Goodman
Air Handler

Model # A18-05C Official Goodman air handler with coil

Here are the diagrams and repair parts for Official Goodman A18-05C air handler with coil, 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 43 parts  |

Air Handler Transformer B1141643
#111

Air handler with coil diagram

Air handler transformer

Part #B1141643

Replaced by #0130M00138S

?
Manufacturer substitution
This part replaces B1141643. Substitute parts can look different from the original.
This item is not returnable
$50.26
9% OFF Phone Price : $55.26
In Stock
Central Air Conditioner Air Handler Blower Motor B13400313S
#131A

Air handler with coil diagram

Central air conditioner air handler blower motor

Part #B13400313S

$318.50
$10.00 OFF Phone Price : $328.50
In Stock
Furnace Heating Element Assembly (replaces B10374-85) B1037485S
#71C

Air handler with coil diagram

Furnace heating element assembly (replaces b10374-85)

Part #B1037485S

$80.25
6% OFF Phone Price : $85.25
In Stock
Goodman Terminal Block B1368250
#251

Air handler with coil diagram

Goodman terminal block

Part #B1368250

In Stock
Goodman Flowrator W/copper Stub Assy. B1313668
#181B

Air handler with coil diagram

Goodman flowrator w/copper stub assy.

Part #B1313668

In Stock
Central Air Conditioner Air Handler Heater B1037487S
#71D

Air handler with coil diagram

Central air conditioner air handler heater

Part #B1037487S

$123.72
7% OFF Phone Price : $133.72
In Stock
Goodman Heat Element (single Pack) B1037480S
#71B

Air handler with coil diagram

Goodman heat element (single pack)

Part #B1037480S

In Stock
Wheel B1368035S
#141

Air handler with coil diagram

Wheel

Part #B1368035S

In Stock
Circuit Breaker Plate(m2-a18-05c;m6-a24-05c;m8-a24-08c;m10-a24-10c;m13-a30-08c;m15-a30-10c;m16-a30-15;m19-a32-05c;m21-a-32-08c;m23-a32-15) 1495206
#231

Air handler with coil diagram

Circuit breaker plate(m2-a18-05c;m6-a24-05c;m8-a24-08c;m10-a24-10c;m13-a30-08c;m15-a30-10c;m16-a30-15;m19-a32-05c;m21-a-32-08c;m23-a32-15)

Part #1495206

In Stock
Furnace Heater Element With Limit Switch (replaces B10374-89) B1037489S
#71A

Air handler with coil diagram

Furnace heater element with limit switch (replaces b10374-89)

Part #B1037489S

In Stock

Symptoms for top-mount refrigerators

Main causes: frozen or clogged defrost drain tube, cracked water system tubing…

Repair guides for top-mount refrigerators

How to replace a refrigerator water valve

How to replace a refrigerator water valve

Replace the water valve that feeds water to the ice maker and water dispenser if it no longer controls the flow of water…

Repair difficulty
Time required
 15 minutes or less
How to replace the evaporator fan motor in a top-freezer refrigerator

How to replace the evaporator fan motor in a top-freezer refrigerator

The evaporator fan motor blows air across the evaporator coils and through the refrigerator cabinet for cooling. Replace…

Repair difficulty
Time required
 15 minutes or less
How to replace the compressor start relay in a top-freezer refrigerator

How to replace the compressor start relay in a top-freezer refrigerator

The compressor start relay starts the compressor and shuts it off if the motor overheats. Replace the start relay if it'…

Repair difficulty
Time required
 15 minutes or less

Effective articles & videos to help repair your air handlers

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.…