Part Number:
LPD 47391, LPD47391, OC-4739-1, 47391, LPD-4739-1

Automatic Transmission Oil Cooler:
Suitable for applications up to 40,000lbs Gross Vehicle Weight
NOTE: This kit is NOT intended for operation below 32 degrees Fahrenheit
High Flow 3/8" Inverted Flair Hex fittings
Plate-style cooler outperforms old tube-and-fin designs in a smaller overall size
Delivers up to 15X less flow restriction
30% more cooling delivers maximum heat transfer
Durable brazed aluminum construction
Self-regulating flow for maximum lube flow protection through cold start-up, varied temperatures and driving conditions, heavy loads and towing

This kit includes:
Mounting hardware – Bolts, nuts, washers and steel mounting straps
Brass fittings, high-quality cooler hose, and hose clamps

Specification:
GVW Rating: 40,000, 40k
Number of Plates: 13
Cooling Plate Type: Max Fin and Plate
Cooler Size: 8-1/2" x 22" x 1-1/4"
BTU Rating: 45,000
Cooler Fitting Size: 3/8" Inverted Flare Hex

Extend the life of your transmission and avoid costly repairs with transmission and engine coolers.
Keep your operating temperatures low, even in harsh conditions, and protect the vehicle you rely on.
When an auxiliary transmission oil cooler is required for your vehicle, Tru-Cool Max delivers optimal protection with double the cooling performance of our other products.
Maintain lower temperatures in your transmission and lubricant with Tru-Cool and extend the life of the vehicle you depend on.
Drive hard. Rest easy.