The 11755 is a 12v 220 amp alternator, a new aftermarket direct replacement engineered to match the fit, form, and function of the original alternator. Specifications: - Voltage: 12V - Output: 220 amp - Rotation: Clockwise (CW) Vehicle Compatibility: - Makes: Ram (2013-2024) - Models include: Ram 2500; Ram 3500; Ram 4500; Ram 5500 - Confirm exact fitment with your year, make, and model before ordering. Cross-Reference / Interchange Numbers: - Replaces / compatible with: 11755, 213-8269, 421000-7140, 421000-7141, 90-29-5866, 90-29-5866N, MX421000-7141. 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.