Gear selector bush part No. 4864226x
clutch reliese spring from the dealership (will need to order one in)
part No CH-04338855 the are $13.15 quite expensive for a little spring but cant find any like it aftermarket.
spigot is a needle bearing a suitable part No. B128 around $20
genuine rear main seal check out these guys.
http://www.jeepoverstock.com.au/Store/Product/?id=4824