Product Details: The Delco Remy 28SI™ 12V 200A Pad Mount Brush Alternator ensures you are Ready for the Road Ahead™ with its design to address truck applications that require high electrical output, while maintaining lower weight. This means not only enhancing temperature capability, but your fuel savings as well. The 28SI™ series of high output alternators provide for today’s higher under-hood temperatures by featuring a dual internal fan that has maximum cooling technology. This heavy duty alternator also has Remote Sense technology, which uses a second wire that interprets actual voltage from the battery and increases voltage output to ensure a constant 14 volts at the battery. Thus, only half the time is needed to bring your battery to a fully charged state, giving you the power you need when you need it. FleetPride is your First Click in Heavy Duty®.