What parts fit the Whirlpool AD40DSL1?

Valve kit WP978025, Fan motor 4389130, Valve kit 978026, Valve kit 978027, Valve kit 978030.

Whirlpool AD40DSL1 dehumidifier parts: valve kit

Valve kit

Slow filling, no water or no ice can trace back to this valve.

Shop the valve kit on Amazon Other models that use WP978025

Fan motor

Replaces 1186220

A noisy or stopped fan means poor airflow and uneven temperatures.

Shop the fan motor on Amazon Other models that use 4389130

Valve kit

Slow filling, no water or no ice can trace back to this valve.

Shop the valve kit on Amazon Other models that use 978026

Valve kit

Slow filling, no water or no ice can trace back to this valve.

Shop the valve kit on Amazon Other models that use 978027

Valve kit

Slow filling, no water or no ice can trace back to this valve.

Shop the valve kit on Amazon Other models that use 978030

1Valve kitWP978025

2Fan motor4389130

Part numbers come from the Sears PartsDirect parts list for the Whirlpool AD40DSL1 (view the list), checked November 15, 2026. Amazon buttons open a search for the part number; we may earn a commission.

Where the model number is

On the back panel or inside the bucket opening.

Other Whirlpool dehumidifiers

AD25GOAD25J0AD25J3AD25TJ3AD35DSS1AD35USS0AD40DSL4AD40LBK0AD40USL1AD40USL3