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.
6 Pass Tube and Fin Transmission Cooler Universal 5/16" Oil Cooler Kit Aluminium
Aluminium Universal 6 Pass Tube And Fin Kit Transmission Oil Cooler 5/16" Set.US
Universal Car Aluminium Transmission Oil Cooler 4 Pass Tube and Fin Cooler Kit
5/16" Transmission Oil Cooler, 8 Pass Tube and Fin Cooler Kit black OC-1405
12" Inch Transmission Oil Cooler Kit ROUND DUAL PASS TUBE AND FIN ALUMINUM 12"
