Important details

SUBSTITUTION

This is a manufacturer substitution. Part may differ in appearance but is a functional equivalent to prior parts including 66128-2.

Part information

This defrost timer (part number WP4391974) is for refrigerators.

Defrost timer WP4391974 manages the automatic defrost system in the freezer.

Safely store any food that could deteriorate while the power is off. Unplug the refrigerator before installing this part. Wear work gloves to protect your hands.