Instructions for transmission cooler hose kits. Each kit comes with (1) length of hose with a -6an female nut swedged on each end of the single hose. ... Determine the longest length of hose you will need by routing the hose from your transmission to your cooler or radiator mark hose and cut (follow instructions below on cutting stainless hose). Once hose has been cut in half and trimmed to desired length you will need to attach the field attachable fitting that are included in you kit (follow instruction below when assembling the field attachable fittings). Some kits may not include adapters for your specific cooler or radiator