Garmin Quarter Turn Locking Collar for Discontinued Garmin Chartplotters

Some discontinued models require a quarter-turn locking collar. Below are the part numbers for the Quarter Turn Locking Collars. Online retailers may still have stock available.  

11mm Cables

• Quarter Turn Locking Collar - K00-00494-01

  • 7-pin power cable (any)

  • 2-pin power cable GPSMAP 4xxx, and 5xxx series (verify quarter-turn)

  • Power cable GHC 10, GHP 10 ECU 

  • The coiled cable on GHS 10 

  • 6-Pin transducer cable 

  • VHF 200 fist microphone

  • VHF active speaker

  • VHF 300 power cable

  • All Garmin Marine Radar systems1

1 check for threaded or quarter turn port. Depending on the manufacture date, all Garmin radars could contain a threaded or a quarter-turn connector. Confirm which collar is needed before placing an order.

2 This only applies to GHP 10 ECUs packaged in the Reactor 40 Core packs