This alternator is a direct replacement for Ford Mustang models from 2005-2008 with a V8 4.6L engine. It has a 135A output and a 12V voltage. The alternator features an internal fan and regulator design, as well as a 6-groove pulley for clockwise rotation. The manufacturer part numbers include 6R3Z10346DA, 6R3T10300DB, 4R3Z10346BB, 8516, and 4R3TBB. This alternator is compatible with Ford make and has a California Prop 65 warning. It comes with a 1-year manufacturer warranty.