The Horton Drive Fan Clutch for International trucks with a back pulley diameter of 7.70" and a front pulley diameter of 6.77". This fan clutch is compatible with DINA and International truck manufacturers and comes with a new piston friction disc with a unique fin design for better heat dissipation. The D shaped seal design is made with hydrogenated buna nitrile rubber, providing greater temperature range tolerance and longer life. Upgrade your truck's cooling system with the Drive Fan Clutch for International trucks. With Its advanced design and durable materials, this fan clutch is built to last and keep your engine running cool even in the toughest conditions. Don't settle for anything less than the best. Choose the Drive Fan Clutch for International trucks today. FleetPride is your First Click in Heavy Duty®.