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Part No. DER-13303
Brand: Derale

This Tube & Fin Transmission Cooler features ½” copper tubing expanded into aluminium cooling fins and includes embossed turbulators which serve to agitate fluid for maximum heat transfer. This is the heavy duty medium model. Perfect for medium-sized cars and compact trucks and SUVs that see light duty towing, they improve shifting performance and extend the life of the transmission by eliminating heat related transmission failures. This kit comes with a complete transmission cooler hardware kit to easily install onto vehicles with 5/16” transmission cooler lines.


  • Cooler style: Tube & Fin
  • Construction: Copper tube and aluminium fin
  • Inlet size: -6AN
  • GVW: 18500lb
  • Width: 17-1/2”
  • Height: 7-5/8”
  • Depth: ¾”
  • Inlet dim: 6-1/4”
  • Mounting: 13-3/4”
  • Hose size: 11/32” w/female -6AN fittings
  • Hose length: 4 ft.
  • Prevents heat related transmission failures
  • Extends life of transmission
  • Improves transmission performance
  • Embossed turbulators inserted in each tube agitate fluid for maximum heat transfer
  • Extruded plastic cooling fin guards
  • 6 pass cooler design
  • ½” copper tubing expanded into aluminium cooling fins
  • -6AN inlets
  • 18500lbs GVW rated
  • Complete hardware kit included