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Goodman
Furnace

Model # GDT090-4B Official Goodman gas furnace

Here are the diagrams and repair parts for Official Goodman GDT090-4B gas furnace, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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Showing 10 of 154 parts  |
Furnace Hot-surface Ignition Control Board (replaces 18099-13s, B18099-13s) B1809913S
#291

Misc. components/drain kit assembly diagram

Furnace hot-surface ignition control board (replaces 18099-13s, b18099-13s)

Part #B1809913S

This item is not returnable
$185.31 | 
6% OFF Phone Price : $197.31
In Stock
Motor B4059001
#111

Heat exchanger assembly diagram

Motor

Part #B4059001

Replaced by #0131M00002PSP

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Manufacturer substitution
This part replaces B4059001. Substitute parts can look different from the original.
$158.40 | 
7% OFF Phone Price : $170.40
In Stock
Furnace Burner Roll-out Limit Switch B1370145
#151

Burner box assembly diagram

Furnace burner roll-out limit switch

Part #B1370145

$11.69
In Stock
Furnace Air Pressure Switch B1370159
#351D

Misc. components/drain kit assembly diagram

Furnace air pressure switch

Part #B1370159

$57.18
In Stock
Manifold B4026003
#191F

Burner box assembly diagram

Manifold

Part #B4026003

$48.92 | 
11% OFF Phone Price : $54.92
Back Order
Wheel Blow B1368016
#241B

Blower assembly diagram

Wheel blow

Part #B1368016

Replaced by #B1368016S

?
Manufacturer substitution
This part replaces B1368016. Substitute parts can look different from the original.
$107.24
In Stock
Furnace Primary Thermal Limit Switch, 160-degree B1370187
#91A

Heat exchanger assembly diagram

Furnace primary thermal limit switch, 160-degree

Part #B1370187

$20.99 | 
22% OFF Phone Price : $26.99
In Stock
Furnace Door Switch B1370819
#331

Misc. components/drain kit assembly diagram

Furnace door switch

Part #B1370819

$39.14 | 
13% OFF Phone Price : $45.14
In Stock
Burner Box Top, 6 Cl (gmt140-5b, Gmnt120-5b) 4013009
#121D

Burner box assembly diagram

Burner box top, 6 cl (gmt140-5b, gmnt120-5b)

Part #4013009

$23.53
In Stock
Arm B1376857
#261

Blower assembly diagram

Arm

Part #B1376857

$8.51 | 
11% OFF Phone Price : $9.51
In Stock

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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…

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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

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How to get your furnace ready for winter

Get expert tips for preparing your furnace for winter. Follow maintenance tips to keep your furnace in top shape.…

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Introducing new technical repair content that we’re developing for the Sears Technical Institute

Learn about Sears Technical Institute and the advanced technical content being developed for aspiring appliance techs.…

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