Powermaster Natural Smooth 150 Amp 12SI 6-Groove Pulley Alternator
Highlights
- 150 Amp Output
- 1-Wire Hookup
- Durable Black Finish
- Direct-Fit Replacement
Powermaster Natural Smooth 150 Amp 12SI 6-Groove Pulley Alternator.
For an unbeatable upgrade to your Chevy’s charging system, this direct-fit alternator (47297-104) is the solution. Built with a heavy-duty rectifier and internal regulator, this alternator provides reliable 150-amp output to power modern accessories such as electric fans, fuel pumps, and upgraded lighting. Finished in a clean natural coating, this alternator maintains a classic appearance while delivering high performance. The included 6-groove pulley ensures proper belt fitment.
Features and Benefits:
- Provides up to 150 amps of output
- GM 12SI body style
- Natural finish
- Includes 6-groove pulley
- 1-wire hookup with internal regulator
- Heavy-duty rectifier for durability
- Direct replacement for stock alternators
Vehicle Fitment:
- 1964-1972 Chevy Chevelle/El Caminos
- 1967-1973 Chevy Camaros
Please Note: The single-wire voltage regulator requires the use of a new heavy gauge wire to power the alternator.
California Residents: Proposition 65 Warning
Related Categories: Engine, Restomod, Alternators
Vehicle Fitment
This product will fit the following Camaro years:
- 1967,
- 1968,
- 1969,
- 1970,
- 1971,
- 1972,
- 1973,
This product will fit the following Chevelle years:
- 1964,
- 1965,
- 1966,
- 1967,
- 1968,
- 1969,
- 1970,
- 1971,
- 1972,
This product will fit the following El Camino years:
- 1964,
- 1965,
- 1966,
- 1967,
- 1968,
- 1969,
- 1970,
- 1971,
- 1972,









