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Hotpoint
Dishwasher

Model # HDA3420Z01BB Official Hotpoint dishwasher

Here are the diagrams and repair parts for Official Hotpoint HDA3420Z01BB dishwasher, as well as links to manuals and error code tables, if available.

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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 71 parts  |
Mechanism Assembly WD26X10003
#310

Motor-pump mechanism diagram

Mechanism assembly

Part #WD26X10003

Replaced by #WD26X10013

?
Manufacturer substitution
This part replaces WD26X10003. Substitute parts can look different from the original.
BEST SELLER
$148.24
| 
9% OFF Was : $162.37
In Stock
Sump Clamp WD01X1392
#452

Motor-pump mechanism diagram

Sump clamp

Part #WD01X1392

Replaced by #WD1X1392

?
Manufacturer substitution
This part replaces WD01X1392. Substitute parts can look different from the original.
$25.72
| 
19% OFF Phone Price : $31.72
In Stock
Detergent Cup Cover WD16X0297
#822

Escutcheon & door assembly diagram

Detergent cup cover

Part #WD16X0297

Replaced by #WD16X297

?
Manufacturer substitution
This part replaces WD16X0297. Substitute parts can look different from the original.
This item is not returnable
$9.89
| 
9% OFF Phone Price : $10.89
In Stock
Spring Set WD03X0721
#553

Motor-pump mechanism diagram

Spring set

Part #WD03X0721

Replaced by #WD3X721

?
Manufacturer substitution
This part replaces WD03X0721. Substitute parts can look different from the original.
$35.56
| 
14% OFF Phone Price : $41.56
In Stock
Switch WD21X0479
#490

Body parts diagram

Switch

Part #WD21X0479

Replaced by #WD21X479

?
Manufacturer substitution
This part replaces WD21X0479. Substitute parts can look different from the original.
$64.37
| 
9% OFF Phone Price : $70.37
In Stock
Lever WD12X0324
#861

Escutcheon & door assembly diagram

Lever

Part #WD12X0324

Replaced by #WD12X324

?
Manufacturer substitution
This part replaces WD12X0324. Substitute parts can look different from the original.
This item is not returnable
$14.49
| 
12% OFF Phone Price : $16.49
In Stock
Dishwasher Spray Arm (replaces Wd22x10006, Wd22x10007) WD22X10008
#501

Motor-pump mechanism diagram

Dishwasher spray arm (replaces wd22x10006, wd22x10007)

Part #WD22X10008

$37.29
| 
14% OFF Phone Price : $43.29
In Stock
Dishwasher Spray Tower Diverter Cap WD28X10007
#622

Body parts diagram

Dishwasher spray tower diverter cap

Part #WD28X10007

This item is not returnable
$5.84
| 
15% OFF Phone Price : $6.84
In Stock
Insulation Housing WD01X1459
Insulation housing

Part #WD01X1459

Replaced by #WD1X1459

?
Manufacturer substitution
This part replaces WD01X1459. Substitute parts can look different from the original.
$7.69
| 
12% OFF Phone Price : $8.69
In Stock
Screw WD02X0323
#758

Escutcheon & door assembly diagram

Screw

Part #WD02X0323

Replaced by #WD2X323D

?
Manufacturer substitution
This part replaces WD02X0323. Substitute parts can look different from the original.
$23.40
In Stock

Most common symptoms to help you fix your dishwashers

Choose a symptom to see related dishwasher repairs.

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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 drain?

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

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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 can't I adjust the dishwasher rack height?

Main cause: damaged rack height adjuster...

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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 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 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 does my dishwasher stop mid-cycle?

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

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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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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 heating element

How to replace a dishwasher heating element

Dishes not drying as fast as they should? The dishwasher heating element could be on the fritz. Here's how to install a ...

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Repair difficulty
Time required
45 minutes or less
How to replace a dishwasher high-limit thermostat

How to replace a dishwasher high-limit thermostat

Follow these steps to replace the high-limit thermostat in your dishwasher if prevents the heating element from heating....

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Repair difficulty
Time required
30 minutes or less
How to replace a dishwasher diverter motor

How to replace a dishwasher diverter motor

Upper spray arms not getting water? The diverter motor could be broken. Use this guide to replace it....

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Repair difficulty
Time required
30 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

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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Top questions about Sears and Sears PartsDirect

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