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MARINE OILS / CHEMICALS

    SIERRA ENGINE OIL SAE 25W50 4L S-SYNT (18-9552-3)

    SIERRA
    Original price $82.99 - Original price $82.99
    Original price $82.99
    $82.99
    $82.99 - $82.99
    Current price $82.99

    4-Cycle Oil / 25W-50 Verado ®

    Original price $82.99 - Original price $82.99
    Original price $82.99
    $82.99
    $82.99 - $82.99
    Current price $82.99
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    SIERRA MOTOR FLUSHER (18-9010)

    SIERRA
    Original price $28.99 - Original price $28.99
    Original price $28.99
    $28.99
    $28.99 - $28.99
    Current price $28.99

    Replaces : Mercury Marine 44357A2 Replaces : Mercury Marine 44357Q2 Replaces : Mercury Marine 73971A2

    Original price $28.99 - Original price $28.99
    Original price $28.99
    $28.99
    $28.99 - $28.99
    Current price $28.99

    SIERRA GREASE GUN (18-9783)

    SIERRA
    Original price $78.99 - Original price $78.99
    Original price $78.99
    $78.99
    $78.99 - $78.99
    Current price $78.99

    Original price $78.99 - Original price $78.99
    Original price $78.99
    $78.99
    $78.99 - $78.99
    Current price $78.99
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    SIERRA GREASE FILLER ADAPTEUR (18-81006)

    SIERRA
    Original price $27.99 - Original price $27.99
    Original price $27.99
    $27.99
    $27.99 - $27.99
    Current price $27.99

    Original price $27.99 - Original price $27.99
    Original price $27.99
    $27.99
    $27.99 - $27.99
    Current price $27.99

    SIERRA ENGINE FLUSHER RECTANGULAR CUPS (18-8998-1)

    SIERRA
    Original price $20.99 - Original price $20.99
    Original price $20.99
    $20.99
    $20.99 - $20.99
    Current price $20.99

    Engine Flusher - Rectangular Cups

    Original price $20.99 - Original price $20.99
    Original price $20.99
    $20.99
    $20.99 - $20.99
    Current price $20.99

    SIERRA GEAR LUBRICANT PUMP KIT (18-9650-2QP)

    SIERRA
    Original price $47.99 - Original price $47.99
    Original price $47.99
    $47.99
    $47.99 - $47.99
    Current price $47.99

    Application: For use in high performance and high load operating conditions in both outboard and I/O lower units. Synthetic blended marine formula...

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    Original price $47.99 - Original price $47.99
    Original price $47.99
    $47.99
    $47.99 - $47.99
    Current price $47.99

    SIERRA POWER TRIM AND STEERING FLUID 1 QT. (18-9751-2)

    SIERRA
    Original price $17.99 - Original price $17.99
    Original price $17.99
    $17.99
    $17.99 - $17.99
    Current price $17.99

    Available in bottle of 237ml or 946ml.

    Original price $17.99 - Original price $17.99
    Original price $17.99
    $17.99
    $17.99 - $17.99
    Current price $17.99

    SIERRA GEAR LUBRICANT HI-PERF 55 GAL 80W90 (18-9650-7)

    SIERRA
    Original price $3,103.99
    Original price $3,103.99 - Original price $3,103.99
    Original price $3,103.99
    Current price $2,948.99
    $2,948.99 - $2,948.99
    Current price $2,948.99

    Synthetic blended marine formulation reduces operating friction for increased performance and protection of gears, bearings and other gear case co...

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    Original price $3,103.99
    Original price $3,103.99 - Original price $3,103.99
    Original price $3,103.99
    Current price $2,948.99
    $2,948.99 - $2,948.99
    Current price $2,948.99
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    SIERRA GEAR LUBRICANT SYNTHETIC 75W90 946ML (18-9680-2)

    SIERRA
    Original price $33.99 - Original price $33.99
    Original price $33.99
    $33.99
    $33.99 - $33.99
    Current price $33.99

    Gear Lubricants / Fully Synthetic

    Original price $33.99 - Original price $33.99
    Original price $33.99
    $33.99
    $33.99 - $33.99
    Current price $33.99

    SIERRA GEAR LUBRICANT TYPE C QUART 75W (18-9620-2)

    SIERRA
    Original price $23.99 - Original price $23.99
    Original price $23.99
    $23.99
    $23.99 - $23.99
    Current price $23.99

    Formulated for older model outboards and I/O's equipped with electric shift. Reduces friction and protects gears, bearings and other gearcase comp...

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    Original price $23.99 - Original price $23.99
    Original price $23.99
    $23.99
    $23.99 - $23.99
    Current price $23.99
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    SIERRA GEAR LUBRICANT HI-PERF 80W90 10 OZ (18-9650-0)

    SIERRA
    Original price $18.99 - Original price $18.99
    Original price $18.99
    $18.99
    $18.99 - $18.99
    Current price $18.99

    Synthetic blended marine formulation reduces operating friction for increased performance and protection of gears, bearings and other gear case co...

