Get free shipping on your order, with any water filter subscription. Find my filter

Open Hamburger Menu
Sears Parts Direct
Tips to find your model number
Goodman GMN120-5 gas furnace

Goodman GMN120-5 gas furnace Parts

Here are the diagrams and repair parts for Goodman GMN120-5 gas furnace, as well as links to manuals and error code tables, if available.

By Schematic
SELECT DIAGRAM
?

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

Browse Parts for GMN120-5 Gas Furnace

  • Motor Mounting Bracket for Goodman GMN120-5 - Part B13768-59

    Heat exchanger diagram

    Motor Mounting Bracket

    Part #B13768-59

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

  • Rtnr Bracket for Goodman GMN120-5 - Part 28702-01

    Heat exchanger diagram

    Rtnr Bracket

    Part #28702-01

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

  • Wrappe Assy for Goodman GMN120-5 - Part 28165-03S

    Heat exchanger diagram

    Wrappe Assy

    Part #28165-03S

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

  • Vnt Comb Kit for Goodman GMN120-5 - Part B18105-11

    Vnt Comb Kit

    Part #B18105-11

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

  • Blower Wheel for Goodman GMN120-5 - Part B13680-34

    Heat exchanger diagram

    Blower Wheel

    Part #B13680-34

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

  • Door Switch for Goodman GMN120-5 - Part B13708-19

    Heat exchangers/misc.electrical diagram

    Door Switch

    Part #B13708-19

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

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.…

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.…

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.…

Parts & More

Parts