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.
Universal Car Aluminium Transmission Oil Cooler 4 Pass Tube and Fin Cooler Kit
New 10" x 10" HD Universal Full Aluminium Transmission Oil Cooler Kits ALLOY
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
BARTOO Universal 5/16" Transmission Oil Cooler Kit, Aluminium 2 Pass, Sliver
BARTOO Universal 5/16" Transmission Oil Cooler Kit, Aluminium 4 Pass, Sliver
