Keeping you Ready for the Road Ahead , the Delco Remy 24SI 12V 160A Hinge Mount Brush Alternator is a durable alternative for your truck, maintaining lower weight, enhancing temperature capability and improving fuel savings with its design to address vehicle applications that require higher electrical output. Avoid the headaches of having to continuously check for signs and symptoms of a bad battery that won't turn or start. This heavy duty alternator stands the test of power being designed to address vehicle applications that require high electrical output. Built with a dual internal fan, the 24SI alternator provides maximum cooling compared to conventional single external fan designs. FleetPride is your First Click in Heavy Duty .