Welcome to Defender Canada! 
Seals, Gaskets & Plugs
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Sierra Yamaha Powerhead Gasket Set - 18-99176
$330.52 -
Sierra Dual Water Pickup Seal - 18-9895
$58.39 -
Sierra Mercury Lower Unit Seal Kit - 18-8382
$49.93 -
Sierra Mercruiser Transom Seal Kit - 18-8219
$420.80 -
Sierra Mercruiser Transom Seal Kit - 18-8213
$302.36 -
Sierra Mercruiser Transom Seal Kit - 18-8217
$371.44 -
Sierra Mercruiser Transom Seal Kit - 18-8218
$374.27 -
Sierra Mercruiser Transom Seal Kit - 18-8206-1
$365.81 -
Sierra Mercury Powerhead Gasket Set - 18-64217
$258.61 -
Sierra V8 Small Block Freeze Plug Kit - 18-56481
$73.90 -
Sierra Mercruiser Exhaust Manifold Gasket - 18-4367
$44.29 -
Sierra Mercruiser Gasket Overhaul Set - 18-4384
$213.49 -
Sierra Mercruiser Gasket Overhaul Set - 18-4387
$630.85 -
Sierra Mercruiser Head Gasket Set - 18-4388
$537.81 -
Sierra Mercury Powerhead Gasket Set - 18-4359
$226.20 -
Sierra Chrysler Head Gasket - 18-3878
$61.21 -
Sierra Volvo/Penta Exhaust Manifold Gaskets (2-Pack) - 18-2902-1-9
$35.83 -
Sierra GM V6 Exhaust Manifold Gaskets (2-Pack) - 18-2909-9
$27.26 -
Sierra OMC Exhaust Manifold Gasket (2-Pack) - 18-2949-9
$35.83 -
Sierra Mercury Block Cover Gasket - 18-2810-9
$38.65 -
Sierra Mercruiser Exhaust Elbow Gaskets (2-Pack) - 18-2849-9-1
$31.60 -
Sierra Velvet Drive Transmission Overhaul Kit - 18-2591
$573.08 -
Sierra Yamaha Trim Seal - 18-2082
$24.26 -
Sierra Mercruiser Vortec Head Gasket Set - 18-1254
$260.02 -
Sierra Johnson/Evinrude Base Adapter to Powerhead Gasket - 18-0965
$34.42 -
Sierra Mercruiser Oil Pan Gasket - 18-1237
$66.87 -
Sierra Johnson/Evinrude Intake Gasket - 18-0693
$41.47 -
Sierra Mercruiser Closed Dry Joint Riser Gasket - 18-0720
$71.08 -
Sierra Mercruiser Open Dry Joint Riser Gasket - 18-0721
$82.36 -
Sierra Mercruiser Restricted Dry Joint Riser Gasket - 18-0722
$80.95 -
Sierra Chrysler Intake Manifold Gasket Set - 18-0607
$82.36 -
Sierra Mercury/Yamaha Plenum Gasket Set - 18-0663
$69.67 -
Sierra Mercruiser Exhaust Elbow Gaskets (2-Pack) - 18-0672-9
$35.83 -
Sierra Mercruiser Valve Cover Gasket - 18-0685
$54.16 -
Sierra Johnson/Evinrude Base Gasket - 18-0692
$38.65 -
Sierra Mercruiser Intake Gasket Set - 18-0404
$114.79 -
Sierra Mercruiser Oil Pan Gasket Set - 18-0405
$68.28 -
Sierra Mercruiser Intake Gasket Set - 18-0487
$126.07 -
Sierra Johnson/Evinrude Head Gasket - 18-0492
$72.49 -
Sierra OMC One Piece Rear Main Oil Seal - 18-0519
$47.11 -
Sierra Mercruiser Oil Pan Gasket Set - 18-0348
$48.52 -
Sierra Mercury Powerhead Base Gasket - 18-0378
$64.03 -
Sierra Mercruiser Intake Gasket Set - 18-0403
$127.48 -
Trident Marine TRL Series 90 deg. Molded Rubber Wet Exhaust Reducing Elbow Connector
$99.32 - $168.41 -
Trident Marine 272X Series Silicone Reinforced Wet Exhaust Hump Hose Bellow
$82.36 - $697.17 -
Trident Marine 292X Series 90 deg. Silicone Reinforced Wet Exhaust Elbow Connector
$71.10 - $227.63 -
Trident Marine 270X Series Silicone Molded Wet Exhaust Reducing Hump Hose Bellow
$564.62 - $619.61 -
Trident Marine 272V Series Silicone Reinforced Wet Exhaust Hump Hose Bellow
$47.11 - $575.91