had a transmission specialist check why , where leaking, said silanoide pack on 2004 Dodge Stratus

nneds to be replaced. do i need to buy whole pack? which consists of? and the costs?

Asked by for the 2004 Dodge Stratus
the solinoid pack is 1 unit bolted to the tranny and has a seal. they are known for cracking, causung a leak. not sure of the cost though.