Tru-Cool Max Transmission Cooler 40,000 GVW Fluid Oil 40K True Long Brand 4739-1 LPD47391 Automatic

Tru-Cool Max transmission cooler by Long Manufacturing.

Part numbers: LPD47391, 750-47391P5, OC-47391, OC-4739-1, LPD-47391

• Brand: Tru-Cool by Long Manufacturing – Dana Corporation
• GVW Rating: 40,000 GVW
• BTU Rating: 45,000
• Cooler size: 8.5" x 22.75" x 1.25"
• Number of plates: 13
• Fitting size: 3/8" inverted flare
• Country of Manufacture: Canada
• Genuine: Yes
• Manufacturer Warranty: Limited lifetime
• Tru-Cool is a registered trademark of Dana Aftermarket Group
• UPC: 621859473915
• Other Identifiers: 0621859473915, B0060NKA1U

There is only one genuine and authentic Tru-Cool, manufactured with pride in Canada by Long Manufacturing, a division of Dana Corporation. Tru-cool is an OE manufacturer and the only true producer of low pressure drop automatic auxiliary transmission coolers, also known as LPD. Don’t be fooled by the imitations.

This is the ultimate cooler for heavy towing and is a must for heavy duty applications, including racing, towing, and hauling. Heat is what kills an automatic transmission. If you want to extend the life of your transmission and avoid a premature, costly rebuild, this is very cheap insurance. Built to OEM specifications, this cooler is the best choice for your truck, van, RV, car.

All parts and instructions are included to mount and plumb this cooler. If you want to install this cooler with upgraded hose and fittings, the 5/8”-18 threads in the cooler would allow you to convert over to AN style to use with braided or Socketless hose. Upgraded line and fittings would need to be purchased separately.  

Retail price is $200+.

All True-Cool coolers come with a manufacturer's limited lifetime warranty.

(Purchase Part number LNG-4739 for this same cooler with the thermal-bypass.)