Tru-Cool Low Pressure Drop Transmission Oil Cooler SR4590 This Transmission Oil Cooler is made by Tru-Cool for vehicles with 28,000 Gross Vehicle Weight and has a 24,000 British Thermal Units Rating and a 11/32 hose barb. The Oil Cooler is 11" x 11" x 1.5" and made up of 48 Plates. Advanced All-Aluminum Design Combines Maximum Cooling With Minimum Flow Resistance For Extended System Protection. Protection Against #1 Cause of Transmission Failure. The LPD Oil Cooler is approved for all transmissions including: AXOD/E, E40D/E, AOD/E, A604, A500, 4T60/E, TH700R4, TH440.T4, TH125/C, 4L80E, TH400. This cooler is in stock now! Ready to ship!!