Apple MacBook Pro 15.4" A1286 Late 2011 Airport Bluetooth Card 661-5867 (4AX) Manufacturer: Apple Apple Part Number:661-5867 Compatible Model Numbers: (A1286) - Mid 2010, (A1286) - Early 2011, (A1286) - Late 2011 Additional Part Numbers: MD313LL/A, MC024LL/A, MC371LL/A, MC372LL/A, MC373LL/A, BCM94331PCIEBT4AX