Welcome to Defender Canada! 
Seals, Gaskets & Plugs
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Sierra Mercruiser Gasket Overhaul Set - 18-4387
$670.33 -
Sierra Velvet Drive Transmission Overhaul Kit - 18-2591
$557.57 -
Sierra Mercruiser Head Gasket Set - 18-4388
$519.48 -
Sierra Mercruiser Transom Seal Kit - 18-8219
$420.80 -
Sierra Mercruiser Transom Seal Kit - 18-8217
$396.82 -
Sierra Mercruiser Transom Seal Kit - 18-8218
$364.40 -
Sierra Mercruiser Transom Seal Kit - 18-8206-1
$355.94 -
Sierra Yamaha Powerhead Gasket Set - 18-99176
$350.26 -
Sierra Mercruiser Transom Seal Kit - 18-8213
$302.36 -
Sierra Mercury Powerhead Gasket Set - 18-64217
$274.12 -
Sierra Mercruiser Vortec Head Gasket Set - 18-1254
$250.15 -
Sierra Mercury Powerhead Gasket Set - 18-4359
$240.30 -
Sierra Mercruiser Gasket Overhaul Set - 18-4384
$206.44 -
Sierra Mercruiser Intake Gasket Set - 18-0403
$126.07 -
Sierra Mercruiser Intake Gasket Set - 18-0404
$121.84 -
Sierra Mercruiser Intake Gasket Set - 18-0487
$121.84 -
Sierra Mercruiser Open Dry Joint Riser Gasket - 18-0721
$95.05 -
Sierra Chrysler Intake Manifold Gasket Set - 18-0607
$80.95 -
Sierra Mercruiser Closed Dry Joint Riser Gasket - 18-0720
$79.54 -
Sierra Mercruiser Restricted Dry Joint Riser Gasket - 18-0722
$79.54 -
Sierra Mercruiser Oil Pan Gasket Set - 18-0405
$76.74 -
Sierra Mercury/Yamaha Plenum Gasket Set - 18-0663
$76.72 -
Sierra V8 Small Block Freeze Plug Kit - 18-56481
$73.90 -
Sierra Johnson/Evinrude Head Gasket - 18-0492
$72.49 -
Sierra Mercury Powerhead Base Gasket - 18-0378
$69.67 -
Sierra Dual Water Pickup Seal - 18-9895
$65.44 -
Sierra Mercruiser Oil Pan Gasket - 18-1237
$64.05 -
Sierra Mercruiser Valve Cover Gasket - 18-0685
$59.80 -
Sierra Chrysler Head Gasket - 18-3878
$58.39 -
Sierra Mercury Lower Unit Seal Kit - 18-8382
$45.70 -
Sierra Mercruiser Oil Pan Gasket Set - 18-0348
$45.70 -
Sierra OMC One Piece Rear Main Oil Seal - 18-0519
$44.29 -
Sierra Mercruiser Exhaust Manifold Gasket - 18-4367
$41.47 -
Sierra Johnson/Evinrude Intake Gasket - 18-0693
$37.24 -
Sierra Johnson/Evinrude Intake Gasket - 18-0694
$37.24 -
Sierra Johnson/Evinrude Base Gasket - 18-0692
$35.83 -
Sierra Mercury Block Cover Gasket - 18-2810-9
$35.83 -
Sierra OMC Exhaust Manifold Gasket (2-Pack) - 18-2949-9
$34.42 -
Sierra Mercruiser Exhaust Elbow Gaskets (2-Pack) - 18-0672-9
$34.42 -
Sierra Volvo/Penta Exhaust Manifold Gaskets (2-Pack) - 18-2902-1-9
$34.42 -
Sierra Johnson/Evinrude Base Adapter to Powerhead Gasket - 18-0965
$33.01 -
Sierra Mercruiser Exhaust Elbow Gaskets (2-Pack) - 18-2849-9-1
$28.78 -
Sierra GM V6 Exhaust Manifold Gaskets (2-Pack) - 18-2909-9
$25.67 -
Sierra Yamaha Trim Seal - 18-2082
$22.75 -
Sierra Fuel Sender Gasket 5-Hole Unit - 64082
$9.31