Can’t find your part?   Contact us:
+1-309-603-4777
Sears Parts Direct
Orders

  • Keep track of the models you own in your profile

    Sign in or Register to view or add models

Schedule a repair
Whirlpool
Central Air Conditioner

Model # AHFS8521 Official Whirlpool air conditioner heat pump

Here are the diagrams and repair parts for Official Whirlpool AHFS8521 air conditioner heat pump, 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 110 parts  |
Cement 797403
#29E

Air flow and control parts diagram

Cement

Part #797403

Replaced by #WP279368

?
Manufacturer substitution
This part replaces 797403. Substitute parts can look different from the original.
BEST SELLER
$42.72 | 
12% OFF Phone Price : $48.72
In Stock
Valve Kit 978025
#28B

Unit parts diagram

Valve kit

Part #978025

Replaced by #WP978025

?
Manufacturer substitution
This part replaces 978025. Substitute parts can look different from the original.
$29.51 | 
17% OFF Phone Price : $35.51
In Stock
Valve Kit 978026
#28C

Unit parts diagram

Valve kit

Part #978026

Replaced by #978026

?
Manufacturer substitution
This part replaces 978026. Substitute parts can look different from the original.
$34.19 | 
15% OFF Phone Price : $40.19
In Stock
Capacitor 470168
#29D

Air flow and control parts diagram

Capacitor

Part #470168

Replaced by #212643

?
Manufacturer substitution
This part replaces 470168. Substitute parts can look different from the original.
This item is not returnable
$50.09 | 
11% OFF Phone Price : $56.09
In Stock
Valve Kit 978030
#28G

Unit parts diagram

Valve kit

Part #978030

Replaced by #978030

?
Manufacturer substitution
This part replaces 978030. Substitute parts can look different from the original.
$40.49 | 
13% OFF Phone Price : $46.49
In Stock
Seal 977998
#1

Accessory kit parts diagram

Seal

Part #977998

Replaced by #WP854334

?
Manufacturer substitution
This part replaces 977998. Substitute parts can look different from the original.
$9.99 | 
9% OFF Phone Price : $10.99
In Stock
Screw 487358
Screw

Part #487358

Replaced by #WP965173

?
Manufacturer substitution
This part replaces 487358. Substitute parts can look different from the original.
This item is not returnable
$5.85
In Stock
Screw 977997
#16

Cabinet parts diagram

Screw

Part #977997

Replaced by #WP488729

?
Manufacturer substitution
This part replaces 977997. Substitute parts can look different from the original.
This item is not returnable
$4.39 | 
19% OFF Phone Price : $5.39
In Stock
Refrigerant Access Valve, 5/8-in 978029
#28F

Unit parts diagram

Refrigerant access valve, 5/8-in

Part #978029

Replaced by #978029

?
Manufacturer substitution
This part replaces 978029. Substitute parts can look different from the original.
$41.18
In Stock
Valve Kit 978027
#28D

Unit parts diagram

Valve kit

Part #978027

Replaced by #978027

?
Manufacturer substitution
This part replaces 978027. Substitute parts can look different from the original.
$38.69 | 
13% OFF Phone Price : $44.69
In Stock

Repair guides for chest freezers

How to replace a freezer compressor start relay

How to replace a freezer compressor start relay

The compressor start relay starts the compressor. If the compressor won’t start, follow these steps to replace a defect…

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace a freezer temperature control thermostat

How to replace a freezer temperature control thermostat

The cold control thermostat regulates the freezer temperature. A defective cold control thermostat can prevent the compr…

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace a freezer lid gasket

How to replace a freezer lid gasket

The lid gasket prevents air and moisture from entering the freezer when the lid is closed. Follow these steps to replace…

Read more
Repair difficulty
Time required
 30 minutes or less

Effective articles & videos to help repair your central air conditioners

View all
Maintaining your air conditioner

Maintaining your air conditioner

Learn how to maintain your central air conditioner to keep it running smoothly all summer long.…

Read more
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…

Read more
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.…

Read more

Parts & More