The 7847 is a 12v 100 amp alternator, a new aftermarket direct replacement engineered to match the fit, form, and function of the original alternator. Specifications: - Voltage: 12V - Output: 100 amp Confirm exact fitment with your year, make, and model before ordering. Cross-Reference / Interchange Numbers: - Replaces / compatible with: 10459234, 1105500, 321-744, 36-7847, 7847, 90-01-4277. 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.