This Avantco 36059932 fan motor is a perfect replacement for the part that came standard on GSM, BCC, BCS, and BCSS series units. It is a vital part of your unit's refrigeration system, working to help your unit dissipate heat and keep the cabinet set to the right temperature. A broken or malfunctioning fan motor can prevent your unit from maintaining specifications and cause strain on other components, so be sure to fix it promptly.