LPD47391 47391 For Tru-Cool 40000 GVW Transmission Oil Cooler Low-Pressure Drop

Transmission Oil Cooler for Tru-Cool

The LPD47391 47391 low-pressure drop transmission oil cooler is a direct replacement for the Tru-Cool 40000 GVW unit, engineered to control fluid temperatures and protect automatic transmissions under heavy towing and hauling loads.

Overview

This transmission oil cooler for Tru-Cool replaces the factory low-pressure drop unit and keeps automatic transmission fluid within a safe operating range during demanding work. Rated for 40000 GVW, it is built for trucks, vans, and SUVs that pull trailers or carry heavy loads, reducing heat that shortens transmission life. The LPD47391 47391 transmission oil cooler uses a low-pressure drop design so fluid flows freely and the pump is not strained.

Built For Performance

• Low-pressure drop internal design keeps fluid flowing without overworking the transmission pump
• Rated for 40000 GVW to handle heavy-duty towing and hauling applications
• Stacked plate construction maximizes surface area for efficient heat dissipation
• Durable brazed aluminum body resists corrosion and pressure fatigue
• Direct fitment for the Tru-Cool 40000 GVW mounting footprint

Fits These Machines

• for Tru-Cool 40000 GVW transmission cooler applications

On-The-Job Use

• Towing travel trailers and fifth wheels on long highway grades
• Hauling heavy loads in pickup trucks and work vans
• Stop-and-go delivery routes where transmission heat builds quickly
• Hot-climate driving where fluid temperatures climb fast

Specs At A Glance

Good To Know

Q: Does this replace the factory Tru-Cool 40000 GVW cooler directly? A: Yes, the LPD47391 47391 is built as a replacement for the Tru-Cool 40000 GVW low-pressure drop unit. Confirm your cooler part number and mounting before ordering.

Q: Can I install this without special tools? A: Basic hand tools and transmission line fittings are usually enough for a typical swap. Have the transmission fluid topped off and check for leaks after installation.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.