Transmission oil cooler 3/4 x 7-1/2 x 15-7/8. Heavy duty. Imperial Econo-Cool transmission oil coolers are ultrasonically soldered for reliability and are 100% pressure-tested to ensure quality. Product Features:Imperial Econo-Kool tube and fin transmission coolerSize: 3/4 x 7-1/2 x 15-7/8Pickup trucks and vans, class C motor homes, travel trailers to 24'GVWR up to 22,000 lbs.; towing up to 5,000 lbs.