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GMC GUN125-4B gas furnace Parts

Name: GMC GUN125-4B Parts | Diagrams | Sears PartsDirect
Brand: GMC
SKU: GUN125-4B
Availability: InStock

Here are the diagrams and repair parts for GMC GUN125-4B gas furnace, as well as links to manuals and error code tables, if available.

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Browse Parts for GUN125-4B Gas Furnace

Heat exchanger assembly diagram
Secondary Air Door (gus100-4)
Part #18820-08
The manufacturer no longer makes this part, and there's no substitute part
Casing diagram
Casing Assembly
Part #18161-39S
The manufacturer no longer makes this part, and there's no substitute part
Blower assembly diagram
Blower Wheel
Part #B13680-34
The manufacturer no longer makes this part, and there's no substitute part
Blower assembly diagram
Blower Shell
Part #14393-77
The manufacturer no longer makes this part, and there's no substitute part
Misc. electrical/hardware diagram
Combustion A
Part #B18105-06
The manufacturer no longer makes this part, and there's no substitute part
Heat exchanger assembly diagram
Heat Exchange
Part #18212-28S
The manufacturer no longer makes this part, and there's no substitute part
Casing diagram
Casing Assembly
Part #18161-38S
The manufacturer no longer makes this part, and there's no substitute part
Heat exchanger assembly diagram
Burner Box T
Part #18823-01
The manufacturer no longer makes this part, and there's no substitute part
Blower assembly diagram
Blwr Asm,ser
Part #18682-00S
The manufacturer no longer makes this part, and there's no substitute part
Casing diagram
Top Channel (gun125-5b, Gus125-5)
Part #18221-06S
The manufacturer no longer makes this part, and there's no substitute part