Gauges
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9% off
Blue Sea Systems AC Digital Voltmeter - 8237
$291.76$262.65 -
9% off
Blue Sea Systems DC Digital Voltmeter - 8235
$244.84$220.42 -
9% off
Blue Sea Systems M2 DC Voltmeter - 1833
$375.97$338.43 -
14% off
Maretron Pressure Transducer
$235.18 - $269.68$211.72 - $256.23 -
6% off
Aqualarm Standard Boat Bell Alarm - 20100
$68.20$63.47 -
9% off
Sea-Dog Rainbow Voltmeter with USB 3.0 & USB-C Power Socket - 426519-1
$40.60$36.60 -
9% off
Blue Sea Systems DC Analog Voltmeter Panel - 8015
$149.62$134.72 -
6% off
Aqualarm Piezo Alarm Buzzer - 20106
$26.72$24.89 -
14% off
Veratron ViewLine -500/+500 RPM Synchronizer - 85 mm (3 3/8")
$104.10 - $117.90$88.57 - $112.38 -
9% off
Blue Sea Systems Micro Analog AC Voltmeter
$57.16$51.51 -
19% off
Raritan Ruddermaster Panoramic Rudder Angle Indicator Kit
$952.81 - $1,019.06$762.37 - $1,019.06 -
7% off
Veratron ViewLine Boost Pressure Gauge - 52 mm (2 1/16")
$70.98 - $103.20$65.32 - $103.20 -
9% off
Blue Sea Systems Digital Voltmeter Panel - 8051
$338.68$304.87 -
21% off
Maretron Pressure Transducer - PT-0-5000PSI-01
$352.48$277.55 -
9% off
Faria Euro White Oil Pressure Gauge - 12902
$40.62$36.61 -
9% off
Faria Professional Red Fuel Level Gauge - 14601
$68.22$61.45 -
9% off
Blue Sea Systems M2 AC Voltmeter - 1837
$417.37$375.69 -
9% off
Blue Sea Systems DC Digital Voltmeter with Alarm - 8251
$282.10$253.95 -
19% off
Faria 6-Gauge Inboard Boxed Set
$432.57 - $465.69$372.68 - $432.57 -
6% off
Aqualarm Low Oil Pressure Detector - 20111
$27.58$25.69 -
9% off
Blue Sea Systems High Temperature Sensor - 1821
$21.92$19.79 -
20% off
Faria Chesapeake SS White 6-Gauge Inboard Boxed Set - KTF063
$581.60$462.94 -
6% off
Aqualarm Fire Panel - 20227
$40.60$37.80 -
9% off
Maretron Pressure Snubber - PT-SNUB-01
$105.46$94.98 -
19% off
VDO Allentare Pitot Speedometer Gauge - Illuminated
$42.00 - $62.71$33.72 - $50.29 -
19% off
VDO Allentare Trim Gauge - Illuminated
$21.30$17.16 -
19% off
VDO Marine Viewline Ivory Oil Pressure Gauge - A2C53413311-S
$77.88$62.42 -
19% off
VDO Marine Viewline Ivory Pyrometer - A2C53210905-S
$113.94$91.28 -
19% off
VDO Marine Viewline Ivory Trim Gauge - A2C53417261-S
$42.00$33.72 -
44% off
Sea-Dog Instrument Hole Adapter - 4"
$13.00$7.28 -
19% off
SeaStar Solutions Amega Series 60A Ammeter - 68356P
$50.26$40.33 -
21% off
SeaStar Solutions Arctic Series 4000 RPM Tachometer - 68373P
$115.12$89.88 -
19% off
SeaStar Solutions Arctic Series Oil Pressure Gauge - 68367P
$47.50$38.12 -
19% off
SeaStar Solutions Arctic Series Water Temperature Gauge - 68376P
$58.54$46.95 -
9% off
Fireboy Waterproof Horn & Strobe Light Kit - WPS-24V
$450.48$405.49 -
9% off
Fireboy External Fire Bell
$371.82 - $450.48$334.70 - $405.50 -
14% off
Veratron ViewLine Transmission Oil Pressure Gauge - 52 mm (2 1/16")
$72.15 - $106.18$61.41 - $106.18 -
14% off
Veratron ViewLine Voltmeter - 52 mm (2 1/16")
$72.15$61.41 - $68.57 -
14% off
Veratron ViewLine Port/Starboard Rudder Angle Gauge - 52 mm (2 1/16")
$72.15$61.41 -
19% off
Faria Chesapeake SS 6-Gauge Inboard Boxed Set
$462.93 - $464.31$371.57 - $462.93
About Gauges
Replace your gauges... .We have what you need!
Boat gauges will fail at some point, and when you are ready for replacement gauges Defender has got you covered! From diesel engine gauges to outboard motor gauges, all you need to do is measure the one you have and order a new one on line!
Custom gauge sets to single gauges for every application at Defender.
Defender offers several boxed sets of marine gauges as well as fuel, speed, tachometers, hour meters and temperature gauges. Digital multi gauges are available as well as single products in black, white or chrome, most with custom bezels. Defender Marine even offers a media player gauge with Bluetooth! Whatever you need you?ll find it here!