Free standard ground shipping within the 48 contiguous states with any water filter subscription. Find my filter

Open Hamburger Menu
Sears Parts Direct
Tips to find your model number

GMC GUPX120-5B gas furnace Parts

Here are the diagrams and repair parts for GMC GUPX120-5B gas furnace, as well as links to manuals and error code tables, if available.

GMC GUPX120-5B gas furnace
By Schematic
SELECT DIAGRAM
?

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

Browse Parts forGUPX120-5B Gas Furnace

  • Manifold, 4 for GMC GUPX120-5B - Part B18264-02

    Gas train diagram

    Manifold, 4

    Part #B18264-02

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

  • Connector Pl for GMC GUPX120-5B - Part B13682-53

    Blower assembly diagram

    Connector Pl

    Part #B13682-53

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

  • Heat Exch Su for GMC GUPX120-5B - Part 18212-11S

    Heat exchanger assembly diagram

    Heat Exch Su

    Part #18212-11S

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

  • Motor for GMC GUPX120-5B - Part B13400-12

    Blower assembly diagram

    Motor

    Part #B13400-12

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

  • Blower Shell for GMC GUPX120-5B - Part 14393-91

    Blower assembly diagram

    Blower Shell

    Part #14393-91

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

  • Heat Exch Su for GMC GUPX120-5B - Part 18212-08S

    Heat exchanger assembly diagram

    Heat Exch Su

    Part #18212-08S

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

  • Manifold, 3 for GMC GUPX120-5B - Part B18264-01

    Gas train diagram

    Manifold, 3

    Part #B18264-01

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

  • Ignition Mod for GMC GUPX120-5B - Part B13707-24

    Gas train diagram

    Ignition Mod

    Part #B13707-24

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

  • Burner Assembly for GMC GUPX120-5B - Part B18225-04

    Gas train diagram

    Burner Assembly

    Part #B18225-04

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

  • Furnace Air Pressure Switch for GMC GUPX120-5B - Part B13701-26

    Misc. electrical and hardware diagram

    Furnace Air Pressure Switch

    Part #B13701-26

    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