Whilst all care has been taken to confirm these numbers the onus is on you to double check.
An * means I use them myself.
NOTE: Part numbers for MB or Freightliner/Dodge Sprinters may not fit your Jeep`2.7 CRD, but try Rockauto and look under Dodge 2004, Sprinter 2500 cross reference part with MB or Chrysler part number and you could be lucky.
OIL FILTERS:
Jeep..........................05086301AA
MB............................6111800009
Repco.*.......................ROF103
Mann Filters.*...............HU718/1K
Hengst *.......................E11HD57
Ryco.*.........................R2606P
Cooper/Wesfil..............WC040
FUEL FILTERS:
Jeep..........................05080477AA
MB............................665 092 00 01 or 6110920101
Mann Filters.*...............WK842/19 or 18
Hengst.*......................H217WK
Ryco.*.........................Z670
Cooper/Wesfil..............WCF158 or maybe WCF114 need confirmation.
NOTE: Some filters look the same but drain plug can be in differn't position, check first.
AIR:
Ryco..*................ A1581
Repco.*...............RAF157 (same as ZG)
Cooper/Wesfil......WA976
Mann.................
C 28 150 
FAN BELT:
Dayco.*.................6PK2605 (number will reference to all brands)
Jeep....................53013 600AA
MB......................0149975692
RADIATOR HOSES:
http://www.mackayrubber.com.au/conte...alogue-search/
Upper radiator hose: CH4078
Lower radiator hose: CH4067
REAR AXLE BEARINGS:
Diff:..Dana 44A...........44/226mm...........Timken Set 31...plus Oil Seal Timken 2146........Aussie bearing shops may show nil listing so you want a Timken Bearing NP182140-904A1 with a lock ring K35961. Show them this pic to prove it. Numbers are confirmed as they are on mine, bought from Rockauto.
I get my filters from
MBSpares in canberra
http://www.mbspares.com.au/ quote the MB number, they provide Hengst, Bosch and Mann filters, made in germany and they are good, the price is bloody good,
you must quote a MB part number though. They stock your general service parts as well as Tranny Oil, MB spec at a fantastic price.