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Free Shipping over $99

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Free Shipping over $99

Orders $99 or more ship free within the contiguous U.S.
May not apply to engines or oversized orders.

Shipping Policy

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Earn up to 1.5 points for every $1 spent. That’s up to 4.5% back that you can redeem and save on future orders. Excludes engine sales.

Start Saving Now

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Ready To Serve

Our top priority is your ultimate satisfaction, and to get you back to boating as soon as possible.

Contact a Parts Pro

Sierra Gaskets - O-Rings - Seal Kits

(107 products)
  • Sierra - Lower Unit Seal Kit 25/30 - 8341

    SIERRA

    Sierra - Lower Unit Seal Kit 25/30 - 8341

    $32.82
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  • Sierra - Lower Unit Seal Kit 75/85 Hp - 8340

    SIERRA

    Sierra - Lower Unit Seal Kit 75/85 Hp - 8340

    $33.16
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  • Sierra - Johnson/Evinrude Gear Hsg Seal Kit - 2684

    SIERRA

    Sierra - Johnson/Evinrude Gear Hsg Seal Kit - 2684

    $36.84 $39.19
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  • Sierra - Johnson/Evinrude Gear Hsg Seal Kit - 2692

    SIERRA

    Sierra - Johnson/Evinrude Gear Hsg Seal Kit - 2692

    $73.72 $92.89
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  • Sierra - Johnson/Evinrude Gear Hsg Seal Kit - 2682

    SIERRA

    Sierra - Johnson/Evinrude Gear Hsg Seal Kit - 2682

    $65.90
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  • Sierra - Gear Housing Seal Kit Johnson/Evinrudevinru - 2681

    SIERRA

    Sierra - Gear Housing Seal Kit Johnson/Evinrudevinru - 2681

    $64.67
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  • Sierra - Gear Housing Seal Kit Johnson/Evinrudevinru - 2683

    SIERRA

    Sierra - Gear Housing Seal Kit Johnson/Evinrudevinru - 2683

    $43.93 $49.39
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  • Sierra - Gearhousing Seal Kit - 0028

    SIERRA

    Sierra - Gearhousing Seal Kit - 0028

    $34.45
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  • Sierra - Gearhousing Seal Kit - 0029

    SIERRA

    Sierra - Gearhousing Seal Kit - 0029

    $29.53
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  • Sierra - Gearhousing Seal Kit - 0030

    SIERRA

    Sierra - Gearhousing Seal Kit - 0030

    $29.22
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  • Sierra - Gearhousing Seal Kit - 0021

    SIERRA

    Sierra - Gearhousing Seal Kit - 0021

    $71.62
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  • Sierra - Gearhousing Seal Kit - 0023

    SIERRA

    Sierra - Gearhousing Seal Kit - 0023

    $51.88
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  • Sierra - Gear Housing Seal Kit Johnson/Evinrudevinru - 2680

    SIERRA

    Sierra - Gear Housing Seal Kit Johnson/Evinrudevinru - 2680

    $52.50
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  • Sierra - Gearhousing Seal Kit - 0022

    SIERRA

    Sierra - Gearhousing Seal Kit - 0022

    $39.45
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  • Sierra - Gasket Thermostat Suzuki #11319-91J00 - 0792

    SIERRA

    Sierra - Gasket Thermostat Suzuki #11319-91J00 - 0792

    $1.57
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  • Sierra - Drain Screw O-Ring (Priced Per - 42539

    SIERRA

    Sierra - Drain Screw O-Ring (Priced Per - 42539

    $2.97 $3.59
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  • Sierra - Clutch Housing Seal Kit - 2698

    SIERRA

    Sierra - Clutch Housing Seal Kit - 2698

    $44.00 $50.79
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  • Sierra - 982947 OMC Seal Kit - 2664

    SIERRA

    Sierra - 982947 OMC Seal Kit - 2664

    $53.26
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  • Sierra - 688-W0001-20 Yamaha Seal Kit - 2798

    SIERRA

    Sierra - 688-W0001-20 Yamaha Seal Kit - 2798

    $68.16
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  • Sierra - 321119 O-Ring - 7142

    SIERRA

    Sierra - 321119 O-Ring - 7142

    $0.93
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  • Sierra - 25-62700 MC O-RING @2 - 0860

    SIERRA

    Sierra - 25-62700 MC O-RING (Sold Individually) - 0860

    $3.33
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  • Sierra - SEAL KIT TRANSOM MC30-803098T1 - 8205

    SIERRA

    Sierra - SEAL KIT TRANSOM MC30-803098T1 - 8205

    $313.49
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  • Sierra - Seal Kit-Injector GM L29 7.4Mp - 7693

    SIERRA

    Sierra - Seal Kit-Injector GM L29 7.4Mp - 7693

    $5.03 $5.89
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  • Sierra - O-Ring (Sold Individually) OMC 302337 55-207 - 7162

    SIERRA

    Sierra - O-Ring (Sold Individually) OMC 302337 55-207 - 7162

    $2.35 $2.55
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  • Sierra - O-Ring Volvo 955974-1 (Sold Individually) - 7193

    SIERRA

    Sierra - O-Ring Volvo 955974-1 (Sold Individually) - 7193

    $3.35
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  • Sierra - O-Ring OMC 302493 55-242 - 7112

    SIERRA

    Sierra - O-Ring OMC 302493 55-242 - 7112

    $3.33
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  • Sierra - O-Ring 314728 55-263 - 7130

    SIERRA

    Sierra - O-Ring 314728 55-263 - 7130

    $1.91 $3.39
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  • Sierra - O-Ring OMC 911704 - 2541

    SIERRA

    Sierra - O-Ring OMC 911704 - 2541

    $11.18 $11.89
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  • Sierra - O-Ring OMC 553126 @5 55-276 - 7172

    SIERRA

    Sierra - O-Ring OMC 553126 (Sold Individually) 55-276 - 7172

    $5.14
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  • Sierra - O-Ring - 7963

    SIERRA

    Sierra - O-Ring - 7963

    $12.78 $13.29
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  • Sierra - Lower Unit Seal Kit - 27941

    SIERRA

    Sierra - Lower Unit Seal Kit - 27941

    $129.57
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  • Sierra - Johnson/Evinrude Gear Hsg Seal Kit - 2685

    SIERRA

    Sierra - Johnson/Evinrude Gear Hsg Seal Kit - 2685

    $77.64
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  • Sierra - GSKT 70-90HP EX PLT 27-43008-6 - 0341

    SIERRA

    Sierra - GSKT 70-90HP EX PLT 27-43008-6 - 0341

    $12.24 $13.99
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  • Sierra - Gasket OMC 330909 - 0159

    SIERRA

    Sierra - Gasket OMC 330909 - 0159

    $14.42
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  • Sierra - 6H4-W0001-21 Yamaha Seal Kit - 2792

    SIERRA

    Sierra - 6H4-W0001-21 Yamaha Seal Kit - 2792

    $48.89 $51.49
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