Dishwasher Not Washing? Pump and Motor Assembly W10902589 – Fix No Spray, Grinding Noise & Mid-Cycle Stops Fast
If your Whirlpool, Maytag, or KitchenAid dishwasher fills and drains normally but produces weak or no spray, makes grinding or whining noises, or stops mid-cycle, the pump and motor assembly is the most likely cause. In Whirlpool-platform dishwashers, the W10902589 circulation pump recirculates water from the sump through the spray arms at high pressure — when it fails, the wash cycle cannot function regardless of whether the machine fills and drains correctly. ⚡ One of the most common high-value failures in Whirlpool-built dishwashers. Part W10902589 is the genuine OEM replacement that restores full wash pressure and cycle performance immediately.
❓ Is This the Right Part?
This is the correct fix if ALL of the following are true:
- ✔ Dishwasher powers on and fills/drains normally
- ✔ Spray arms, filters, and sump have been checked and are clear of debris
- ✔ Diverter valve has been confirmed functional
- ✔ ONLY problem is no wash action, weak spray, grinding noise, or mid-cycle motor stop
Not sure? Send us your model number — we'll confirm before you order.
🔧 Common Symptoms
- Dishwasher fills and drains but produces no wash action — most common complaint
- Weak or no water pressure from upper or lower spray arms
- Grinding, whining, or loud humming noise during wash cycle
- Dishwasher stops mid-cycle — motor overheating or seized
- Dishes coming out dirty despite normal fill and drain
- Motor-related error codes displayed on control panel
✔ If these symptoms match, this is the most likely failed component in the system.
✔ In most cases, replacing the pump and motor assembly restores full wash performance immediately.
📦 Part Details
- Part Number: W10902589
- Type: Dishwasher circulation pump and motor assembly (base pump) — OEM direct fit
- Also Known As: Circulation Pump, Wash Pump Assembly, Base Pump
- Brands: Whirlpool, Maytag, KitchenAid, Kenmore
- Available As: New OEM or Used — select condition above
While the pump is out, inspect the door gasket, spray arm bearings, and sump seal for wear — these are common companion failures on high-mileage dishwashers. Replacing worn seals at the same time prevents water leaks after the pump repair and avoids a repeat disassembly.
⚙️ Installation
Skill Level: ADVANCED — 60–90 minutes. Turn off the circuit breaker and water supply before servicing — do not work on a live dishwasher. Remove the lower spray arm, filter assembly, and sump cover to access the pump. Disconnect the wiring harness and hose connections, noting all positions before removal. Install the new W10902589, reconnect all lines and wiring, and run a full test cycle to confirm wash pressure and no leaks before returning to service.
💡 Pro Tip
Weak wash performance is frequently caused by a clogged filter or blocked sump — not a failed pump. Before ordering W10902589, remove and clean the filter assembly and inspect the sump for glass, bone fragments, or debris jamming the impeller. A 5-minute cleaning often resolves the issue at zero cost. If the impeller spins freely and the motor still won't run, the pump assembly is the confirmed failure.
✅Compatibility & Cross Reference
Not sure about your model number? Call 1-877-899-7278 and we’ll help you confirm. All brand names are the property of their respective owners and are used for compatibility reference only.
Buy Online Pick Up In-Store
Kitchener, Ontario N2E 1W8
- Choosing a selection results in a full page refresh.
