Shopping from Canada? 
Go to Defender Canada!
Deals
-
Fireboy 1 Channel Gasoline Fume Detector with Blower Control
$365.99 - $398.99 -
10% off
Fireboy CMD6 Marine Carbon Monoxide Alarm Interconnect
$169.99$152.99 - $169.99 -
10% off
Fireboy Propane Gas and Gasoline Sensor
$152.99 - $208.99$152.99 - $208.99 -
46% offXantrex 12V Lithium Ion Iron Phosphate Battery
$849.00 - $1,799.00$449.99 - $1,799.00 -
10% off
Fireboy Single Channel Propane Fume Detector with 1 Sensor
$349.99 - $357.99$314.99 - $322.19 -
10% offFireboy 2 Channel Gasoline Fume Detector with Blower Control
$621.99 - $636.99$559.79 - $636.99 -
NOCO Group 24 Battery Box - BG24
$15.99 -
10% offFireboy Methane Fume Detector LED Display
$720.99 - $811.99$648.89 - $811.99 -
49% off
Gill UV Tec T-Shirt
$36.95 - $37.95$18.48 - $37.95 -
9% off
Ancor Marine Tinned Copper Battery Cable - 8 AWG
$1.05$0.95 -
19% off
Gill Graphic T-Shirt
$24.95$19.98 -
51% off
Gill UV Tec Long Sleeve T-Shirt
$39.95 - $42.95$20.66 - $39.95 -
40% off
Gill XPEL Tec Long Sleeve Top
$39.95$23.97 -
10% offFireboy MS-3 Methane Gas Sensor Extension Cable
$76.99 - $201.99$76.49 - $201.99 -
25% offGrundens Commercial Boat Tech T-Shirt
$39.99$29.99 -
40% offGill Women's XPEL Tec Long Sleeve Top
$39.95$23.97 -
40% off
Gill XPEL Tec Pullover Hoody
$44.95$26.97 -
10% offMaretron Run Indicator Module - RIM100-01
$347.99$313.19 -
49% off
Helly Hansen Logo Hoody
$85.00$42.66 -
10% offBlue Sea Systems Powerpost Plus Cable Connector
$27.99$25.19 - $27.99 -
10% off
Blue Sea Systems Dual Entry Cable Cap
$11.25$10.22 - $11.25 -
25% offGrundens Displacement DWR Trapper Hoody
$79.99$59.99 -
40% off
Gill Women's XPEL Tec Pullover Hoody
$44.95$26.97 -
18% offTorqeedo Replacement/Spare 320 Wh Battery with USB Port - 1416-00
$599.00$487.99 -
49% offGill Long Sleeve Holcombe Crew
$38.99$19.50 -
74% offOceanic Systems 3412 DC Current Transformer 0-200A
$64.99$16.25 -
10% offPower-Tec 12V AGM Deep Cycle Marine Battery - Group 22 - 8A22NF
$229.99$206.99 -
10% offPower-Tec Deep Cycle Marine Battery - 12V AGM/Group 34 - 9A34M
$260.99$234.89 -
15% offRolls Flooded Deep Cycle Group 24 Marine Battery - 12FS24
$283.99$241.39 -
10% offRolls Flooded Deep Cycle Group 27 Marine Battery - 12FS27
$327.99$295.19 -
10% offRolls Flooded Deep Cycle Group 31 Marine Battery - 12FS31
$343.99$309.59 -
25% offMaretron Vacuum Switch - VS-07.0HG
$91.99$68.65 -
51% offGill Women's UV Tec Long Sleeve T-Shirt
$42.95$20.66 -
49% offGrundens Displacement DWR Pullover Hoody
$74.99$37.50 -
10% offGel-Tech Deep Cycle Marine Battery - Group 24 - 8G24M
$365.99$329.39 -
10% offGel-Tech Deep Cycle Marine Battery - Group 27 - 8G27M
$438.99$395.09 -
45% offGrundens Boat Logo Long Sleeve T-Shirt
$29.99$16.49 -
Curt 1/2" Hitch Lock with 5/8" Adapter - 23024
$16.21 -
Curt Hitch & Tri-Ball Coupler Lock Set - 23083
$35.99 -
Curt Universal Trailer Coupler Lock - 23090
$25.99 -
Curt Trailer Coupler Lock - 23079
$48.99 -
Curt Universal Tri-Ball Trailer Coupler Lock - 23082
$22.99 -
Curt Hitch Lock - 5/8"
$18.92 - $31.99 -
NOCO Group 24 Dual Purpose Lithium Battery - 90Ah - NLX24
$899.95 -
NOCO Group 27 Dual Purpose Lithium Battery - 100Ah - NLX27
$999.95 -
NOCO Group 31 Dual Purpose Lithium Battery - 120Ah - NLX31
$1,299.95 -
15% offNewmar DC Power Stabilizing Converter
$238.99 - $395.99$203.14 - $395.99 -
Xantrex Heater Blanket for 105AH and 125AH Batteries - 881-0180-12
$132.99