Flat Transmission Oil Cooler 15.5 x 10 ?

Speedmaster 746-PCE186.1017 Features:

PCE transmission oil coolers feature a new tubular design that improves heat transfer dramatically over other designs. It can drop your transmission fluid temperature 20 degrees, and that can double the life of your automatic transmission. You'll get longer life and more consistent shifts even while doing heavy-duty towing. All necessary fittings come included with the kit.

• Maximum cooling efficiency without relying on direct airflow
• Their rugged aluminum extrusion features welded ends for long service life, in even the toughest environments