i called the dealer and the regulator and the filter come as one for $150.00. So, if what jeffy wrote correctly I feel as though I would like to try to replace the filter only. I am thinking the pumps go bad because of a clogged filter, that and people drive around with low fuel level which in turn does not let the cold gas cool the pump during operation.
I had to fix my door handle last year and the dealer wanted $25.00 for the handle, instead of the little plastic holder for 50 cents. I used a filed down syringe cap instead.