What Does a Dishwasher Spray Arm Do?
Spray arms distribute wash water around the dishwasher. If they clog, split, or stop rotating freely, cleaning performance drops quickly.
Get a Confirmed Fit spare part
At Spares2Repair, when a spare part is matched to your exact model number we call that Confirmed Fit. Because spare parts can vary across production runs, sizes, and revisions, Confirmed Fit is the safest route to reduce wrong-part orders and buy with more confidence.
Option 1Search by full model numberEnter the full model number in the search box above to reach the most accurate spare-part route for your appliance and check for Confirmed Fit.
Option 2Use Fixit Fox FinderUpload a photo of the rating plate, describe the appliance, or get guided help if the model number is hard to read before you order.Option 3Browse spare partsBrowse the main spare-parts category for this appliance, then confirm compatibility by model number before checkout.Start with the search box whenever you have the full model number. Use Fixit Fox Finder if the rating plate is hard to read or you want guided help before ordering. Ordering by appearance alone is more likely to lead to the wrong part.
Browse Dishwasher spare partsWhat Confirmed Fit meansContact customer service
Before you order, use Confirmed Fit
For advice and repair topics like this one, the biggest buying mistake is ordering on appearance alone. Search by the exact model number wherever possible, because small appliance revisions can use different seals, filters, motors, pumps, lamps, shelves, or trims.
Step 1Find the full model numberUse the rating plate, product label, or model-number guide before comparing part photos or sizes.Step 2Understand Confirmed FitUse the full model code, not a short range name, because revisions and production runs can use different parts.Step 3Browse Dishwasher spare partsMove from advice into the relevant category page, then confirm compatibility by model number before buying.
At a Glance
- Explains what the part does, common failure symptoms, and how to choose the correct replacement.
- Useful before ordering so you can rule out the wrong fault and avoid compatibility mistakes.
- Model matching matters because many appliances use visually similar parts with different ratings, connectors, or fittings.
What This Part Does
- They spin using water pressure and direct jets across dishes and the cavity.
- Upper and lower arms often handle different zones and load patterns.
- Blocked jets or cracks can weaken wash coverage.
Common Signs of Failure
- Dishes stay dirty in one basket area.
- White residue or food remains despite correct detergent use.
- Spray arm does not rotate freely.
- Water jets appear weak or uneven.
How to Choose the Correct Replacement
- Match the arm to the exact model and basket level.
- Check mounting clips and feed tubes at the same time.
- Clean jets before replacing, because blockage can mimic failure.
FAQ
What Does a Dishwasher Spray Arm Do?
Spray arms distribute wash water around the dishwasher. If they clog, split, or stop rotating freely, cleaning performance drops quickly.
Why should I match this dishwasher part by model number?
Use the full model number exactly as shown on the rating plate. When Spares2Repair matches that model to a compatible part we call it Confirmed Fit. Similar-looking parts can differ across revisions, production runs, and variants, so model matching is the safest route before ordering.
When is this part commonly replaced?
Replace it when the symptom, physical damage, or wear pattern matches the part description and the model number confirms a compatible fit for your exact appliance.