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 # R51 Official Whirlpool air conditioner heat pump

Here are the diagrams and repair parts for Official Whirlpool R51 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 154 parts  |
Cement 279368
#10

Optional diagram

Cement

Part #279368

Replaced by #WP279368

?
Manufacturer substitution
This part replaces 279368. Substitute parts can look different from the original.
BEST SELLER
$42.72 | 
12% OFF Phone Price : $48.72
In Stock
Valve Kit 978025
#6B

Optional 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
#6C

Optional 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
Sealer 212643
#12

Optional diagram

Sealer

Part #212643

Replaced by #212643

?
Manufacturer substitution
This part replaces 212643. Substitute parts can look different from the original.
This item is not returnable
$50.09 | 
11% OFF Phone Price : $56.09
In Stock
Capacitor 470168
#20

Installation 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
#6G

Optional 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 949090
#14

Cabinet diagram

Seal

Part #949090

Replaced by #WP854334

?
Manufacturer substitution
This part replaces 949090. Substitute parts can look different from the original.
$9.99 | 
9% OFF Phone Price : $10.99
In Stock
Spacer 646318
#33

Cabinet diagram

Spacer

Part #646318

Replaced by #WP854334

?
Manufacturer substitution
This part replaces 646318. Substitute parts can look different from the original.
$9.99 | 
9% OFF Phone Price : $10.99
In Stock
Screw 488017
#13

Installation diagram

Screw

Part #488017

Replaced by #WP965173

?
Manufacturer substitution
This part replaces 488017. Substitute parts can look different from the original.
This item is not returnable
$5.85
In Stock
Seal Strip 1158850
#32

Air flow and control diagram

Seal strip

Part #1158850

Replaced by #WP854334

?
Manufacturer substitution
This part replaces 1158850. Substitute parts can look different from the original.
$9.99 | 
9% OFF Phone Price : $10.99
In Stock

Repair guides for canister vacuums

How to replace a vacuum suction motor

How to replace a vacuum suction motor

The suction motor on a vacuum creates the draw of air at the cleaning head that picks up dirt. If the vacuum won't run, …

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace a vacuum power head ribbed drive belt

How to replace a vacuum power head ribbed drive belt

Some canister vacuums have a ribbed drive belt that spins the brush roll on a power brush attachment. If the brush roll …

Read more
Repair difficulty
Time required
 30 minutes or less
How to replace a vacuum power head cogged drive belt

How to replace a vacuum power head cogged drive belt

If the power brush isn't working well because the cogged drive belt is slipping, take a few minutes to replace the belt.…

Read more
Repair difficulty
Time required
 15 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