US Motor Works 13615 21-Row Series 9000 Plate & Fin Transmission Cooler Kit

The US Motor Works (Derale) 13615 is a 21-Row Series 9000 Plate & Fin Transmission Cooler Kit designed for light to medium duty vehicles and towing applications. Popular with original equipment manufacturers, this transmission cooler delivers superior heat dissipation compared to standard tube-and-fin designs, helping protect your automatic transmission from heat-related damage.

Built with furnace-brazed aluminum construction and 1-1/4" wide plates with embossed turbulators, this cooler maximizes heat transfer efficiency while minimizing pressure drop. It greatly extends transmission life by preventing heat-related failures and improving overall shifting performance.

Key Features:

• 21-row Series 9000 plate and fin design for superior cooling performance
• Strong furnace-brazed aluminum construction for long-lasting durability
• 1-1/4" wide plates with embossed turbulators maximize heat transfer and minimize pressure drop
• Built with 1/2" FTP female cooler ports
• Includes 1/2" NPT x 3/8" hose barb adapters for flexible installation
• Complete hardware kit for installation on vehicles with 5/16" transmission cooler lines
• Prevents heat-related transmission failures and extends transmission life
• Improves shifting performance

This complete kit includes the transmission cooler, hose, fittings, and all mounting hardware needed for installation. Ideal for light to medium duty use and occasional towing applications.