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

  • Keep track of the models you own in your profile

    Sign in or Register to view or add models

Schedule a repair
Hotpoint
Dishwasher

Model # HDA780-03FK Official Hotpoint dishwasher

Here are the diagrams and repair parts for Official Hotpoint HDA780-03FK dishwasher, 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.

Error Codes

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 175 parts  |
Asm Mech WD26X74
#423

Dishwasher mechanism diagram

Asm mech

Part #WD26X74

Replaced by #WD26X10013

?
Manufacturer substitution
This part replaces WD26X74. Substitute parts can look different from the original.
BEST SELLER
$162.37 | 
6% OFF Phone Price : $172.37
In Stock
Dishwasher Gate Shaft Seal (replaces Wd08x0181) WD8X181
#416

Dishwasher mechanism diagram

Dishwasher gate shaft seal (replaces wd08x0181)

Part #WD8X181

This item is not returnable
$20.56 | 
20% OFF Phone Price : $25.56
In Stock
Valve Water Inlet WD15X78
#1209

Dishwasher assembly diagram

Valve water inlet

Part #WD15X78

Replaced by #WD15X93

?
Manufacturer substitution
This part replaces WD15X78. Substitute parts can look different from the original.
$29.30 | 
15% OFF Phone Price : $34.30
In Stock
Sump Clamp WD1X1319
#452

Dishwasher mechanism diagram

Sump clamp

Part #WD1X1319

Replaced by #WD1X1392

?
Manufacturer substitution
This part replaces WD1X1319. Substitute parts can look different from the original.
$25.72 | 
16% OFF Phone Price : $30.72
In Stock
Dishwasher Actuator Spring Set WD3X721
#553

Dishwasher mechanism diagram

Dishwasher actuator spring set

Part #WD3X721

$35.56 | 
12% OFF Phone Price : $40.56
In Stock
Solenoid Kit WD21X440
#425B

Dishwasher mechanism diagram

Solenoid kit

Part #WD21X440

Replaced by #WD21X802

?
Manufacturer substitution
This part replaces WD21X440. Substitute parts can look different from the original.
$64.87 | 
7% OFF Phone Price : $69.87
In Stock
Impeller Kit WD17X57
#421

Dishwasher mechanism diagram

Impeller kit

Part #WD17X57

Replaced by #WD19X10032

?
Manufacturer substitution
This part replaces WD17X57. Substitute parts can look different from the original.
$43.99 | 
10% OFF Phone Price : $48.99
In Stock
Clamp WD1X987
#457

Dishwasher mechanism diagram

Clamp

Part #WD1X987

Replaced by #WD1X1376

?
Manufacturer substitution
This part replaces WD1X987. Substitute parts can look different from the original.
$15.47 | 
11% OFF Phone Price : $17.47
In Stock
Retainer WD3X487
#413

Dishwasher mechanism diagram

Retainer

Part #WD3X487

Replaced by #WD3X487D

?
Manufacturer substitution
This part replaces WD3X487. Substitute parts can look different from the original.
$51.24 | 
9% OFF Phone Price : $56.24
In Stock
Screw, 2-pack WZ4X44

#NI

All parts diagram

Screw, 2-pack

Part #WZ4X44

Replaced by #WZ4X44D

?
Manufacturer substitution
This part replaces WZ4X44. Substitute parts can look different from the original.
$28.07 | 
15% OFF Phone Price : $33.07
In Stock

Most common symptoms to help you fix your dishwashers

Choose a symptom to see related dishwasher repairs.

View all

Why does my dishwasher door drop open too fast?

Main causes: broken door spring, damaged or broken door hinge…

Read more

Why is my dishwasher leaking?

Main causes: damaged or stuck spray arm, leaking door seal, damaged door hinge, leaky heating element water seal, cracke…

Read more

Why does my dishwasher stop mid-cycle?

Main causes: broken door latch, tripped circuit breaker, broken heating element, faulty vent fan, sensor failure, contro…

Read more

Why isn't my dishwasher getting dishes clean?

Main causes: improper loading, low water temperature, improper detergent dosage, detergent dispenser failure, spray arm …

Read more

Why won't my dishwasher drain?

Main causes: clogged kitchen sink drain, clogged drain hose, drain check valve damaged, drain pump failure, control syst…

Read more

Why can't I adjust the dishwasher rack height?

Main cause: damaged rack height adjuster…

Read more

Why is my dishwasher noisy?

Main causes: glass or popcorn kernel stuck in the chopper blade, drain line vibrating against the cabinet, debris in was…

Read more

Why don't my dishes get dry?

Main causes: not using rinse aid, rinse aid dispenser failure, broken heating element, malfunctioning vent, drying fan f…

Read more

Why won't my dishwasher start?

Main causes: light switch beside the sink turned off, lack of power, bad dishwasher door switch, control system failure,…

Read more

Most common repair guides to help fix your dishwashers

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

View all
How to replace a dishwasher door latch assembly

How to replace a dishwasher door latch assembly

If the dishwasher door doesn't click shut, a broken door latch is a likely cause. Follow these instructions to replace i…

Read more
Repair difficulty
Time required
 30 minutes or less
How to replace a dishwasher user interface control

How to replace a dishwasher user interface control

The user interface control houses the selection buttons and display. If it fails, you can't select the cycle and setting…

Read more
Repair difficulty
Time required
 30 minutes or less
How to replace a dishwasher thermal fuse

How to replace a dishwasher thermal fuse

A completely dead control panel often indicates that the thermal fuse on the electronic control board is blown; follow t…

Read more
Repair difficulty
Time required
 15 minutes or less

Effective articles & videos to help repair your dishwashers

Use the advice and tips in these articles and videos to get the most out of your dishwasher.

View all
How to use your dishwasher efficiently

How to use your dishwasher efficiently

Get expert tips on using your dishwasher efficiently to save water and energy.…

Read more
How to clean and maintain your dishwasher

How to clean and maintain your dishwasher

Get tips for cleaning and maintaining your dishwasher…

Read more
Dishwasher has power but won't run? Could be demo mode

Dishwasher has power but won't run? Could be demo mode

This list shows how to disable the demo mode on a variety of dishwashers.…

Read more

Parts & More