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GMC
Furnace

Model # GUN075-3B Official GMC gas furnace

Here are the diagrams and repair parts for Official GMC GUN075-3B gas furnace, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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ALL PARTS
Showing 10 of 115 parts  |
Transformer B11416-00
#1

Misc. electrical/hardware diagram

Transformer

Part #B11416-00

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

Capacitor 5/ B9456-50
#10

Misc. electrical/hardware diagram

Capacitor 5/

Part #B9456-50

Replaced by #12005

?
Manufacturer substitution
This part replaces B9456-50. Substitute parts can look different from the original.
$16.49 | 
11% OFF Phone Price : $18.49
In Stock
Motor B13400-12
#2

Blower assembly diagram

Motor

Part #B13400-12

Replaced by #B13400-21S

?
Manufacturer substitution
This part replaces B13400-12. Substitute parts can look different from the original.
$333.82
In Stock
Blower Shell 18393-00
#7B

Blower assembly diagram

Blower shell

Part #18393-00

Replaced by #0271A00016S

?
Manufacturer substitution
This part replaces 18393-00. Substitute parts can look different from the original.
$120.53 | 
9% OFF Phone Price : $132.53
In Stock
Blower Wheel B13680-16
#3

Blower assembly diagram

Blower wheel

Part #B13680-16

Replaced by #B1368016S

?
Manufacturer substitution
This part replaces B13680-16. Substitute parts can look different from the original.
$107.24
In Stock
Gas Valve 12826-06S
#1

Gas train diagram

Gas valve

Part #12826-06S

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

Ignition Mod B13707-24
#3

Gas train diagram

Ignition mod

Part #B13707-24

Replaced by #BG1600M51EF-1AA

?
Manufacturer substitution
This part replaces B13707-24. Substitute parts can look different from the original.
$191.94 | 
6% OFF Phone Price : $203.94
In Stock
Furnace Inducer Vent Motor Assembly B1859001S
#9

Misc. electrical/hardware diagram

Furnace inducer vent motor assembly

Part #B1859001S

$1126.40
In Stock
Gas Orifice B17893-42
#4

Gas train diagram

Gas orifice

Part #B17893-42

Replaced by #B1789342

?
Manufacturer substitution
This part replaces B17893-42. Substitute parts can look different from the original.
$8.29
In Stock
Blower Wheel B13680-47
#3C

Blower assembly diagram

Blower wheel

Part #B13680-47

Replaced by #D6723306S

?
Manufacturer substitution
This part replaces B13680-47. Substitute parts can look different from the original.
$119.58 | 
9% OFF Phone Price : $131.58
In Stock

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