Where to find part number on Whirlpool dishwasher?
On your Whirlpool dishwasher model DU930PWPS0, the key information you need is the model and serial number from the rating label (not a part number printed on the part). Use that label info to match the correct replacement parts for your exact dishwasher.
Where to look on the dishwasher
For DU930PWPS0, the model and serial number label is typically on the dishwasher frame around the door opening. Open the door fully and check:
- The left or right inner door frame
- The top edge of the tub opening
- The inner edge of the door itself
- A metal or white sticker/plate with printed numbers
Use the location diagram in the DU930PWPS0 owner's manual to confirm the exact spot for your unit.
What numbers to write down (and why)
When ordering parts, we use the complete model number and serial number to ensure the part fits and works correctly.
- Model number (example format: DU930PWPS0)
- Serial number (unique to your dishwasher)
- Purchase/installation date (helpful for service and compatibility)
Quick ID guide
| What you see | What it’s used for | Example |
|---|---|---|
| Model number | Picks the correct parts list | DU930PWPS0 |
| Serial number | Confirms production details | Varies |
| Part number on a component | Identifies a specific part | Varies |
If you’re trying to identify a specific part
Some components have a molded or stamped number, but it may be a manufacturing code and not the orderable replacement number. The most reliable approach is:
- Find the model/serial label first
- Look up the part by name in the parts list for DU930PWPS0
- Match by description and location (for example, door seal, latch, spray arm)
Common examples for this model include the dishwasher door latch WP3380854 and the dishwasher door seal WPW10509257.
Why it matters
Dishwasher parts often look similar across Whirlpool model series (like DU915 and DU930), but small design changes affect fit. Using the DU930PWPS0 model label prevents ordering the wrong door seal, spray arm, or pump component.
Last updated: February 2026
What are the commonly replaced parts in a dishwasher?
For Whirlpool dishwasher model DU930PWPS0, the most commonly replaced parts are the wash and drain components (spray arms, pump parts, seals), heating and fill parts (heater, inlet valve, float), and door parts (latch and door seal). These parts wear from heat, detergent, hard water, and normal use.
Common parts that get replaced most often
These are the items we see replaced frequently because they directly affect cleaning, filling, draining, and leak prevention:
- Door sealing and closing: Dishwasher door seal WPW10509257, dishwasher door latch WP3380854
- Water fill: inlet valve (controls water entering the tub), overfill protection float (helps prevent overfilling)
- Washing action: spray arms and spray arm hardware (keeps water moving and dishes clean)
- Heating and drying: heater and heater seals/washers
- Draining: drain hose and clamps (prevents leaks and helps the unit empty properly)
- Racks and rack hardware: rollers, wheels, slide rails, and baskets (breakage and wear from loading)
For a model-specific parts layout and component names (spray arms, heating element, float, detergent dispenser, filter module), use the DU930PWPS0 owner’s manual.
Quick symptom-to-part guide
| Symptom | Most likely part area | Example part for DU930PWPS0 |
|---|---|---|
| Leaks at the door | Door seal or latch alignment | WPW10509257, WP3380854 |
| Poor cleaning | Spray arm, filter/chopper, pump motor | WP8268874, 675806, W10428167 |
| Not filling | Inlet valve, float stuck | W10844024, WP3376397 |
| Not drying | Heater or heater seals | WPW10082896, WP717273 |
| Not draining | Drain hose, pump system restriction | WP3374077 |
Why it matters
Replacing the correct part restores performance and prevents secondary damage. For example, a worn door seal can cause leaks, and a stuck float can stop filling, which makes cycles run poorly or not complete.
Helpful checks before you order parts
We recommend these quick checks first because they often point to the right part:
- Confirm the water shut-off valve is fully open.
- Press the overfill protection float down and make sure it moves freely.
- Check that detergent is fresh and not clumped.
- Verify the bottom rack is installed correctly (misalignment can affect washing).
- Inspect spray arms for cracks and clogged holes.
Last updated: February 2026
What is the most common problem with Whirlpool dishwashers?
For Whirlpool dishwashers like model DU930PWPS0, the most common problems we see are drainage issues (water left in the tub) and poor cleaning (food residue left on dishes). These are usually caused by clogs, restricted water flow, or worn wash-system parts.
Most common issues and what typically causes them
- Not draining: clogged drain path, kinked drain hose, or a drain pump obstruction
- Not cleaning well: blocked spray arm holes, low water fill, or a weak wash motor
- Leaking at the door: worn or misaligned door seal
- Not drying: heater circuit issue, rinse aid problems, or short cycles
- Won’t start or stops mid-cycle: door latch not closing fully, control issue, or power interruption
Quick checks you can do first (no parts required)
- Cancel the cycle and restart using the steps in the DU930PWPS0 owner’s manual.
- Check the bottom of the tub for standing water and remove any visible debris.
- Spin the spray arms by hand; they should turn freely and not hit dishes.
- Confirm the sink drain and garbage disposer are clear (a blocked sink drain can back up the dishwasher).
- Run hot water at the sink for 30 to 60 seconds before starting a cycle to improve wash performance.
Parts that commonly fix these symptoms on DU930PWPS0
If the quick checks do not help, these model-matched parts are common solutions:
| Symptom | Common fix | Example model-matched part |
|---|---|---|
| Leaks at the door | Replace door seal | Dishwasher door seal WPW10509257 |
| Poor spray or debris left behind | Clear/replace spray arm hardware | Dishwasher spray arm WP8268874 |
| Won’t start consistently | Replace door latch | Dishwasher door latch WP3380854 |
| Not draining or slow drain | Inspect/replace drain hose | Dishwasher drain hose WP3374077 |
Why it matters
Drain and wash problems often start as simple restrictions (food, labels, broken glass). Fixing them early helps prevent pump strain, repeat clogs, and leaks that can damage the tub area and flooring.
Last updated: February 2026





