Sale!
![GOST Octo Duece Cellular Router [G4G-LTE-WIFI-OCTO-DEUCE]](https://www.marinerailparts.com/wp-content/uploads/2026/10/gost-octo-duece-cellular-router-g4g-lte-wifi-octo-deuce.webp)
GOST Octo Duece Cellular Router [G4G-LTE-WIFI-OCTO-DEUCE]
Original price was: $207.19.$128.01Current price is: $128.01.
Sale!
![GOST Wireless Smoke Detector [GP-SD]](https://www.marinerailparts.com/wp-content/uploads/2026/10/gost-wireless-smoke-detector-gp-sd.webp)
GOST Wireless Smoke Detector [GP-SD]
Original price was: $237.59.$169.58Current price is: $169.58.
Sale!
![Siren Marine Audible Alarm [SM-ACC-ALRM]](https://www.marinerailparts.com/wp-content/uploads/2026/10/siren-marine-audible-alarm-sm-acc-alrm.webp)
Siren Marine Audible Alarm [SM-ACC-ALRM]
Original price was: $39.99.$30.64Current price is: $30.64.
Sale!
![Siren Marine Battery Sensor f/Siren 3 [SM-WLS3-BATT-917]](https://www.marinerailparts.com/wp-content/uploads/2026/10/siren-marine-battery-sensor-f-siren-3-sm-wls3-batt-917.webp)
Siren Marine Battery Sensor f/Siren 3 [SM-WLS3-BATT-917]
Original price was: $111.27.$60.65Current price is: $60.65.
Sale!
![Siren Marine Bilge Pump Sensor f/Siren 3 [SM-WLS3-BILG-917]](https://www.marinerailparts.com/wp-content/uploads/2026/10/siren-marine-bilge-pump-sensor-f-siren-3-sm-wls3-bilg-917.webp)
Siren Marine Bilge Pump Sensor f/Siren 3 [SM-WLS3-BILG-917]
Original price was: $111.27.$64.14Current price is: $64.14.
Sale!
![Siren Marine Entry Sensor f/Siren 3 [SM-WLS3-ENTR-917]](https://www.marinerailparts.com/wp-content/uploads/2026/10/siren-marine-entry-sensor-f-siren-3-sm-wls3-entr-917.webp)
Siren Marine Entry Sensor f/Siren 3 [SM-WLS3-ENTR-917]
Original price was: $111.27.$69.48Current price is: $69.48.
Sale!
![Siren Marine External GPS Antenna f/Siren 3 Pro Includes 10 Cable [SM-ACC3-GPSA]](https://www.marinerailparts.com/wp-content/uploads/2026/10/siren-marine-external-gps-antenna-f-siren-3-pro-includes-10-cable-sm-acc3-gpsa.webp)
Siren Marine External GPS Antenna f/Siren 3 Pro Includes 10 Cable [SM-ACC3-GPSA]
Original price was: $36.00.$20.36Current price is: $20.36.
Sale!
![Siren Marine High Water Sensor f/Siren 3 [SM-WLS3-HIWS-917]](https://www.marinerailparts.com/wp-content/uploads/2026/10/siren-marine-high-water-sensor-f-siren-3-sm-wls3-hiws-917.webp)
Siren Marine High Water Sensor f/Siren 3 [SM-WLS3-HIWS-917]
Original price was: $111.27.$68.73Current price is: $68.73.
Sale!
![Siren Marine MTC MonitoringTracking Device f/WiredWireless Sensors [SM-MTC-A]](https://www.marinerailparts.com/wp-content/uploads/2026/10/siren-marine-mtc-monitoringtracking-device-f-wiredwireless-sensors-sm-mtc.webp){kind=tracking}
Siren Marine MTC MonitoringTracking Device f/WiredWireless Sensors [SM-MTC-A]
Original price was: $359.40.$211.20Current price is: $211.20.
Sale!
![Siren Marine MTC+2 Wireless Boat MonitoringSecurity System [SM-BDL-MTC2]](https://www.marinerailparts.com/wp-content/uploads/2026/10/siren-marine-mtc-2-wireless-boat-monitoringsecurity-system-sm-bdl-mtc2.webp)
Siren Marine MTC+2 Wireless Boat MonitoringSecurity System [SM-BDL-MTC2]
Original price was: $479.40.$279.90Current price is: $279.90.
Sale!
![Siren Marine Shore Power Relay - 240V [SM-ACC-ACRE-240]](https://www.marinerailparts.com/wp-content/uploads/2026/10/siren-marine-shore-power-relay-240v-sm-acc-acre-240.webp)
Siren Marine Shore Power Relay – 240V [SM-ACC-ACRE-240]
Original price was: $81.53.$50.39Current price is: $50.39.
Sale!
![Siren Marine SirenSat Offshore Satellite Antenna w/2M Power Cable [SM-SAT-OFFS]](https://www.marinerailparts.com/wp-content/uploads/2026/10/siren-marine-sirensat-offshore-satellite-antenna-w-2m-power-cable-sm-sat-offs.webp)