The 11178 is a 12v 150 amp alternator, a new aftermarket direct replacement engineered to match the fit, form, and function of the original alternator. Specifications: - Voltage: 12V - Output: 150 amp - Rotation: Clockwise (CW) Vehicle Compatibility: - Makes: Buick, Cadillac (2006-2011) - Models include: Buick Lucerne; Cadillac DTS - Confirm exact fitment with your year, make, and model before ordering. Cross-Reference / Interchange Numbers: - Replaces / compatible with: 104210-4370, 104210-5990, 11178, 13-9674, 20843302, 210-1114, 213-9674, 25755840, 90-29-5585, AL8826X (plus 1 more on file). Why ePartsGlobal: specialist in heavy-duty starters, alternators, and charging-system electrical parts. Backed by a 1-year warranty, free shipping on orders over $19.95, and fast fulfillment. Ships from USA.