The 12459 is a 12v 70 amp alternator, a new aftermarket direct replacement engineered to match the fit, form, and function of the original alternator. Specifications: - Voltage: 12V - Output: 70 amp - Rotation: Counterclockwise (CCW) Vehicle Compatibility: - Makes: Carrier, Carrier Transicold - Models include: Carrier Transicold Supra 544; Carrier Supra 744; Carrier Supra 922; Carrier Supra 950; Carrier Supra 622; Carrier Supra 750 - Confirm exact fitment with your year, make, and model before ordering. Cross-Reference / Interchange Numbers: - Replaces / compatible with: 11847N, 12459, 12459N-OEM, 2542276, 30-01114-07, 30-60050-02, 30-60050-03, 30-60050-04, 439233, 542276 (plus 7 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.