Whirlpool & Maytag Washer Drain Pump Parts — Models & Compatibility

If your Whirlpool or Maytag top-load washer won't drain, makes a grinding noise during the drain cycle, or leaves standing water after the spin, the drain pump is usually the culprit. The W10403802 drain pump fits dozens of models across both brands — from the Maytag MVWB850 series to the Whirlpool WTW8000 and 7MWTW8800 lines. This hub covers which models use this pump and how to verify you're ordering the right part.

Is This the Right Part for Your Model?

The model number on top-load washers is typically found along the rim under the lid or on the back panel near the top. Match your full model number (including the suffix like "AW0" or "YG1") against the compatibility list below. The W10403802 replaces older part numbers WPW10403802, AP6020990, PS11754310, and 4446381 — if your original pump has any of these numbers, this is your direct replacement.

About This Replacement Part

The drain pump removes water from the washer tub during and after the wash cycle. It's a motor-driven impeller assembly that pushes water through the drain hose. Most drain pump failures happen suddenly — you'll hear the pump trying to run but no water moves, or the motor hums without engaging. This part is a common failure point on Whirlpool and Maytag washers after 5-8 years of regular use, especially if you wash heavy loads frequently. The W10403802 is an OEM-equivalent replacement that fits multiple model series from both manufacturers, making it one of the most universal drain pump parts for modern top-loaders.

Compatible Washer Models

This drain pump works with the following Whirlpool and Maytag washer models. If your model isn't listed but your original pump has a matching part number, it'll still fit:

• 7MMVWB950AG0 (Maytag) — High-efficiency top-load
• 7MWTW8800AW0 (Whirlpool) — Cabrio series
• MVWB850YG1 (Maytag) — Bravos XL series
• MVWB850YW1 (Maytag) — Bravos XL series
• MVWB950YG1 (Maytag) — Bravos XL series
• MVWB950YW1 (Maytag) — Bravos XL series
• WTW8000BW0 (Whirlpool) — High-efficiency series
• MVW8850YG1 (Maytag) — Bravos series

Installation Overview

Replacing the drain pump requires tilting the washer back to access the underside. You'll need to disconnect the wire harness, remove the clamps from the inlet and outlet hoses, and unbolt the old pump from its mounting bracket. The entire job takes about 30-45 minutes if you've got basic tools. Make sure to have towels ready — there's usually residual water in the pump housing even after draining the machine.

Why This Part Fails

The drain pump motor wears out from constant use, and the impeller can crack or jam if small objects (coins, hairpins, fabric fibers) get past the drain filter. Hard water deposits also build up inside the pump housing over time, restricting flow and forcing the motor to work harder. If you've been getting error codes related to draining or your washer takes twice as long to complete a cycle, the pump is likely struggling and needs replacement before it fails completely.