If your dash looks like this and the Plate opening measures 14 1/8" X 9 1/4", this mount will fit
Disclaimer: The Apex Factory Gimbal brackets have a Hole Pattern in them that "Does Not" match any previous hole pattern used by Humminbird in the past. We will send a Hole pattern with mounts that have a Apex model graph and you will need to mark your factory Apex gimbal Bracket and drill 9/32 holes them to match our pattern. Note: The BBT Cheyenne Series Apex Gimbal Brackets will have the same hole pattern in them as Helix and Solix Gimbal Brackets.
These Mounts are Designed to Secure the Larger GPS/Sonar Units. If you have smaller units, not listed, please go to: TRX 20 / TRX 21 Dual Mount (Moving Gauges)