The S series of 6 phase alternators offers incredible output in a compact and durable package. Highly efficient, these units use less horsepower than conventional 3 phase alternators. 12 diodes, twin rectifier plates and outstanding airflow ensure long service life, even in severe conditions. Installation Notes: This unit comes equipped with a smaller 1.75 inch diameter alternator pulley, and may require a slightly shorter drive belt for proper belt tension.
Fitment Guide:
| Make | Model | Engine Size | Year |
| Toyota | 4Runner | 4.0L | 2010 - 2023 |
| Toyota | FJ Cruiser | 4.0L | 2013 - 2014 |
| Toyota | Tundra | 4.0L | 2011 - 2014 |
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