Carrier
Central Air Conditioner

Model # 38TRA042 SERIES300 Official Carrier condensing unit

Here are the diagrams and repair parts for Official Carrier 38TRA042-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 46 parts  |

Contactor HN51KB024
#31

Fan/control asy diagram

Contactor

Part #HN51KB024

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

Trim 320245-401
#8

Outside view 1 diagram

Trim

Part #320245-401

In Stock
Central Air Conditioner Start Capacitor (replaces Hc95de088, P281-8805) P281-8806
#NI

Outside view 1 diagram

Central air conditioner start capacitor (replaces hc95de088, p281-8805)

Part #P281-8806

In Stock
Paint 313974-755
#NI

Outside view 1 diagram

Paint

Part #313974-755

In Stock
Paint 313974-751
#NI

Outside view 1 diagram

Paint

Part #313974-751

In Stock
Paint 313974-752
#NI

Outside view 1 diagram

Paint

Part #313974-752

In Stock
Fan LA01EA025
#51

Fan/control asy diagram

Fan

Part #LA01EA025

In Stock
Pressuresta HK02ZB028
#NI

Outside view 1 diagram

Pressuresta

Part #HK02ZB028

In Stock
Valve Cap EN99ZF028
#51A

Outside view 2 diagram

Valve cap

Part #EN99ZF028

In Stock
Capacitor P291-3574RS
#32

Fan/control asy diagram

Capacitor

Part #P291-3574RS

In Stock

Symptoms for table saws

Choose a symptom to see related table saw repairs.

Main causes: worn motor brushes, faulty drive motor, using an improper extension cord…

Main causes: lack of power, broken on/off switch, bad motor overload, broken power cord, bad drive motor…

Main causes: saw dust build up, blade elevating and tilting mechanisms need lubrication…

Main causes: blade alignment needs adjustment, worn blade, bevel positive stops need adjustments, bevel pointer needs ad…

Main causes: worn motor brushes, bad drive motor, faulty overload switch, using an improper extension cord, binding saw …

Main causes: dirty saw blade, dull or damaged saw blade, blade alignment needs adjustment…

Repair guides for table saws

These step-by-step repair guides will help you safely fix what’s broken on your table saw.

How to adjust a table saw blade

How to adjust a table saw blade

If the table saw isn’t cutting parallel to the miter gauge groove, adjust the cutting blade following the instructions i…

Repair difficulty
Time required
 30 minutes or less
How to replace a table saw drive motor

How to replace a table saw drive motor

You can replace a table saw drive motor that is weak or won't run. Here’s how.…

Repair difficulty
Time required
 45 minutes or less
How to replace a table saw blade

How to replace a table saw blade

If the table saw blade is dull or damaged, use these simple steps to replace it.…

Repair difficulty
Time required
 15 minutes or less

Effective articles & videos to help repair your central air conditioners

Use the advice and tips in these articles to get the most out of your table saw.

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.…