There's an everything CRD thread with a load of part numbers, here are all of the fuel system parts.
The rebuild kit part number is 0445010019 but depending on your pump condition it may be easier/cheaper to source a new pump.
HTH,
Jason
Fuel Line "O" Rings:
MB.....................6019970645................. .($4.75 each )
Link to post on subject:
http://www.ausjeepoffroad.com/forum/...ight=fuel+line
Fuel Pump:
High Pressure......MB A6120700001 Jeep.......5080278AA Bosch.....0445010019
O-rings for high pressure pump;
Bosch o-rings 6 x F01M 100389.
Support rings 6 x F01M 100643,
o-ring 3 x F01M 0P0 743
sealing ring 3 x F00R 0P0 577
sealing ring 3 x F00R 0P0 480
Link for HIgh Pressure Pump Replacement:
http://www.jeepforum.com/forum/f310/...hotos-1410217/
Service Kit for Bosch Pump 0445010019...... F 01M 101 455..........MB...A0000780780
Low Pressure......MB.. ?? Jeep......5080255AA Bosch..... ??