The Whirlpool W10136735 Refrigerator Freezer Door Gasket provides a reliable seal that helps maintain consistent internal temperatures. This gray replacement gasket is designed to fit compatible refrigerator freezer doors, forming a tight barrier that prevents cold air from escaping and warm air from entering. It works by compressing along the door frame when closed, ensuring an airtight seal that supports efficient cooling performance. By restoring proper insulation, it can help reduce energy consumption and improve appliance efficiency. Durable and flexible, this gasket is a practical solution for extending the life of your refrigerator while keeping food preserved under optimal conditions.