Goodman
Furnace

Model #GMT140-5B Official Goodman gas furnace

Here are the diagrams and repair parts for Goodman GMT140-5B gas furnace, 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.

Installation guide

Showing 10 of 154 parts

Furnace Air Pressure Switch#351C

Misc. components/drain kit assembly Diagram

Furnace air pressure switch

Part #B1370158
This item is not returnable
In Stock
$25.49 | 
16% OFF 
Phone Price: $30.49
Furnace Burner Flame Sensor (replaces B1172606)#141

Burner box assembly Diagram

Flame sensor

Part #B1172606
Replaced by #0130F00010
?
Manufacturer substitution
This part replaces B1172606. Substitute parts can look different from the original.
This item is not returnable
In Stock
$42.41 | 
11% OFF 
Phone Price: $47.41
Furnace Burner Igniter (replaces B14010-15S)#131

Burner box assembly Diagram

Igniter

Part #B1401015S
Replaced by #B1401018S
?
Manufacturer substitution
This part replaces B1401015S. Substitute parts can look different from the original.
In Stock
$43.19 | 
10% OFF 
Phone Price: $48.19
Furnace Hot-Surface Ignition Control Board (replaces 18099-13S, B18099-13S)#291

Misc. components/drain kit assembly Diagram

In Stock
$197.06 | 
5% OFF 
Phone Price: $207.06
Furnace Vent Motor Duct Adapter#341A

Misc. components/drain kit assembly Diagram

Chimney

Part #4023500
Replaced by #4053501S
?
Manufacturer substitution
This part replaces 4023500. Substitute parts can look different from the original.
In Stock
$25.60
Furnace Blower Fan Motor Housing#221

Blower assembly Diagram

Shell

Part #2539307
Replaced by #2539307S
?
Manufacturer substitution
This part replaces 2539307. Substitute parts can look different from the original.
In Stock
$89.51 | 
5% OFF 
Phone Price: $94.51
Furnace Transformer (replaces B1141605)#301

Misc. components/drain kit assembly Diagram

Transformer

Part #B1141605
Replaced by #0130M00140
?
Manufacturer substitution
This part replaces B1141605. Substitute parts can look different from the original.
In Stock
$51.39 | 
9% OFF 
Phone Price: $56.39
Furnace Auxiliary Limit Control (replaces B13701-11)#401

Blower assembly Diagram

In Stock
$18.39 | 
10% OFF 
Phone Price: $20.39
Furnace Vent Air Pressure Switch (replaces B13701-42)#351

Misc. components/drain kit assembly Diagram

In Stock
$24.39 | 
17% OFF 
Phone Price: $29.39
Furnace Air Pressure Switch#351A

Misc. components/drain kit assembly Diagram

In Stock
$21.99

Articles and videos common to all furnaces

November 30, 2022

2023 HVAC regulation changes and how they may affect you

2023 HVAC regulation changes and how they may affect you

Find out how new DOE standards going into effect in 2023 can affect you and what you need to do.

August 5, 2022

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

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.

June 29, 2022

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.