Shopping from Canada? 
Go to Defender Canada!
Sierra
-
Sierra Mercruiser Dry Joint Exhaust Manifold - 18-1843
$447.99 -
Sierra Mercruiser Dry Joint Exhaust Elbow - 18-1845
$378.99 -
Sierra Mercruiser Dry Joint Spacer Kit - 3" - 18-1844K
$601.99 -
Sierra Mercruiser GM Big Block Exhaust Manifold - 18-1957-2
$291.99 -
Sierra 10W-30 4 Stroke Marine Outboard Engine Oil
$13.37 - $42.99 -
Sierra Mercruiser Dry Joint Spacer Kit - 3" - 18-1847K
$667.99 -
Sierra Spark Plug Wire Set for OMC Sterndrive/Cobra Stern Drives - 18-8807-1
$50.99 -
Sierra Mercruiser V6 Dry Joint Exhaust Manifold - 18-1842
$346.99 -
Sierra Synthetic Gear Lube
$23.99 -
Sierra Chrysler Exhaust Manifold Riser - 18-1946
$121.99 -
Sierra Mercruiser Spark Plug Wire Set - 18-8828-1
$110.99 -
Sierra Mercruiser Closed Dry Joint Riser Gasket - 18-0720
$49.99 -
Sierra Mercruiser Exhaust Elbow Riser - 18-1970-2
$253.99 -
Sierra Chrysler V8 Spark Plug Wire Set - 18-8824-1
$76.99 -
Sierra Crusader Spark Plug Wire Set - 18-8844-1
$68.99 -
Sierra Spark Plug Wire Set - 18-8800-1
$45.99 -
Sierra Spark Plug Wire Sets - 18-8802-1
$57.99 -
Sierra Mercruiser Exhaust Elbow Gaskets (2-Pack) - 18-0672-9
$24.99 -
Sierra Johnson/Evinrude Spark Plug Wire Set - 18-8840-1
$55.99 -
Sierra Mercruiser Restricted Dry Joint Riser Gasket - 18-0722
$56.99 -
Sierra Mercruiser Black Scorpion Spark Plug Wire Set - 18-8822-1
$79.99 -
Sierra Hydro Defense Marine Grease - 8 oz - 18-9220-0
$11.15 -
Sierra Johnson/Evinrude Spark Plug Wire Set
$44.99 - $55.99 -
Sierra Blue Premium TC-W3 2-Cycle Engine Oil
$10.27 - $55.99 -
Sierra Premium Lower Unit Gear Lube
$10.50 - $14.63 -
Sierra 4 Stroke Outboard Synthetic Oil 10W30
$19.99 - $68.99 -
Sierra Mercruiser Open Dry Joint Riser Gasket - 18-0721
$57.99 -
Sierra Mercruiser Exhaust Elbow Gaskets (2-Pack) - 18-2849-9-1
$21.99 -
Sierra Mercruiser Exhaust Elbow Mounting Kit - 18-8555
$58.99 -
Sierra Hi-Performance Synthetic Blend Lower Unit Gear Lube
$12.11 - $16.78 -
Sierra Volvo/Penta Exhaust Bellows - 18-1076
$44.99 -
Sierra Mercury Spark Plug Wire - 18-28083
$18.21 -
Sierra GM V6 Exhaust Manifold Gaskets (2-Pack) - 18-2909-9
$18.91 -
Sierra Chrysler Exhaust Manifold Riser - 18-1945
$166.99 -
Sierra Mercury Spark Plug Wires (set of 4) - 18-28085
$59.99 -
Sierra Volvo/Penta Exhaust Manifold Gaskets (2-Pack) - 18-2902-1-9
$24.99 -
Sierra Chrysler Small Block V8 Exhaust Manifold Mounting Kit - 18-8527
$57.99 -
Sierra Mercruiser Spark Plug Wire Set - 18-8835-1
$68.99 -
Sierra Type C Gear Lube
$17.67 - $18.69 -
Sierra Spark Plug Wire Set - 18-8810-1
$50.99 -
Sierra Mercury/Yamaha Plenum Gasket Set - 18-0663
$48.99 -
Sierra Crusader GM Big Block V8 Exhaust Manifold - 18-1929
$356.99 -
Sierra Mercury Spark Plug Wires (Set of 6) - 18-28081
$67.99 -
Sierra Ford Small Block V8 Exhaust Manifold Mounting Kit - 18-8538
$26.99 -
Sierra Johnson/Evinrude Spark Plug Wire Set - 18-8839-1
$44.99 -
Sierra Pro Performance Grease (4-Pack) - 18-9200-4
$23.99 -
Sierra 25W-40 4 Stroke Marine Stern Drive Engine Oil
$13.94 - $63.99 -
Sierra 25W40 FC-W Synthetic Blend Engine Oil
$15.06 - $73.99