Overview

The Garmin 010-10447-03 is a flush-mount kit that lets you recess a compatible GPSMAP 4xx series display into a flat helm panel so the unit sits flush and stays secure at the console.

It fits 4-inch units including GPSMAP 420/420s, 421/421s, 430/430s, 431/431s, 440/440s, and 441/441s, as well as the Fishfinder 400C. The kit supplies the cutout template and mounting hardware needed to mount the display directly to the dash instead of using a bracket.

Key features

• Flush-mount installation for compatible GPSMAP 4xx and Fishfinder 400C displays
• Template included to lay out the panel cutout before drilling and cutting
• Mounting hardware included for fastening the display to the panel
• Keeps the display closer to the helm surface to reduce snag points in tight consoles

What’s included

• Mounting hardware
• Installation template
• Installation instructions

Compatibility and fit

This kit is specific to Garmin GPSMAP 4xx series and related 4-inch housings, including GPSMAP 420/420s, 421/421s, 430/430s, 431/431s, 440/440s, and 441/441s, along with the Fishfinder 400C. It is not a universal mount, so match the unit family before cutting the panel.

Installation and setup

Pick a mounting location with enough flat surface area for the template and enough clearance behind the panel for the display body, connectors, and cable bend radius. After confirming the fit, transfer the template to the dash, make the cutout, and fasten the unit to the panel using the included hardware.

Route cables so they are supported and do not chafe with vibration, especially on boats that see frequent trailering or rough water. This kit is a good match for refits where you want a GPSMAP 4xx display to sit flush at the helm or where an older flush-mount opening is being reworked for the same model family.