Updated pricing on your 97 and newer engine oil cooler lline kit. Now $149.95, kit includes o-rings for the filter adapter.
http://www.lubricationspecialist.com/gm-6.5td/6.6l-diesel/97-and-later-6.5td-oil-cooler-lines/
Greg
http://www.lubricationspecialist.com/gm-6.5td/6.6l-diesel/97-and-later-6.5td-oil-cooler-lines/
Greg