The Door Gasket is an OEM replacement part for Frigidaire side-by-side refrigerators. It is a flexible rubber sealing strip located around the inner perimeter of the refrigerator door opening. The gasket forms an air-tight seal when closed to maintain proper cooling and moisture control inside the fridge.  Causes of failure may include deterioration or damage due to repeated exposure to fridge temperatures and humidity levels over time. Accidental abrasions or punctures to the gasket seal can also occur. Symptoms of a bad door gasket include: Condensation or frost observed along inner door surfaces Cold air felt escaping around door edges   Higher energy bills from frequent compressor cycling Foods thawing or spoiling more quickly than usual Loss of optimum freshness and storage environment Compatible brands include some Electrolux, Gibson, and Kenmore refrigerator models.This part fixes the following symptomsDoor sweatingFridge runs too long218730609 (AP2115008) replaces 218730610, 08009735, 08015544, 08017487, 1099, 215732403, 215732413, 215732463, 3001416, 3018238, 3018555, 3018792, 5303018555, 5303018792, 5303206641, 5303275771, 5303275772, 5308009735, 5308015544, 5308017487, 53900, 8009735, 8015544, AH428570, EA428570, G175324-13, G180547-13, G18057-13, G186803-13, G186932-13, G191723-13, PS428570, R000901098.