Description: The Subaru Alternator (23700AB16A) is a factory-spec charging unit for 2019–2025 Subaru Ascent and Legacy/Outback with the 2.4L turbo engine. It converts engine mechanical power into electrical energy to charge the battery and power all vehicle systems during operation. A genuine Subaru OEM alternator built to original output amperage, pulley ratio, and mounting specifications for dependable, factory-matched charging performance.