Transmission Oil Coolers
Automatic Transmission Tru Cool Heavy Duty
Most online orders received before 1pm CT (Monday-Friday) will ship the same day.
Tru Cool Heavy Duty transmission cooler kits
1 1/2" thick Cooler kits
Ideal for trucks, heavy duty cooling, RV use and towing applications!
LPD (Low pressure drop) highly efficient transmission fluid cooling technology that combines improved protection against lube system failure with the required levels of optimal heat transfer.
For use with 5/16" & 3/8" transmission cooler lines.
Do not use on 1/2" or larger lines used on some Chrysler diesels and Allison transmissions.
Tru Cool Max
Cooler Installation Information and Guide
Most Tru-Cool Transmission oil cooler kits contain:
Cooler, hose, fittings and hardware, 2 styles of mounting hardware - Quick connect nylon straps & steel mounting, easy installation instructions.
(NO special tools required)
*Some late model cooler applications may require additional fittings when installing a cooler kit.
The 4739, 4920 & 4921 series "MAX" cooler kits do not include nylon straps! Install by brackets or included steel straps.