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Model # GUS125-5 Official Goodman gas furnace
Here are the diagrams and repair parts for Official Goodman GUS125-5 gas furnace, as well as links to manuals and error code tables, if available.
By Schematic
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Browse Parts for
GUS125-5 Gas Furnace
#1
Misc. electrical/hardware diagram
Transformer
Part #B11416-00
The manufacturer no longer makes this part, and there's no substitute part
#1A
Blower assembly diagram
Capacitor 10
Part #B9456-52
Replaced by #12908
?
Manufacturer substitution
This part replaces B9456-52. Substitute parts can look different from the original.
$107.77 |
10% OFF Phone Price : $119.77
In Stock
#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
#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
#1
Gas train diagram
Gas valve
Part #12826-06S
The manufacturer no longer makes this part, and there's no substitute part
#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
#9
Misc. electrical/hardware diagram
Furnace inducer vent motor assembly
Part #B1859001S
$1126.40
In Stock
#2B
Heat exchanger assembly diagram
Limit, 150f,
Part #B13700-06
Replaced by #1370906S
?
Manufacturer substitution
This part replaces B13700-06. Substitute parts can look different from the original.
$48.84
In Stock
#4C
Heat exchanger assembly diagram
Heat exchange
Part #18212-31S
Replaced by #0257F00067
?
Manufacturer substitution
This part replaces 18212-31S. Substitute parts can look different from the original.
$1620.55
In Stock
#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.
$1209.27
In Stock
Symptoms for gas walk-behind mowers
Choose a symptom to see related walk-behind mower repairs.
Main causes: damaged cutting blade, loose cutting blade, damaged flywheel key, engine needs tune up…
Main causes: uneven wheel height settings, damaged wheel, dull or damaged cutting blade…
Main causes: engine needs tune up, dirty or clogged carburetor, damaged flywheel key…
Main causes: drive control cable failure, worn or broken drive belt, bad transmission, broken drive wheel…
Main causes: stale gas, engine needs tune up, bad spark plug, dead battery, bad recoil starter, faulty safety switch, ba…
Main causes: dirty carburetor, bad spark plug, clogged air filter, engine choke problems, clogged gas cap vent…
Repair guides for gas walk-behind mowers
These step-by-step repair guides will help you safely fix what’s broken on your walk-behind lawn mower.

How to rebuild a lawn mower carburetor
The carburetor mixes air with fuel to drive the piston. Rebuild the carburetor if it's clogged or leaks.…
Repair difficulty
Time required
60 minutes or less

How to replace a lawn mower recoil starter on an OHV engine
Replace the recoil starter if it doesn't move when you pull the starter rope.…
Repair difficulty
Time required
15 minutes or less

How to replace a lawn mower wheel
Learn how replace a damaged wheel on a walk-behind lawn mower—it's a quick, easy fix.…
Repair difficulty
Time required
15 minutes or less
Effective articles & videos to help repair your furnaces
Use the advice and tips in these articles and videos to get the most out of your walk-behind lawn mower.

Get expert tips for preparing your furnace for winter. Follow maintenance tips to keep your furnace in top shape.…

Learn about Sears Technical Institute and the advanced technical content being developed for aspiring appliance techs.…

Get answers to frequently asked questions about Sears and Sears PartsDirect.…