Perma-Cool Transmission Coolers

Transmission Coolers, Filters, and Accessories



What a Transmission Cooler Does

Transmission Temperature Breakdown Chart
Automatic transmissions generate large amounts of heat and are totally dependant on the transmission fluid for cooling. When the fluid temperature exceeds 200°F the fluid deteriorates rapidly, diminishing its ability to lubricate and cool critical valves, springs, seals and other internal components, leading to premature failure and costly repairs. Over 90% of all automatic transmission failures are caused by overheating.  A 20° drop in fluid temperature can double the life of the transmission!

    The inefficient factory fluid cooler is located in the radiator's coolant holding tank.  The hot trans fluid is cooled by transferring its heat to the colder engine coolant that surrounds it.  The minimal temperature difference between the two fluids under normal conditions causes little, if any, drop in the transmission fluid temperature.

    Perma-Cool® Transmission Oil Coolers perform best when installed in conjunction with the factory cooler and mounted in front of the radiator.  With cool fluid re-entering the transmission, the valves, springs and seals perform as intended, resulting in smoother operation, positive shifts, lower floor board temperatures and extended life.

    If you use your vehicle for towing, drive in stop-and-go traffic, or carry heavy loads, your transmission needs a Perma-Cool® Transmission Oil Cooler.  If you drive a recreational vehicle, a street machine with a high-performance automatic transmission, or a race car, you also need a Perma-Cool® Transmission Oil Cooler.

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