The 12887 is a 12v 180 amp alternator, a new aftermarket direct replacement engineered to match the fit, form, and function of the original alternator. Specifications: - Voltage: 12V - Output: 180 amp - Rotation: Clockwise (CW) Vehicle Compatibility: - Makes: Jeep (2014-2022) - Models include: Jeep Cherokee - Confirm exact fitment with your year, make, and model before ordering. Cross-Reference / Interchange Numbers: - Replaces / compatible with: 11749, 12887, 421000-7090, 421000-7150, 90-29-5915, AL6566X, TN421000-7150. 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.