Model # FC4DNB042000AAAA Official Carrier air handler

Here are the diagrams and repair parts for Official Carrier FC4DNB042000AAAA air handler, 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

ALL PARTS

Showing 10 of 165 parts |

#NI

Cabinet parts diagram

Latch

Part #314875-201

This item is not returnable

$2.16

In Stock

Qty

Central Air Conditioner Air Handler Fan Control Board HK61EA010

#38

Base/blower assy diagram

Central air conditioner air handler fan control board

Part #HK61EA010

$118.63 |

9% OFF Phone Price : $130.63

In Stock

Qty

Furnace air filter, 19-3/4 x 21-1/2 x 1-in (replaces 317659-403)

Part #KFAFK0312LRG

$65.79 |

8% OFF Phone Price : $71.79

In Stock

Qty

Central Air Conditioner Air Handler Transformer (replaces Ht01bd208) HT01CN241

#39

Base/blower assy diagram

Central air conditioner air handler transformer (replaces ht01bd208)

Part #HT01CN241

$104.52

In Stock

Qty

#NI

Cabinet parts diagram

Diode board

Part #HK61EA003

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

Central Air Conditioner Air Handler Blower Motor Relay (replaces Hn61pc003) HN61PC002

#NI

Cabinet parts diagram

Central air conditioner air handler blower motor relay (replaces hn61pc003)

Part #HN61PC002

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

#10

Cabinet parts diagram

Filter

Part #317659-403

Replaced by #KFAFK0312LRG

$65.79 |

8% OFF Phone Price : $71.79

In Stock

Qty

#NI

Cabinet parts diagram

Ckt brkr

Part #HH83XD261

$186.67 |

6% OFF Phone Price : $198.67

In Stock

Qty

#40

Cabinet parts diagram

Connector

Part #HY90AZ021

This item is not returnable

$6.40

In Stock

Qty

#NI

Cabinet parts diagram

Arm & grom

Part #330426-405

$15.94

In Stock

Qty

Repair guides for side-by-side refrigerators

How to replace a foamed-in-place door gasket in a side-by-side refrigerator

The door gasket seals the gap around the door to keep the cold air in and the warm air out. Replace a worn or damaged do…

Repair difficulty

Time required

30 minutes or less

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 a defrost sensor in a side-by-side refrigerator

If frost is building up in the freezer of your side-by-side refrigerator, the defrost sensor could be at fault. You can …

Repair difficulty

Time required

45 minutes or less

Effective articles & videos to help repair your air handlers

View all

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.…

Model # FC4DNB042000AAAA Official Carrier air handler

Model diagram and schematic

SEARCH WITHIN THIS MODEL

Repair guides for side-by-side refrigerators

How to replace a foamed-in-place door gasket in a side-by-side refrigerator

How to replace a refrigerator water valve

How to replace a defrost sensor in a side-by-side refrigerator

Effective articles & videos to help repair your air handlers

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

Parts & More

Stay Connected

Quick links

Let us help you

More resources