This alternator is compatible with Mack T600 and T800 medium and heavy-duty trucks equipped with 8.9L ISL engines.It replaces part numbers 5282830, 8600143, 8600167, and 8600168.Specifications include 12V voltage and 130A amperage.Designed for performance in commercial vehicle applications, it fits the following Mack models: CX Series (Vision) from 2003–2005, DM/DMM Series from 1999–2007, FDM Series from 1999, and additional Mack series from 2002–2007.Reference OEM and reference part numbers include DELCO 19020900, 8600143, 8600167, 8600168; ARROWHEAD ADR0380, BAL9961LH; J&N Electrical Products 400-12220, 400-12311; and UNIPOINT ALT-1240.