- Transmission & Drivetrain
- Transmission Coolers, Lines, and Fittings
- Derale Heat Sink Coolers
The internal and external cooling fins in these Derale Cooling Products Heat Sink Coolers provide maximum cooling efficiency without relying on direct airflow. Their compact diameter means they can be mounted in a variety of locations, such as on the frame rail next to the transmission, directly under the radiator, under the floorboards, etc. The rugged aluminum extrusion features welded ends for long service life in even the toughest environments. These coolers are offered in several lengths with 3/8 in. or 1/4 in. inlets to better fit your specific application. Heat sink coolers are recommended for transmission, power steering, fuel or differential cooling applications.
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Single Pass Coolers
Heat Sink Cooler L: 14-1/4 in x W: 2-3/16 in. x D: 3-1/4 in. 3/8' in. NPT Inlets/Outlets
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$68.24
Estimated to ship direct from manufacturer in 24hrs
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Heat Sink Transmission Cooler KitL: 14-1/4" x W: 2-3/16" x D: 3-1/4" 3/8'' NPT Inlets/Outlets Includes Hardware Kit & Transmission Line
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$72.99
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Heat Sink Transmission Cooler KitL: 20-1/4" x W: 2-3/16" x D: 3-1/4" 3/8'' NPT Inlets/Outlets Includes Hardware Kit & Transmission Line
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$86.99
Estimated to ship direct from manufacturer on 07/23/26, pending manufacturer availability.
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Heat Sink Transmission Cooler KitL: 26-1/4" x W: 2-3/16" x D: 3-1/4" 3/8'' NPT Inlets/Outlets Includes Hardware Kit & Transmission Line
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$102.99
Estimated to ship direct from manufacturer on 07/24/26, pending manufacturer availability.
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Dual Pass Coolers
Heat Sink CoolerDual Pass 18 fl oz Capacity 3/8 in. NPT Inlet/Outlet 17.250 in. L x 3 in. W x 3.250 in. H Black Anodized Finish
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$92.39
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Heat Sink Transmission Cooler L: 26-1/4" x W: 2-3/16" x D: 3-1/4" 3/8'' NPT Inlets/Outlets
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$132.65
Estimated to ship direct from manufacturer in 24hrs
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