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GMC GUS125-5 gas furnace Parts
Here are the diagrams and repair parts for GMC GUS125-5 gas furnace, as well as links to manuals and error code tables, if available.
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Browse Parts for GUS125-5 Gas Furnace
Heat exchanger assembly diagram
Flue Collector (gun100-4b, Gus100-4)
Part #18812-15
The manufacturer no longer makes this part, and there's no substitute part
Heat exchanger assembly diagram
Upper Conn.
Part #B18103-00
The manufacturer no longer makes this part, and there's no substitute part
Blower assembly diagram
Capacitor 12
Part #B9456-72
The manufacturer no longer makes this part, and there's no substitute part
Heat exchanger assembly diagram
Comb Box Wra
Part #18820-01
The manufacturer no longer makes this part, and there's no substitute part
Blower assembly diagram
Motor
Part #B13400-14
The manufacturer no longer makes this part, and there's no substitute part
Heat exchanger assembly diagram
Secondary Ai
Part #18224-09
The manufacturer no longer makes this part, and there's no substitute part
Gas train diagram
Manifold, 2
Part #B18264-16
The manufacturer no longer makes this part, and there's no substitute part
Heat exchanger assembly diagram
Manifold Bra
Part #18159-01
The manufacturer no longer makes this part, and there's no substitute part
Misc. electrical/hardware diagram
Air Pressure
Part #B13701-31
The manufacturer no longer makes this part, and there's no substitute part
Casing diagram
Furnace Blower Door
Part #18223-42
The manufacturer no longer makes this part, and there's no substitute part
Repair guides for side-by-side refrigerators
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 press-in door gasket in a side-by-side refrigerator
The door gasket seals the gap around the door to keep the cold air in and the warm air out. Replace a worn or damaged do…
Repair time and Difficulty
15 minutes or less
How to replace an ice maker in a side-by-side refrigerator
Learn how to replace the ice maker in a side-by-side refrigerator with these step-by-step instructions.…
Repair time and Difficulty
30 minutes or less
Effective articles & videos to help repair your furnaces
Get expert tips for preparing your furnace for winter. Follow maintenance tips to keep your furnace in top shape.…
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