Whirlpool or KitchenAid Dishwasher Not Draining or Leaking Under the Sink? Drain Hose WPW10358302 – Stop Drainage Problems Fast
A Whirlpool or KitchenAid dishwasher that leaves standing water at the end of a cycle, leaks under the sink, or shows a drain error almost always has a cracked, kinked, or disconnected drain hose. In most Whirlpool-built dishwashers, the drain hose is the only path for dirty water to exit the tub — it runs from the drain pump to the sink drain or garbage disposal. When the hose cracks, splits at a connection point, or collapses from age, water backs up into the tub or leaks onto the cabinet floor. ⚡ The drain hose is the most common cause of dishwasher drainage failure and under-sink leaks in Whirlpool and KitchenAid models. Part WPW10358302 is the genuine OEM replacement that restores complete, leak-free drainage immediately.
❓ Is This the Right Part?
This is the correct fix if ALL of the following are true:
- ✔ Your dishwasher is a Whirlpool or KitchenAid model
- ✔ The dishwasher runs a full cycle — wash and rinse functions work normally
- ✔ The drain pump runs — you can hear it activate at the end of the cycle
- ✔ ONLY problem is standing water in the tub after a cycle, or water leaking under the sink
Not sure? Send us your model number — we’ll confirm before you order.
🔧 Common Symptoms
- Standing water in the bottom of the dishwasher tub after a cycle ends
- Water leaking under the sink or onto the cabinet floor during or after a cycle
- Drain error code on the dishwasher display (e.g., F8E1 or similar)
- Visible cracks, splits, or holes in the existing drain hose
- Hose collapsed or kinked behind the dishwasher, restricting flow
- Musty smell from standing water that doesn’t fully drain
✔ If these symptoms match, this is the most likely failed component in the system.
✔ In most cases, replacing the drain hose eliminates drainage problems and leaks immediately.
📦 Part Details
- Part Number: WPW10358302
- Type: Dishwasher Drain Hose — OEM Whirlpool/KitchenAid, reinforced rubber construction
- Replaces: W10358302, W10418851, 8269112, 8270145, 8531022
- Brands: Whirlpool, KitchenAid, Maytag, Amana
While the dishwasher is pulled out, inspect the drain pump filter and check valve for debris or damage — a clogged filter or stuck check valve causes the same standing water symptoms as a failed hose and is easy to clean or replace during the same visit. Also check the hose clamps at both connection points and replace them if they show corrosion.
⚙️ Installation
Skill Level: Easy — 20–30 minutes. Disconnect power and turn off the water supply before servicing. Pull the dishwasher forward to access the drain hose connection at the pump and the sink drain or disposal connection under the sink. Loosen the hose clamps at both ends, remove the old hose, and route the new WPW10358302 in the same path. Secure both ends with the clamps, push the dishwasher back into position, restore power and water, and run a short cycle to confirm leak-free drainage.
💡 Pro Tip
When installing the new drain hose, route it in a high loop — secured to the underside of the counter at the highest point possible before dropping to the drain connection. This prevents dirty sink water from back-siphoning into the dishwasher tub, which causes odors and contamination. Many Canadian municipalities require an air gap fitting; check your local code before completing the installation.
Contact us to verify your Whirlpool or KitchenAid dishwasher model number before ordering.
✅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.
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