The 10931 is a 12v 20 amp alternator, a new aftermarket direct replacement engineered to match the fit, form, and function of the original alternator. Specifications: - Voltage: 12V - Output: 20 amp Vehicle Compatibility: - Makes: Isuzu - Models include: Isuzu Misc. Industrial Equipment - Confirm exact fitment with your year, make, and model before ordering. Cross-Reference / Interchange Numbers: - Replaces / compatible with: 10931, 8-97226-840-0, 8-97226-840-1, 8-97226-840-2, 8-97226-840-3, 8-97226-840-4, 8-98156-527-0, 8-98156-527-1, 877-295-2712, 90-37-1001 (plus 2 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.