This One New Aftermarket Replacement Oil Cooler Core is designed to fit various Caterpillar equipment models, including Wheel Tractors, Wheel Loaders, and Wheel Scrapers. It is compatible with the following models: 824C, 825C, 826C, 834B (Tractors), 980C, 988B (Loaders), and 621B, 621E, 623B, 623E, 627B, 627E, 631D, 631E, 633D, 637D, 637E, 639D, 657E (Scrapers).In addition, this oil cooler core also fits other CAT models such as Excavator Models 245 and 245B, Pipe Layer Models 578 and 589, Haul Truck Models 768C, 769, 769B, 769C, D35Hp, D40D, D44, D44B, D400, D400D, D500, and D550B. It is also compatible with Crawler Loader / Crawler Dozer Models 983B (Loader), and D8L, D8N, D9N (Dozers), Motor Grader Model 16G, and Engine Models 3304, 3304B, 3306, 3306B, 3406, 3406B, 3408, 3408B, and 3412.This aftermarket replacement oil cooler core has a weight of 21.05 lbs and dimensions of 19.4cm (length), 19.4cm (width), and 39.4cm (depth). It is made with high-quality materials to ensure durability and efficient cooling performance.Upgrade your Caterpillar equipment with this reliable oil cooler core to maintain optimal engine temperature and maximize performance. Shop now and enjoy the benefits of this top-notch replacement component.