Yamaha - Siren Marine External GPS Antenna for Siren 3 Pro - SM-ACC3-GPSA - 6X8-85B81-00-00 MerCruiser-4-3L-MPI-Bravo-2001 The cast aluminum composition is

The cast aluminum composition is responsive and efficient

Generic paints may appear close in color but typically fall short in adhesion and resistance to salt and heat

These passenger wearable accessories

the protection becomes almost invisible in your day-to-day boating

Yamaha - Siren Marine External GPS Antenna for Siren 3 Pro - SM-ACC3-GPSA - 6X8-85B81-00-00 MerCruiser-4-3L-MPI-Bravo-2001 The cast aluminum composition isYamaha Siren Marine External GPS Antenna for Siren 3 Pro SM ACC3 GPSA 6X8 85B81 00 00 Features: Always know where your boat is with enhanced tracking capabilities for your Siren 3 Pro When you remotely mount the External GPS Antenna, the Siren 3 Pro will override the use of the internal GPS antenna, giving you maximum situational awareness anytime, anywhere! Compatible with the Siren 3 pro M. P. N: SM ACC3 GPSA 6X8 85B81 00 00 External GPS Antenna