Top parts for:
Get free shipping with Automatic Reorder
Amana
Furnace

Model # GS125B3 Official Amana gas-fired furnace

Here are the diagrams and repair parts for Official Amana GS125B3 gas-fired furnace, as well as links to manuals and error code tables, if available.

There are a couple of ways to find the part or diagram you need:

  • Click a diagram to see the parts shown on that diagram.
  • In the search box below, enter all or part of the part number or the part’s name.

Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

We encourage you to save the model to your profile, so it’s easy to access parts and manuals for your appliance whenever you log in.

For DIY troubleshooting advice and repair guides, visit our repair help section.

Model diagram and schematic

SEARCH WITHIN THIS MODEL

?

This is the number corresponding to the part on the diagram / schematic

Search
ALL PARTS
Showing 10 of 194 parts  |

Blower Pulley 7 X 3/4 20-1560
#15A

(gs50ah) (gs50aa) (gs50a2) (gs50da) (gs075ah) (gs075aa) (gs075a2) (gs075da) (gs075a3) (gs075fa) (gs075bh) (gs075ma) (gs075b2) (gs075pa) (gs075ra) (gs075b3) (gs100aa) (gs100ah) (gs100a2) (gs100da) (gs100fa) (gs100a3) (gs100a4) (gs100ga) (gs100bh) (gs100ma diagram

Blower pulley 7 x 3/4

Part #20-1560

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

Blower Assembly (less Motor-drives-belts) 980-1102
#2

(gs50ah) (gs50aa) (gs50a2) (gs50da) (gs075ah) (gs075aa) (gs075a2) (gs075da) (gs075a3) (gs075fa) (gs075bh) (gs075ma) (gs075b2) (gs075pa) (gs075ra) (gs075b3) (gs100aa) (gs100ah) (gs100a2) (gs100da) (gs100fa) (gs100a3) (gs100a4) (gs100ga) (gs100bh) (gs100ma diagram

Blower assembly (less motor-drives-belts)

Part #980-1102

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

Mainfold Assembly (less Controls) 985-1184
#45E

(gs050) (gs075) (gs100) (gs125) (gs150) (gs165) diagram

Mainfold assembly (less controls)

Part #985-1184

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

Furnace Blower Access Panel 270-2460
#35D

(gs050) (gs075) (gs100) (gs125) (gs150) (gs165) diagram

Furnace blower access panel

Part #270-2460

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

Motor Direct Drive 1/3 Red., Cy6727a 20-0132
#13C

(gs50ah) (gs50aa) (gs50a2) (gs50da) (gs075ah) (gs075aa) (gs075a2) (gs075da) (gs075a3) (gs075fa) (gs075bh) (gs075ma) (gs075b2) (gs075pa) (gs075ra) (gs075b3) (gs100aa) (gs100ah) (gs100a2) (gs100da) (gs100fa) (gs100a3) (gs100a4) (gs100ga) (gs100bh) (gs100ma diagram

Motor direct drive 1/3 red., cy6727a

Part #20-0132

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

Burner Tube Spacer 975-1028
#54D

(gs050) (gs075) (gs100) (gs125) (gs150) (gs165) diagram

Burner tube spacer

Part #975-1028

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

Motor Capacitor, 5 Mfd - 440v 22-9603
#21B

(gs50ah) (gs50aa) (gs50a2) (gs50da) (gs075ah) (gs075aa) (gs075a2) (gs075da) (gs075a3) (gs075fa) (gs075bh) (gs075ma) (gs075b2) (gs075pa) (gs075ra) (gs075b3) (gs100aa) (gs100ah) (gs100a2) (gs100da) (gs100fa) (gs100a3) (gs100a4) (gs100ga) (gs100bh) (gs100ma diagram

Motor capacitor, 5 mfd - 440v

Part #22-9603

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

Left Side Panel Assembly 267-3000
#32A

(gs050) (gs075) (gs100) (gs125) (gs150) (gs165) diagram

Left side panel assembly

Part #267-3000

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

Blower Assembly (w/motor), 10-10d 980-0277
#1D

(gs50ah) (gs50aa) (gs50a2) (gs50da) (gs075ah) (gs075aa) (gs075a2) (gs075da) (gs075a3) (gs075fa) (gs075bh) (gs075ma) (gs075b2) (gs075pa) (gs075ra) (gs075b3) (gs100aa) (gs100ah) (gs100a2) (gs100da) (gs100fa) (gs100a3) (gs100a4) (gs100ga) (gs100bh) (gs100ma diagram

Blower assembly (w/motor), 10-10d

Part #980-0277

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

Adjustable Tail Piece Assembly 980-0040
#17

(gs50ah) (gs50aa) (gs50a2) (gs50da) (gs075ah) (gs075aa) (gs075a2) (gs075da) (gs075a3) (gs075fa) (gs075bh) (gs075ma) (gs075b2) (gs075pa) (gs075ra) (gs075b3) (gs100aa) (gs100ah) (gs100a2) (gs100da) (gs100fa) (gs100a3) (gs100a4) (gs100ga) (gs100bh) (gs100ma diagram

Adjustable tail piece assembly

Part #980-0040

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

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....

Introducing new technical repair content that we’re developing for the Sears Technical Institute

Introducing new technical repair content that we’re developing for the Sears Technical Institute

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

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....