SAAB 5048590 Expansion valve The catalog lists 4633681 as 5048590. Replaced by 5048590 Found in SAAB Og9-5 1998–2003 Heating and ventilation › Air conditioner - Heat exchanger - Cabin filter · Position 1A SAAB Og9-5 1998–2001 Accessories › Climate control - Air conditioning · Position 17