Part Number 13256

1 Pass 24" Heat Sink Transmission Cooler Kit


This all aluminum Heat Sink cooler uses both external and internal fins to maximize heat transfer. With a 3" diameter it can be mounted in a variety of locations. This kit comes with a complete transmission cooler hardware kit to easily install onto vehicles with 5/16" transmission cooler lines, making it a perfect solution for light duty transmission cooling needs.

  • Aluminum heat sink design Features internal and external heat dissipating fins for high heat transfer
  • Stamped Turbulator has been added for increased efficiency
  • Removable brackets allow cooler to be clocked
  • Clear anodized finish
  • Hardware kit includes aluminum hose barbs fittings, hose, insta-dapt radiator adapter and mounting hardware
  • Compact 3" diameter to fit most frame rails
  • Single pass cooler design
  • 3/8" hose barb fittings included
  • All Derale coolers are rated at 250 psi working pressure, 300 psi burst strength
  • Cooler style: Heat Sink
  • Construction: Aluminum
  • Inlet size: Single 1/2" NPT
  • Fitting size: 3/8" hose barb
  • Length: 25-1/4"
  • Core Length: 23-5/8"
  • Height: 3-1/4"
  • Mounting: 24-5/8" x 1-3/8"
  • Capacity: 28 ounces
  • Hose size: 3/8"
  • Hose length: 4'