the dryer. You …

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Repair difficulty
Time required
 15 minutes or less
How to install a thermal cut-off fuse kit in an electric dryer

How to install a thermal cut-off fuse kit in an electric dryer

The thermal cut-off fuse shuts off the heat if the dryer overheats when the high-limit thermostat fails. Install a ther…

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace a dryer door switch

How to replace a dryer door switch

The dryer won't start if the door switch isn't working correctly. You can install a replacement dryer door switch in les…

Read more
Repair difficulty
Time required
 15 minutes or less

Effective articles & videos to help repair your dryers

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

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How to use your clothes dryer efficiently

How to use your clothes dryer efficiently

Get expert tips on using your dryer efficiently to save energy.…

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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.…

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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.…

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