This is a Later Version of the 13479 Used on Subaru Impreza. Originally This Was Thought to Be 85A, But Now Appears to Be 75A. These Units Look Virtually Identical Otherwise, and Both Use a 5-Groove Pulley. The Main Visual Difference Between the Two Units is That the Battery Terminal Extension on the 13479 Points Straight Out at 9:00, While on the 13752 This Same Extension Actually Bends Around the Corner of the Rear Housing (Also at 9:00) and Points Outward At That Point. This Must Be a Clearance Issue in the Vehicle. These Units Do Use Different Regulators (According to the Regulator OE # Only).