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SKU:85850991
A step up from Tube and Fin type coolers, this Plate and Fin cooler features strong furnace-brazed construction, 1 1/4 inch wide plates and embossed turbulators which maximize heat transfer while also minimizing pressure drop. This unit is perfect for light to medium duty use and occasional towing. It greatly extends transmission life by preventing heat-related transmission failures, and improve shifting performance. Built with 1/2 inch NPT female cooler ports and includes 1/2 inch NPT x 3/8 inch hose barb adapters. This kit comes with a complete transmission cooler hardware kit to easily install onto vehicles with 5/16 inch transmission cooler lines.
Embossed turbulators inserted in each tube agitate fluid for maximum heat transfer
Extruded plastic cooling fin guards
Improves transmission performance
Sturdy furnace-brazed aluminum construction
I had originally purchased 13503 8000 series cooler for my 2001 Jeep Grand Cherokee. It did fit the vehicle, barely, the 13503's size caused interference between the hoses and the vehicle body leading to a significant leak. I replaced it with this 13611 9000 series and found this to be the better choice. The 13611's smaller dimensions made installation cleaner and much easier. Installation took a few hours as I had to custom fabricate all new mounting brackets from scratch and custom bend 3/8 hard line to get from the cooler to the engine side of the radiator, never mount anything directly to a condenser or radiator. This unit has 1/2 in. NPT connections, which gives you more flexibility on how to adapt it to your vehicle. I did not use any hardware from the kit, instead, I sourced some 3/8 double flare fittings and hard line. Overall, I am pleased with the quality construction of Derales' coolers. The install was much better than the larger 13503's and, with the hard line, looks factory.
