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Whirlpool
Dryer

Model # GGW9878JT2 Official Whirlpool dryer

Here are the diagrams and repair parts for Official Whirlpool GGW9878JT2 dryer, as well as links to manuals and error code tables, if available.

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Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

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

Owner’s manual
Error Codes

Model diagram and schematic

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Showing 10 of 170 parts  |
Dryer Drum Belt 8066065
#39

Cabinet diagram

Dryer drum belt

Part #8066065

Replaced by #341241

?
Manufacturer substitution
This part replaces 8066065. Substitute parts can look different from the original.
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Dryer Gas Valve Coil Kit 694539
#14

8318272 burner assembly diagram

Dryer gas valve coil kit

Part #694539

Replaced by #279834

?
Manufacturer substitution
This part replaces 694539. Substitute parts can look different from the original.
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Dryer Valve Coil Kit 694540
#13

8318272 burner assembly diagram

Dryer valve coil kit

Part #694540

Replaced by #279834

?
Manufacturer substitution
This part replaces 694540. Substitute parts can look different from the original.
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Idler Pulley 3394332
#38

Cabinet diagram

Idler pulley

Part #3394332

Replaced by #WP691366

?
Manufacturer substitution
This part replaces 3394332. Substitute parts can look different from the original.
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Dryer Repair Kit 279948
#NI

Top and console/lit/optional diagram

Dryer repair kit

Part #279948

Replaced by #4392065

?
Manufacturer substitution
This part replaces 279948. Substitute parts can look different from the original.
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Motor 661654
#43

Cabinet diagram

Motor

Part #661654

Replaced by #279827

?
Manufacturer substitution
This part replaces 661654. Substitute parts can look different from the original.
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Dryer Thermistor 3976615
#9

Bulkhead diagram

Dryer thermistor

Part #3976615

Replaced by #WP8577274

?
Manufacturer substitution
This part replaces 3976615. Substitute parts can look different from the original.
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Dryer Blower Wheel 694089
#10

Bulkhead diagram

Dryer blower wheel

Part #694089

Replaced by #WP694089

?
Manufacturer substitution
This part replaces 694089. Substitute parts can look different from the original.
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Igniter 686590
#4

8318272 burner assembly diagram

Igniter

Part #686590

Replaced by #279311

?
Manufacturer substitution
This part replaces 686590. Substitute parts can look different from the original.
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Dryer Thermal Fuse 3390719
#7

Bulkhead diagram

Dryer thermal fuse

Part #3390719

Replaced by #WP3390719

?
Manufacturer substitution
This part replaces 3390719. Substitute parts can look different from the original.
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$16.60 | 
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In Stock

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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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