Tube and Fin : it has a tube that allows the transmission fluid to flow to the aluminum fins that disperse the heat and cool it.Beside，This is the least expensive and simplest type of transmission cooler.
Aluminium Universal 6 Pass Tube And Fin Kit Transmission Oil Cooler 5/16" Set.US
8 Pass Aluminium Transmission Oil Cooler, Universal 8 Rows Tube & Fin Cooler Kit
Universal 5/16" Transmission Oil Cooler 8 Pass Tube and Fin Cooler Kit Aluminium
Universal 5/16" Aluminium Transmission Oil Cooler 8 Pass Tube and Fin Cooler Kit
Universal 5/16" 8 Pass Tube Fin Aluminum Transmission Oil Cooler Complete Kit
Universal Dual Pass Bar & Plate Oil Cooler Small Core:9.5"x5.5"x1.58" Black
