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
GMC GUPX100-5B gas furnace

GMC GUPX100-5B gas furnace Parts

Here are the diagrams and repair parts for GMC GUPX100-5B 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 GUPX100-5B Gas Furnace

  • Blower Shell for GMC GUPX100-5B - Part 14393-91

    Blower assembly diagram

    Blower Shell

    Part #14393-91

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

  • Manifold, 3 for GMC GUPX100-5B - Part B18264-01

    Gas train diagram

    Manifold, 3

    Part #B18264-01

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

  • Heat Exch Su for GMC GUPX100-5B - Part 18212-02S

    Heat exchanger assembly diagram

    Heat Exch Su

    Part #18212-02S

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

  • Power Vent H for GMC GUPX100-5B - Part 18812-10

    Heat exchanger assembly diagram

    Power Vent H

    Part #18812-10

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

  • Flue Restric for GMC GUPX100-5B - Part 18248-18

    Heat exchanger assembly diagram

    Flue Restric

    Part #18248-18

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

  • Pilot Assembly for GMC GUPX100-5B - Part 14010-03S

    Gas train diagram

    Pilot Assembly

    Part #14010-03S

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

  • Furnace Air Pressure Switch for GMC GUPX100-5B - Part B13701-33

    Misc. electrical and hardware diagram

    Furnace Air Pressure Switch

    Part #B13701-33

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

  • Blower Shell for GMC GUPX100-5B - Part 14393-77

    Blower assembly diagram

    Blower Shell

    Part #14393-77

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

  • Blower for GMC GUPX100-5B - Part 18682-21S

    Blower assembly diagram

    Blower

    Part #18682-21S

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

Repair guides for bottom-mount refrigerators

How to replace an electronic control board on the back of a refrigerator

How to replace an electronic control board on the back of a refrigerator

If your refrigerator isn't running, an electronic control board failure could be the problem. A service technician can d…

Repair time and Difficulty

 15 minutes or less
How to replace a door gasket in a French-door refrigerator

How to replace a door gasket in a French-door refrigerator

The door gasket, often called a door seal, seals the gap around the door to keep the cold air in and the warm air out. R…

Repair time and Difficulty

 15 minutes or less
How to replace an in-door ice maker on a French door refrigerator

How to replace an in-door ice maker on a French door refrigerator

Follow these step-by-step instructions how to replace the in-door ice maker in Kenmore TRIO and LG French door refrigera…

Repair time and Difficulty

 15 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.…

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

Air Compressor
Audio Equipment
Camcorder
Camping
Compact Stereo System
Countertop Microwave
Digital Camcorder
Electric Water Heater
Fitness & Exercise
Gas Water Heater
Heating & Cooling Combined Unit
Lawn & Garden
Microwave
Television
Upright Freezer