4G and WiFi versions are different for this parts .
Compatible with iPad 3 .
Pre-assembled  headphone jack with the little bozrd ( 4G version /WiFi version )

iPad 3 Touch Screen
iPad 3 LCD
iPad 3 Supporting Frame Black
iPad 3 Supporting Frame White
iPad 3 Power Volume Flex
iPad 3 Charging Flex
iPad 3 Front Camera
iPad 3 Back Camera
iPad 3 3G left antenna
iPad 3 3G right antenna
iPad 3 Bluetooth Cable
iPad 3 Microphone Flex
iPad 3 loudspeaker
iPad 3 headphone jack flex single
iPad 3 3G headphone jack flex assembly
iPad 3 WiFi headphone jack flex assembly
iPad 3 Home Button
iPad 3 Home Botton Circuit Board
iPad 3 GPS Antenna
iPad 3 SIM card holder with flex
iPad 3 sticker
iPad 3 Side Button
iPad 3 Battery
iPad 3 Touch Connector Pair
iPad 3 LCD Connector
iPad 3 Back Cover  WiFi
iPad 3 Back Cover  3G
iPad 3 Touch FPC Connector
iPad 3 LCD FPC Connector