Welcome to Defender Canada! 
Instrument Transducer & Sensor Accessories
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Airmar UST800/850 NMEA 2000 Ultrasonic Processor - UST8-ECP
$1,173.62 -
Airmar U200 NMEA 2000 to USB Gateway - WS2-USB
$897.61 -
Airmar UST850 Ultrasonic Smart Sensor Insert - UST850-INS
$807.92 -
Airmar B122 B&G Replacement Plastic Insert - B122-170-INS-BG
$464.88 -
Airmar SS571 Stainless Steel Replacement Stuffing Tube - 33-541-01
$416.48 -
Airmar SS617V Stainless Low-Profile Housing with Integrated Valve - 33-617-01
$311.11 -
B&G WS700 Vertical Masthead Unit Top Bracket - BGH030008
$304.18 -
Airmar Apelco/Raytheon 7-Pin Extension Cable - 19.5' (6 m) - M99001-26-20
$269.70 -
Airmar B122 Bronze Long Stem Retractable Housing - B122-HSG
$232.25 -
Airmar DT800 Bronze Installation Kit - 20-398-02
$230.60 -
B&G WS300 Wind Vane Mast Cable - 000-14397-001
$222.79 -
Airmar ST850 B&G Replacement Insert with Valve - ST850-INS-BG
$206.24 -
Simrad Pole Mount Kit for HS75 GNSS Compass - 000-15686-001
$202.06 -
Airmar B120 Bronze Low-Profile Housing - 33-340-01
$200.71 -
Airmar ST800 FISO 5-Pin Replacement Insert - ST800-INS
$192.42 -
Airmar B17 Bronze Housing - 33-100
$166.20 -
Airmar ST300 Replacement Insert - ST300-INS-0
$128.25 -
Airmar DX900 Installation Kit and Housing - 20-1256-01
$104.10 -
Airmar Wiring Box with Screw Terminals - 33-035-BOX
$90.37 -
Airmar P617V Plastic Low-Profile Housing with Valve - 33-510-01
$78.47 -
Airmar ST800 Installation Kit - 20-410-01
$77.04 -
Airmar P398 Shorty Sensor Speed/Temperature Taper-Flush Housing - 33-444-02
$76.50 -
Furuno Pipe Mount Kit for GP330B - 001-041-560
$69.58 -
Airmar ST850 Paddlewheel & Valve Kit - 33-536-01
$57.18 -
Airmar ST850 Blanking Plug Assembly - 33-522-01
$45.63 -
Airmar Gen2 DST810/ST900/ST950 Replacement Paddlewheel - 33-HP-PADDLEWHEEL
$42.58 -
Airmar Stuffing Tube Bushings - 20-488-01
$42.11 -
Airmar Shorty Sensor Speed/Temperature Low-Profile Housing - 33-361-01
$42.00 -
Airmar ST-800 Paddlewheel Kit - 33-493-01
$39.24 -
Airmar ST300 Shorty Blanking Plug Assembly - 33-386-01
$39.24 -
Airmar ST600 Blanking Plug Assembly - 20-600
$38.20 -
Airmar Raymarine ST600 Spare Wheel Kit - 33-250
$37.86 -
Airmar B55 Speed Only Thru-Hull Triducer Spare - 33-125
$36.82 -
Airmar Replacement Blanking Plug Assembly with Valve - 33-482-01
$34.91 -
Airmar ST800 Blanking Plug Assembly - 33-481-01
$33.04 -
Airmar P39 Transom Wheel Assembly - 33-473-01
$32.34 -
Airmar S63/P37/P52 Spare Wheel Kit - 33-110
$32.34 -
Airmar Replacement Blanking Plug Assembly without Valve - 33-486-01
$31.65 -
Airmar P217 Plastic Flush Mount Housing - 33-217
$31.65 -
Airmar P17 Plastic Low-Profile Housing - 33-417
$31.65 -
Airmar P317 Plastic Taper-Flush Housing - 33-092-01
$31.65 -
Airmar P39 Replacement Bracket Kit - 33-477-01
$31.65 -
Airmar B122 Low-Profile Flange Adapter Ring - 33-634-02
$31.65 -
Airmar ST650 Valve Assembly - 20-603
$29.58 -
Airmar P8 Shorty Sensor Low-Profile Housing - 33-360-01
$28.54 -
Airmar ST-550/100 Spare Wheel Kit - 33-108
$28.54 -
Airmar P65/ST69 Transducer Paddlewheel Kit - 33-398-01
$27.51 -
Airmar P32 Spare Wheel Kit
$27.51