No one carrys a seal kit for this model not even OEM.You will need to purchase seperately and below are the seal and O-ring numbers. Examine the driveshaft wear seals run in water pump base, if grooved or pitted install a speedi sleeve to repair.
prop seal.....................18-2019
prop seal.....................18-0595
carrier o-ring................18-7163
water pump base seal....18-2004
waterpump base seal.....18-2006
shift shaft seal.............18-8308
water pump base o-ring..18-7164
shift shaft o-ring...........18-7180