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Hotpoint
Dishwasher

Model # HDA780-05 Official Hotpoint dishwasher

Here are the diagrams and repair parts for Official Hotpoint HDA780-05 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:

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  • 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”.

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For DIY troubleshooting advice and repair guides, visit our repair help section.

Error Codes

Model diagram and schematic

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ALL PARTS
Showing 10 of 240 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
$148.24 | 
9% OFF Was : $162.37
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.
BEST SELLER
$29.30 | 
17% OFF Phone Price : $35.30
In Stock
Dishwasher Gate Shaft Seal (replaces Wd08x0181) WD8X181
#416

Dishwasher mechanism diagram

Dishwasher gate shaft seal (replaces wd08x0181)

Part #WD8X181

BEST SELLER
This item is not returnable
$21.47 | 
22% OFF Phone Price : $27.47
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 | 
8% OFF Phone Price : $70.87
In Stock
Univ Clamp WD1X486
#572A

Dishwasher assembly diagram

Univ clamp

Part #WD1X486

Replaced by #WH1X2036

?
Manufacturer substitution
This part replaces WD1X486. Substitute parts can look different from the original.
$11.59 | 
15% OFF Phone Price : $13.59
In Stock
Hose Clamp WH1X2036
Hose clamp

Part #WH1X2036

Replaced by #WH1X2036

?
Manufacturer substitution
This part replaces WH1X2036. Substitute parts can look different from the original.
$11.59 | 
15% OFF Phone Price : $13.59
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.
$17.22 | 
66% OFF Was : $51.24
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 | 
18% OFF Phone Price : $34.07
In Stock
Trim, Left WD34X5213
#90A

Dishwasher assembly diagram

Trim, left

Part #WD34X5213

$24.49
In Stock

Most common symptoms to help you fix your dishwashers

Choose a symptom to see related dishwasher repairs.

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Why does my dishwasher door drop open too fast?

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

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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…

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Why won't my dishwasher fill?

Main causes: water supply problem, stuck overfill float, clogged water inlet valve screen, water inlet valve failure…

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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,…

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Why isn't my dishwasher getting dishes clean?

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

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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…

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Why won't my dishwasher drain?

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

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Why can't I adjust the dishwasher rack height?

Main cause: damaged rack height adjuster…

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Why is my dishwasher leaking?

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

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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.

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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…

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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…

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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…

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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.

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5 Holiday Cleaning Tasks Essential to Boosting Your Home’s Image

Get tips on completing essential holiday cleaning tasks to brighten your home.…

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How to enjoy all the online benefits we offer on our Sears PartsDirect website

Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier.…

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