Goodman
Air Handler

Model #A42-08C Official Goodman air handler with coil

Here are the diagrams and repair parts for Goodman A42-08C air handler with coil, as well as links to manuals and error code tables, if available.

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Showing 10 of 40 parts

Furnace Heater Element with Limit Switch (replaces B10374-89)#7C

Air handler Diagram

Heating elem

Part #B10374-70
Replaced by #B1037489S
?
Manufacturer substitution
This part replaces B10374-70. Substitute parts can look different from the original.
In Stock
$153.19
Furnace Heat Sequencer#9B

Air handler Diagram

Furnace heat sequencer

Part #B12565-53
In Stock
$51.63
Furnace Blower Motor Housing#22

Air handler Diagram

Blower shell

Part #18393-04
Replaced by #1839304S
?
Manufacturer substitution
This part replaces 18393-04. Substitute parts can look different from the original.
In Stock
$71.72
Furnace Heating Element Assembly#7

Air handler Diagram

Heating elem

Part #B10374-67
Replaced by #B1037485S
?
Manufacturer substitution
This part replaces B10374-67. Substitute parts can look different from the original.
In Stock
$78.29 | 
10% OFF 
Was: $86.99
Flowrator W/#20A

Air handler Diagram

Flowrator w/

Part #B13136-80
In Stock
$10.99
Terminal Blo#13B

Air handler Diagram

Terminal blo

Part #B13682-50
This item is not returnable
In Stock
$5.49
Furnace Temperature Limit Switch#10

Air handler Diagram

In Stock
$11.94
Furnace Heat Sequencer#9C

Air handler Diagram

Furnace heat sequencer

Part #B12565-54
In Stock
$51.35
Upper Tie Pl#4

Air handler Diagram

Upper tie pl

Part #17219-08
In Stock
$8.99
Ground Lug S#1

Air handler Diagram

Ground lug s

Part #B13785-33
This item is not returnable
In Stock
$2.16

Articles and videos common to all air handlers

August 5, 2022

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

Lyle Weischwill

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