Apple Computer, MacBook Air 13-inch 1.8 GHz Core 2 Duo (SL9400), Apple Order Number , MC233LL/A, Model Number , A1304, Model Year, Mid 2009, Part Name, USB Ethernet Adapter, Manufacturer Part Number, N/A, Compatible Apple Order Number , MB543LL/A / MB940LL/A, MC233LL/A, Compatible Model Number, A1304, EMC Number, 2334, EEE Code, N/A, Compatible Apple Computer Family, MacBook Air Original, MacBook Air (13-inch Late 2008), MacBook Air (13-inch Mid 2009)
Order you product here: 922-8540 USB Ethernet Adapter for Macbook Air 13-inch Mid 2009 A1304 MC233LL/A, 922-8540
source http://info.applepartsellers.com/922-8540-usb-ethernet-adapter-for-macbook-air-13-inch-mid-2009-a1304-mc233ll-a