Garmin GPSMAP 8x17 Trim Piece Snap Cover, For GPSMAP 8417/8617, 16.5 x 0.5 in
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Overview
The Garmin 010-12390-41 is a trim piece snap cover for GPSMAP 8x17 chartplotters, used to finish a glass helm install on compatible units like the GPSMAP 8417 and 8617. The trim piece measures 16.5 inches long by 0.5 inches wide, helping the display sit in the dash with a clean, closed edge.
This is a practical replacement when the original trim was misplaced during service, damaged during a helm refit, or removed when pulling the unit for troubleshooting. It is a trim cover, not a screen protector, and it is meant to complete the look of a flush or glass helm mount rather than change how the GPS functions.
Key features
- Made for Garmin GPSMAP 8x17 glass helm installations, including GPSMAP 8417 and 8617
- Snap cover style trim piece that closes the visible edge around the mounted display
- Trim piece size: 16.5 inches long by 0.5 inches wide
- Useful for restoring a finished helm appearance after electronics work or console rebuilds
Compatibility and fit
Confirm your chartplotter model is in the GPSMAP 8x17 family before ordering, since trim pieces are not interchangeable across different screen sizes. If your dash opening or glass helm cutout has been modified, check fit carefully so the trim can seat flat without gaps.
Installation and setup
Installation is typically done after the display is seated in its helm mount. Line the trim piece up with the edge and press along the length until it snaps fully into place, then check that it is even all the way around the visible seam. On boats that see salt spray and frequent washdowns, a quick wipe of the mounting surface helps the cover seat cleanly.
Use on board
This part is a good match for boats running a flush-mounted GPSMAP 8417 or 8617 where the helm needs the finished edge back to keep the install looking tidy. It also makes sense as a spare for owners who remove electronics seasonally or run hard enough that small trim parts tend to go missing over time.
Maintenance and care
Rinse with fresh water after washdowns and use mild cleaners when wiping around the helm to avoid dulling the surface. After rough runs or repeated cleaning, take a moment to confirm the piece is still fully snapped in and sitting flush.
Shipping
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Duties, taxes, and support
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