Washer Drain Pump For: Whirlpool LP9437, W11399437, W11259498

Washer Drain Pump For: Whirlpool LP9437, W11399437, W11259498

Help restore proper washer drainage with this ERP aftermarket replacement drain pump for compatible Whirlpool washing machines. The pump removes water from the tub; a failing pump can leave standing water, drain slowly, hum or grind, trigger a drain error, or leak. This is not represented as a genuine Whirlpool part. Verify the complete appliance model, original part number, pump dimensions, connector, and hose connections before ordering.

Compatible Part Numbers

• LP9437
• W11399437
• W11259498

Key Features

• Direct replacement: Replaces the listed Whirlpool washer drain pump part numbers.
• Restores drainage: Pumps water out of the washer tub during the drain portion of the cycle.
• Connection check: Helps address drain problems caused by a worn or failed pump when the hoses and wiring are sound.
• Installation check: Match the pump body, connector, mounting, impeller, and hose connections with the original.

Fixes These Symptoms

• Standing water remains in the washer
• Washer drains slowly or will not drain
• Drain pump hums or grinds during operation
• Drain error or pump leakage occurs

Compatible OEM Brands

Whirlpool

Compatible Models

Fits various models. Please verify compatibility with us before ordering

Installation Instructions

1. Disconnect electrical power and shut off the water supply before servicing the washer.
2. Drain residual water safely and document the original hose routing, connector, and mounting position.
3. Compare the replacement pump body, impeller, connector, mounting, and hose connections with the original.
4. Install the pump, secure the hoses and wiring, and check that clamps and seals are seated correctly.
5. Restore utilities and run a supervised fill-and-drain test while checking all disturbed connections for leaks.

Use a qualified appliance technician if the washer has damaged wiring, unfamiliar connections, or a leaking tub or hose system.

Safety Disclosure

Prop 65 Warning: Cancer and Reproductive Harm – www.P65Warnings.ca.gov