Goodman
Furnace

Model # GMPN120-5 Official Goodman gas furnace

Here are the diagrams and repair parts for Official Goodman GMPN120-5 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.

Model diagram and schematic

SEARCH WITHIN THIS MODEL

?

This is the number corresponding to the part on the diagram / schematic

Search
ALL PARTS
Showing 10 of 129 parts  |

Furnace Hot-surface Ignition Control Board (replaces 18099-13s, B18099-13s) B1809913S
#42

Burner box/control panel/blower 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
Furnace Burner Flame Sensor (replaces B1172606) 0130F00010
#51

Burner box/control panel/blower diagram

Furnace burner flame sensor (replaces b1172606)

Part #0130F00010

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

Wheel B1368047A
#43

Burner box/control panel/blower diagram

Wheel

Part #B1368047A

Replaced by #D6723306S

?
Manufacturer substitution
This part replaces B1368047A. Substitute parts can look different from the original.
$119.58
9% OFF Phone Price : $131.58
In Stock
Furnace Gas Valve (replaces 0151m00013s) B1282628
#41

Heat exchanger diagram

Furnace gas valve (replaces 0151m00013s)

Part #B1282628

$114.39
9% OFF Phone Price : $126.39
In Stock
Furnace Flue Collector Box, 14-in 2820004S
#81

Heat exchanger diagram

Furnace flue collector box, 14-in

Part #2820004S

In Stock
Furnace Flue Collector Box 2820007S
#81C

Heat exchanger diagram

Furnace flue collector box

Part #2820007S

In Stock
Furnace Burner B4022700
#91

Burner box/control panel/blower diagram

Furnace burner

Part #B4022700

$21.16
22% OFF Phone Price : $27.16
In Stock
Furnace Blower Fan Motor Housing (replaces 2539305) 2539305S
#13A

Burner box/control panel/blower diagram

Furnace blower fan motor housing (replaces 2539305)

Part #2539305S

$86.06
7% OFF Phone Price : $92.06
In Stock
Switch B1370154
#41

Burner box/control panel/blower diagram

Switch

Part #B1370154

Replaced by #B13701-54

?
Manufacturer substitution
This part replaces B1370154. Substitute parts can look different from the original.
$18.99
10% OFF Phone Price : $20.99
In Stock
Flue Box 2820006S
#81B

Heat exchanger diagram

Flue box

Part #2820006S

Replaced by #28200-06S

?
Manufacturer substitution
This part replaces 2820006S. Substitute parts can look different from the original.
$198.76
6% OFF Phone Price : $210.76
In Stock

Symptoms for upright freezers

Main causes: clogged or frozen defrost drain tube…

Repair guides for upright freezers

How to replace a freezer door switch

How to replace a freezer door switch

When the door switch fails, the freezer can’t detect that the door is closed. Follow the steps in this repair guide to r…

Repair difficulty
Time required
 15 minutes or less
How to replace a freezer thermistor

How to replace a freezer thermistor

When the thermistor can’t sense the freezer temperature, the freezer is colder or warmer than the set temperature. Follo…

Repair difficulty
Time required
 45 minutes or less
How to replace a freezer evaporator fan

How to replace a freezer evaporator fan

Air won’t circulate to cool the freezer properly when the evaporator fan fails. Follow these step-by-step instructions t…

Repair difficulty
Time required
 45 minutes or less

Effective articles & videos to help repair your furnaces

How to get your furnace ready for winter

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.…

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.…

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.…