GMC
Central Air Conditioner

Model # CX12-1A Official GMC condensing unit

Here are the diagrams and repair parts for Official GMC CX12-1A condensing unit, 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 20 parts  |

Filter Drier B12192-17
#18

Unit parts diagram

Filter drier

Part #B12192-17

Replaced by #163S

?
Manufacturer substitution
This part replaces B12192-17. Substitute parts can look different from the original.
$48.94
11% OFF Phone Price : $54.94
In Stock
Fan Blade, 1 B10867-56
#1

Unit parts diagram

Fan blade, 1

Part #B10867-56

Replaced by #B1086756S

?
Manufacturer substitution
This part replaces B10867-56. Substitute parts can look different from the original.
In Stock
Plastic Vent 17878-10
#5

Unit parts diagram

Plastic vent

Part #17878-10

Replaced by #B1787810

?
Manufacturer substitution
This part replaces 17878-10. Substitute parts can look different from the original.
In Stock
Base Valve 3 B12825-40
#2

Unit parts diagram

Base valve 3

Part #B12825-40

Replaced by #20163801

?
Manufacturer substitution
This part replaces B12825-40. Substitute parts can look different from the original.
In Stock
Capacitor 40 B9457-5500
#17

Unit parts diagram

Capacitor 40

Part #B9457-5500

Replaced by #STD378405

?
Manufacturer substitution
This part replaces B9457-5500. Substitute parts can look different from the original.
In Stock
Contactor 25 B13603-21
#16

Unit parts diagram

Contactor 25

Part #B13603-21

Replaced by #94-388

?
Manufacturer substitution
This part replaces B13603-21. Substitute parts can look different from the original.
$33.20
15% OFF Phone Price : $39.20
In Stock
Motor 1/6 Hp B13400-251
#4

Unit parts diagram

Motor 1/6 hp

Part #B13400-251

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

Valve Core C B17870-00
#6

Unit parts diagram

Valve core c

Part #B17870-00

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

Inlet Grille B12593-17
#19

Unit parts diagram

Inlet grille

Part #B12593-17

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

Base Valve 5 B12825-41
#3

Unit parts diagram

Base valve 5

Part #B12825-41

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

Effective articles & videos to help repair your central air conditioners

Maintaining your air conditioner

Maintaining your air conditioner

Learn how to maintain your central air conditioner to keep it running smoothly all summer long.…

How to prevent the 2 most common AC failures from ruining your summer

How to prevent the 2 most common AC failures from ruining your summer

Get tips to help keep your central AC running all summer long…

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.…