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Speed Queen
Dryer

Model # SDG109QF99L7 Official Speed Queen dryer

Here are the diagrams and repair parts for Official Speed Queen SDG109QF99L7 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 223 parts  |
Dryer Blower Fan 510139P
#11

Motor assy diagram

Dryer blower fan

Part #510139P

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

Screw 503688
#23

Meter case 2 diagram

Screw

Part #503688

Replaced by #WP3390631

?
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 Booster And Holding Valve Coil 58804A
#14

Gas valve diagram

Dryer booster and holding valve coil

Part #58804A

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

Dryer Door Strike 510181
#2

Door assy diagram

Dryer door strike

Part #510181

This item is not returnable
$3.57
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
Dryer Operating Thermostat 504515
#23

Motor assy diagram

Dryer operating thermostat

Part #504515

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

Switch 504570
#2

Front panel diagram

Switch

Part #504570

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

Motor Switch 501218P
#8

Motor assy diagram

Motor switch

Part #501218P

$97.87
In Stock
Alliance Down Holder 526P3
#18

Cabinet assy diagram

Alliance down holder

Part #526P3

$92.00
In Stock

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Most common symptoms to help you fix your dryers

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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 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 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 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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Why won't my dryer door stay shut?

Main causes: damaged door strike, worn door catch...

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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...

Read more

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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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 dryer thermistor

How to replace a dryer thermistor

The thermistor senses the air temperature in the dryer. If your dryer overheats or doesn't heat at all, the thermistor ...

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Repair difficulty
Time required
30 minutes or less
How to install a thermal cut-off fuse kit in a gas dryer

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

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

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Repair difficulty
Time required
15 minutes or less
How to replace a dryer drive belt

How to replace a dryer drive belt

If the drive belt breaks, the motor runs but the drum won't rotate. These step-by-step instructions guide you through th...

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Repair difficulty
Time required
90 minutes or less

Effective articles & videos to help repair your dryers

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