The Whirlpool 4387478 Refrigerator Light Socket provides a secure electrical connection for the refrigerator's interior light bulb, allowing the compartment to remain properly illuminated. Designed to hold the bulb in place, it supplies the electrical contact needed for the light to operate when the refrigerator door is opened. This replacement component supports consistent interior v... https://www.hnkparts.com/4387478-whirlpool-sockt-lite/4-4387478.html