The 8499 is a 12v 145 amp alternator, a new aftermarket direct replacement engineered to match the fit, form, and function of the original alternator. Specifications: - Voltage: 12V - Output: 145 amp Vehicle Compatibility: - Makes: Chevrolet, Saab (2007-2009) - Models include: Saab 9-7x; Chevrolet Trailblazer - Confirm exact fitment with your year, make, and model before ordering. Cross-Reference / Interchange Numbers: - Replaces / compatible with: 15288860, 213-4833, 22026, 36-8499, 8400108, 8499, 8499HP-240A, 90-01-4554N, 91763. 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.