Is this everything in the photo the housing impulse hose and the breather valve ?
Here is a list of all parts included in the assembly:
0000 350 5802 Tank vent
1145 358 7706 Hose
1141 989 0600 Grommet
1145 122 3900 Elbow connector x2
1145 358 7704 Hose
1141 358 7708 Hose
0000 350 3500 Pickup body
0000 350 0534 Filler cap
9645 948 7734 O-Ring 25x3.5
0000 967 7280 Warning pictogram
1145 350 0811 Tank housing
1145 351 4000 Insulating plate
1129 352 5500 Clamp