Description
The Sierra 18-5965 MERCRUISER 65 Amp Alternator is a premium quality marine alternator engineered specifically for MerCruiser stern drives. Built with an aluminum housing and designed with an internal regulator and an external fan, this 12-volt, clockwise-rotation unit meets or exceeds original manufacturer standards and is backed by Sierra's limited lifetime warranty.
Key Specifications & Compatibility
- Electrical Output: 12 Volts / 65 Amps
- Pulley System: Equipped with a V-belt pulley (175 mm outside diameter)
- Internal Components: Internal regulator, negative ground, and external fan
- Interchangeable Part Numbers: Directly replaces MerCruiser part numbers 817119A1, 817119A4, 805884T, 12449, 12449A1, 92497, 92497A3, and 98555A1. It also replaces Mallory 9-19103 and MES 3159M
