Welcome to Defender Canada! 
Seals, Gaskets & Plugs
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Sierra Fuel Sender Gasket 5-Hole Unit - 64082
$9.08 -
Sierra Mercruiser Exhaust Elbow Gaskets (2-Pack) - 18-0672-9
$32.78 -
Sierra Mercruiser Exhaust Elbow Gaskets (2-Pack) - 18-2849-9-1
$28.58 -
Sierra OMC Exhaust Manifold Gasket (2-Pack) - 18-2949-9
$35.58 -
9% offSen-Dure Heat Exchanger Replacement Rubber Washer
$6.18$5.62 -
Sierra Mercruiser Intake Gasket Set - 18-0403
$115.38 -
Sierra Mercruiser Intake Gasket Set - 18-0404
$102.78 -
Sierra Mercruiser Oil Pan Gasket Set - 18-0405
$62.20 -
Sierra Mercruiser Intake Gasket Set - 18-0487
$113.98 -
Sierra Johnson/Evinrude Head Gasket - 18-0492
$59.38 -
Sierra Chrysler Intake Manifold Gasket Set - 18-0607
$74.78 -
Sierra Mercury/Yamaha Plenum Gasket Set - 18-0663
$63.58 -
Sierra Mercruiser Valve Cover Gasket - 18-0685
$49.58 -
Sierra Johnson/Evinrude Base Gasket - 18-0692
$35.58 -
Sierra Johnson/Evinrude Intake Gasket - 18-0693
$36.98 -
Sierra Johnson/Evinrude Intake Gasket - 18-0694
$35.58 -
Sierra Mercruiser Closed Dry Joint Riser Gasket - 18-0720
$73.38 -
Sierra Mercruiser Open Dry Joint Riser Gasket - 18-0721
$88.78 -
Sierra Mercruiser Restricted Dry Joint Riser Gasket - 18-0722
$74.78 -
Sierra Johnson/Evinrude Base Adapter to Powerhead Gasket - 18-0965
$31.38 -
Sierra Mercruiser Oil Pan Gasket - 18-1237
$60.80 -
Sierra Mercruiser Vortec Head Gasket Set - 18-1254
$235.78 -
Sierra Velvet Drive Transmission Overhaul Kit - 18-2591
$522.82 -
Sierra Mercury Block Cover Gasket - 18-2810-9
$35.58 -
Sierra Volvo/Penta Exhaust Manifold Gaskets (2-Pack) - 18-2902-1-9
$32.78 -
Sierra GM V6 Exhaust Manifold Gaskets (2-Pack) - 18-2909-9
$25.03 -
Sierra Chrysler Head Gasket - 18-3878
$55.18 -
Sierra Mercruiser Exhaust Manifold Gasket - 18-4367
$39.78 -
Sierra Mercruiser Gasket Overhaul Set - 18-4384
$193.78 -
Sierra Mercruiser Head Gasket Set - 18-4388
$486.40 -
Sierra Mercury Powerhead Gasket Set - 18-64217
$234.38 -
Sierra Mercury Lower Unit Seal Kit - 18-8382
$45.38 -
Sierra Dual Water Pickup Seal - 18-9895
$52.38 -
Sierra V8 Small Block Freeze Plug Kit - 18-56481
$67.78 -
Sierra Mercruiser Transom Seal Kit - 18-8206-1
$333.82 -
Sierra Mercruiser Transom Seal Kit - 18-8213
$276.42 -
Sierra Mercruiser Transom Seal Kit - 18-8217
$339.41 -
Sierra Mercruiser Transom Seal Kit - 18-8218
$340.82 -
Sierra Mercruiser Transom Seal Kit - 18-8219
$384.22