Garmin GPSMAP 521

The Garmin GPSMAP 521 is a used, tested and verified gps receiver designed for reliable operation aboard commercial vessels, offshore platforms, and shipyard refurbishment projects. This Used / Tested unit has been bench-tested and functionally verified before dispatch for marine engineers and vessel operators seeking proven equipment at competitive pricing.

Sourced directly from decommissioned vessels at Alang Ship Breaking Yard in India, each unit undergoes rigorous inspection and testing. Our technicians verify power-on functionality, display integrity, and communication interfaces to ensure reliable operation in real-world marine conditions. The GPSMAP 521 model designation ensures compatibility with original manufacturer specifications and spare part availability.

Key Features:

• High-sensitivity GNSS receiver with fast TTFF
• NMEA 0183 output for bridge system integration
• Complete set: receiver, antenna, and cabling
• DGPS capable with WAAS/EGNOS correction support

Garmin marine equipment is trusted by shipowners, vessel operators, and marine engineers worldwide for its reliability in saltwater environments and extreme temperatures. SAR Marine exports tested Garmin equipment to over 50 countries, supplying shipyards, vessel operators, and marine electronics integrators with quality-assured products. Request a detailed photo set, shipping quotation, or compatibility confirmation via our enquiry form — our technical team responds within 2–4 business hours.