Welcome to Defender Canada! 
Seals, Gaskets & Plugs
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Sierra Mercruiser Oil Pan Gasket Set - 18-0348
$57.99 -
Sierra Mercury Powerhead Base Gasket - 18-0378
$80.90 -
Sierra Mercruiser Oil Pan Gasket Set - 18-0405
$82.93 -
Sierra Johnson/Evinrude Head Gasket - 18-0492
$79.59 -
Sierra Johnson/Evinrude Base Adapter to Powerhead Gasket - 18-0965
$41.60 -
Sierra Mercruiser Oil Pan Gasket - 18-1237
$79.88 -
Sierra Mercruiser Vortec Head Gasket Set - 18-1254
$304.92 -
Sierra Yamaha Trim Seal - 18-2082
$27.83 -
Sierra Mercury Block Cover Gasket - 18-2810-9
$45.95 -
Sierra Chrysler Head Gasket - 18-3878
$73.65 -
Sierra Mercury Powerhead Gasket Set - 18-4359
$262.87 -
Sierra Mercruiser Gasket Overhaul Set - 18-4384
$246.92 -
Sierra Mercruiser Gasket Overhaul Set - 18-4387
$771.68 -
Sierra Mercruiser Head Gasket Set - 18-4388
$653.50 -
Sierra Mercury Powerhead Gasket Set - 18-64217
$306.23 -
Sierra Mercury Lower Unit Seal Kit - 18-8382
$60.45 -
Sierra Yamaha Powerhead Gasket Set - 18-99176
$397.58