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  |

Screw 487895
#5

Air flow and control parts diagram

Screw

Part #487895

Replaced by #WP488729

?
Manufacturer substitution
This part replaces 487895. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$4.39
19% OFF Phone Price : $5.39
In Stock
Screw 977894
#12

Air flow and control parts diagram

Screw

Part #977894

Replaced by #WP488729

?
Manufacturer substitution
This part replaces 977894. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$4.39
19% OFF Phone Price : $5.39
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.
BEST SELLER
This item is not returnable
$4.39
19% OFF Phone Price : $5.39
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
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
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
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
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
Washer 487603
Washer

Part #487603

Replaced by #90315

?
Manufacturer substitution
This part replaces 487603. Substitute parts can look different from the original.
This item is not returnable
In Stock

Symptoms for gas leaf blowers

Choose a symptom to see related leaf blower repairs.

Main causes: damaged fan blade, engine needs a tune up, dirty carburetor…

Main causes: mixing too much 2-cycle oil with the gas, dirty air filter, clogged carburetor, engine needs tune up…

Main causes: cracked fuel lines, leaky carburetor seals, damaged fuel tank cap, cracked fuel tank…

Main causes: stale fuel, dirty air filter, bad spark plug, cracked fuel lines, clogged carburetor…

Main causes: bad gas, clogged air filter, cracked fuel lines, clogged fuel filter, dirty carburetor, bad spark plug, wor…

Repair guides for gas leaf blowers

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

How to rebuild a leaf blower carburetor

How to rebuild a leaf blower carburetor

If the leaf blower engine won't start even though there's fuel in the tank, the carburetor could be the problem. Follow …

Repair difficulty
Time required
 60 minutes or less
How to replace a leaf blower carburetor

How to replace a leaf blower carburetor

The carburetor could be the problem If the leaf blower engine won't start even though there's fuel in the tank. Follow t…

Repair difficulty
Time required
 15 minutes or less
How to replace leaf blower fuel lines

How to replace leaf blower fuel lines

Leaf blower fuel lines deteriorate with time and eventually can split or crack. You can remove and replace them yourself…

Repair difficulty
Time required
 60 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 leaf blower.

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.…