The 12234 is a 12v 80 amp alternator, a new aftermarket direct replacement engineered to match the fit, form, and function of the original alternator. Specifications: - Voltage: 12V - Output: 80 amp - Rotation: Clockwise (CW) Vehicle Compatibility: - Makes: Isuzu (1990-2003) - Models include: Isuzu NPR-HD; Isuzu NPR - Confirm exact fitment with your year, make, and model before ordering. Cross-Reference / Interchange Numbers: - Replaces / compatible with: 12234, 12234R-OEM, 36-12234, 8-97037-064-0, 90-25-1105N, LR180-502, LR180-502AM, LR180-502B, VSD. 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.