This Four Seasons 20946 HVAC System Switch replaces ACDelco 1551022, ACDelco 1711477, ACDelco MT0358, ACDelco MT0375, ACDelco SW10005, ACDelco SW10021, Global Parts Distributors LLC 1711477, Santech MT0358, Santech MT0375, UAC SW10005, UAC SW10021, OEM parts and is perfect for replacement or a performance upgrade. .
