Carrier
Central Air Conditioner

Model # 38TKB018 SERIES300 Official Carrier condensing unit

Here are the diagrams and repair parts for Official Carrier 38TKB018-SERIES300 condensing unit, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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ALL PARTS
Showing 10 of 55 parts  |

Contactor HN51KB024
#25

Control asy diagram

Contactor

Part #HN51KB024

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

Central Air Conditioner Capacitor Strap 317739-302
#29

Control asy diagram

Central air conditioner capacitor strap

Part #317739-302

In Stock
Solenoid Valve EF11JE121
#NI

Outside view 1 diagram

Solenoid valve

Part #EF11JE121

In Stock
Lug HY90AZ009
#38

Control asy diagram

Lug

Part #HY90AZ009

In Stock
Fan Prop LA01EA026
#41

Fan asy diagram

Fan prop

Part #LA01EA026

In Stock
Valve EC39DM061
#NI

Outside view 1 diagram

Valve

Part #EC39DM061

This item is not returnable
In Stock
Outer Grille 312210-702137
#2

Outside view 2 diagram

Outer grille

Part #312210-702137

In Stock
Relay HN67ZZ001
#58A

Accessories diagram

Relay

Part #HN67ZZ001

In Stock
Sw Temp Ac HH18HA285
#NI

Outside view 1 diagram

Sw temp ac

Part #HH18HA285

In Stock
Coil 321692-7024
#45

Compressor asy diagram

Coil

Part #321692-7024

In Stock

Symptoms for gas walk-behind mowers

Choose a symptom to see related walk-behind mower repairs.

Main causes: engine needs tune up, dirty or clogged carburetor, damaged flywheel key…

Main causes: uneven wheel height settings, damaged wheel, dull or damaged cutting blade…

Main causes: damaged cutting blade, loose cutting blade, damaged flywheel key, engine needs tune up…

Main causes: stale gas, engine needs tune up, bad spark plug, dead battery, bad recoil starter, faulty safety switch, ba…

Main causes: dirty carburetor, bad spark plug, clogged air filter, engine choke problems, clogged gas cap vent…

Main causes: drive control cable failure, worn or broken drive belt, bad transmission, broken drive wheel…

Repair guides for gas walk-behind mowers

These step-by-step repair guides will help you safely fix what’s broken on your walk-behind lawn mower.

How to replace a lawn mower spark plug

How to replace a lawn mower spark plug

Take a few minutes to replace the spark plug during your lawn mower's annual tune-up or if the spark plug is burnt or cr…

Repair difficulty
Time required
 15 minutes or less
How to replace a lawn mower blade

How to replace a lawn mower blade

Check your lawn mower blade regularly and replaced it if it's bent or damaged. …

Repair difficulty
Time required
 15 minutes or less
How to replace a lawn mower flywheel key on a flathead engine

How to replace a lawn mower flywheel key on a flathead engine

When you hit a hard object with your mower, the flywheel can shear to protect more expensive components. Learn how to re…

Repair difficulty
Time required
 45 minutes or less

Effective articles & videos to help repair your central air conditioners

Use the advice and tips in these articles and videos to get the most out of your walk-behind lawn mower.

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.…