Carrier
Central Air Conditioner

Model # 38TZA042 SERIES300 Official Carrier condensing unit

Here are the diagrams and repair parts for Official Carrier 38TZA042-SERIES300 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 50 parts  |

Contactor HN51KB024
#27

Control box diagram

Contactor

Part #HN51KB024

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

Central Air Conditioner Condenser Fan Motor (replaces Hc376e210a) HC37GE210
#43

Control box diagram

Central air conditioner condenser fan motor (replaces hc376e210a)

Part #HC37GE210

In Stock
Fan LA01EA025
#42

Control box diagram

Fan

Part #LA01EA025

In Stock
Cover 320038-701137
#2

Outlet grille/top cover diagram

Cover

Part #320038-701137

In Stock
Paint 313974-755
#NI

Outlet grille/top cover diagram

Paint

Part #313974-755

In Stock
Paint 313974-751
#NI

Outlet grille/top cover diagram

Paint

Part #313974-751

In Stock
Strap Cap 317739-303
#29

Control box diagram

Strap cap

Part #317739-303

In Stock
Central Air Conditioner Condenser Cabinet Corner Post 312223-707138
#4

Inlet grille/service panel diagram

Central air conditioner condenser cabinet corner post

Part #312223-707138

In Stock
Switch HK02ZB056
#40

Compressor/condenser diagram

Switch

Part #HK02ZB056

In Stock
Oiler P903-1625
#17A

Compressor/condenser diagram

Oiler

Part #P903-1625

In Stock

Symptoms for electric cooktops

Main causes: broken surface element, surface element switch failure, control system problem, surface element limiter swi…

Repair guides for electric cooktops

How to replace a coil surface element on an electric cooktop

How to replace a coil surface element on an electric cooktop

Easily replace a coil surface element in 15 minutes or less by following these step-by-step instructions.…

Repair difficulty
Time required
 15 minutes or less
How to replace the glass top on an electric cooktop

How to replace the glass top on an electric cooktop

Don't use a cracked or damage glass cooktop—replace it, using these instructions to guide you.…

Repair difficulty
Time required
 30 minutes or less
How to replace a radiant element on an electric cooktop

How to replace a radiant element on an electric cooktop

Follow these step-by-step instructions to replace a damaged radiant element on your electric cooktop when the element wo…

Repair difficulty
Time required
 45 minutes or less

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.…