ATG20864 Alternator for - Medium & Heavy-Duty T600 / T800 8.9L ISL 5282830 8600143 8600167 8600168 The ATG20864 Alternator is designed for use in medium and heavy-duty trucks, including T600 and T800 models equipped with 8.9L ISL engines.It fits directly into the engine compartment and features a 0PK pulley configuration to support consistent power transfer.Constructed for , it operates reliably under conditions.This alternator is compatible with a range of vehicle applications beyond T600 and T800 models.It supports multiple interchange numbers such as 19020900, 19020902, 8600043, 8600143, 8600167, and 8600168, as well as OEM references 5282830, 528283000, and 19020900.Additional part numbers include 400-12220, 400-12220R, 400-12311, and 400-12390, allowing broad application across various platforms.Engineered to meet standard performance requirements, this alternator supports efficient electrical output and long-term.Its design supports function in temperature environments, contributing to sustained performance in commercial and industrial use scenarios.