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    Original price $18.99 - Original price $18.99
    Original price $18.99
    $18.99
    $18.99 - $18.99
    Current price $18.99

    SIERRA CARBON FREE AEROSOL (18-9570-0)

    SIERRA
    Original price $18.99 - Original price $18.99
    Original price $18.99
    $18.99
    $18.99 - $18.99
    Current price $18.99

    Specially designed to improve engine performance and efficiency Thoroughly removes gum, varnish and carbon deposits Cleans intake ports, valves, p...

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    Original price $18.99 - Original price $18.99
    Original price $18.99
    $18.99
    $18.99 - $18.99
    Current price $18.99
    Sold out

    SIERRA GEAR LUBRICANT HI-PERF 16 GAL 80W90 (18-9650-6)

    SIERRA
    Original price $1,178.99
    Original price $1,178.99 - Original price $1,178.99
    Original price $1,178.99
    Current price $1,061.99
    $1,061.99 - $1,061.99
    Current price $1,061.99

    Synthetic blended marine formulation reduces operating friction for increased performance and protection of gears, bearings and other gear case co...

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    Original price $1,178.99
    Original price $1,178.99 - Original price $1,178.99
    Original price $1,178.99
    Current price $1,061.99
    $1,061.99 - $1,061.99
    Current price $1,061.99
    Sold out

    SIERRA GEAR LUBRICANT 55 GAL 80W90 (18-9600-7)

    SIERRA
    Original price $2,684.99
    Original price $2,684.99 - Original price $2,684.99
    Original price $2,684.99
    Current price $2,550.99
    $2,550.99 - $2,550.99
    Current price $2,550.99

    Gear Lubricants / Premium

    Original price $2,684.99
    Original price $2,684.99 - Original price $2,684.99
    Original price $2,684.99
    Current price $2,550.99
    $2,550.99 - $2,550.99
    Current price $2,550.99
    Sold out

    SIERRA GEAR LUBRICANT HI-PERF 5 GAL 80W90 (18-9650-5)

    SIERRA
    Original price $367.99
    Original price $367.99 - Original price $367.99
    Original price $367.99
    Current price $331.99
    $331.99 - $331.99
    Current price $331.99

    Synthetic blended marine formulation reduces operating friction for increased performance and protection of gears, bearings and other gear case co...

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    Original price $367.99
    Original price $367.99 - Original price $367.99
    Original price $367.99
    Current price $331.99
    $331.99 - $331.99
    Current price $331.99
    Sale Sale

    SIERRA GEAR LUBRICANT 5 GAL 80W90 (18-9600-5)

    SIERRA
    Original price $335.99
    Original price $335.99 - Original price $335.99
    Original price $335.99
    Current price $302.99
    $302.99 - $302.99
    Current price $302.99

    Gear Lubricants / Premium

    Original price $335.99
    Original price $335.99 - Original price $335.99
    Original price $335.99
    Current price $302.99
    $302.99 - $302.99
    Current price $302.99
    Sale Sale

    SIERRA GEAR LUBRICANT SYNTHETIC 5 GAL 75W90 (18-9680-5)

    SIERRA
    Original price $504.99
    Original price $504.99 - Original price $504.99
    Original price $504.99
    Current price $454.99
    $454.99 - $454.99
    Current price $454.99

    SYNTHETIC GEAR LUBE is specifically formulated to optimize gear life by reducing friction and providing superior wear protection in severe operatin...

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    Original price $504.99
    Original price $504.99 - Original price $504.99
    Original price $504.99
    Current price $454.99
    $454.99 - $454.99
    Current price $454.99
    Sale Sale

    SIERRA GEAR LUBRICANT HI-PERF QUART 80W90 (18-9650-2)

    SIERRA
    Original price $23.99 - Original price $23.99
    Original price $23.99
    $23.99
    $23.99 - $23.99
    Current price $23.99

    Synthetic blended marine formulation reduces operating friction for increased performance and protection of gears, bearings and other gear case co...

    View full details
    Original price $23.99 - Original price $23.99
    Original price $23.99
    $23.99
    $23.99 - $23.99
    Current price $23.99

    SIERRA GEAR LUBRICANT QUART 80W90 (18-9600-2)

    SIERRA
    Original price $20.99 - Original price $20.99
    Original price $20.99
    $20.99
    $20.99 - $20.99
    Current price $20.99

    Gear Lubricants / Premium

    Original price $20.99 - Original price $20.99
    Original price $20.99
    $20.99
    $20.99 - $20.99
    Current price $20.99

    SIERRA FOGGING OIL GAL (18-9550-3)

    SIERRA
    Original price $87.99 - Original price $87.99
    Original price $87.99
    $87.99
    $87.99 - $87.99
    Current price $87.99

    Protects internal engine components from rust and corrosion Specifically formulated for seasonal storage of outboard and sterndrive engines Idea...

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    Original price $87.99 - Original price $87.99
    Original price $87.99
    $87.99
    $87.99 - $87.99
    Current price $87.99
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    SIERRA FUEL STABILIZER 1 GAL (18-9080)

    SIERRA
    Original price $109.99 - Original price $109.99
    Original price $109.99
    $109.99
    $109.99 - $109.99
    Current price $109.99

    Replaces: Mercury 92-817529A12, 92-78383A12 OMC 174275, 175068, 775613

    Original price $109.99 - Original price $109.99
    Original price $109.99
    $109.99
    $109.99 - $109.99
    Current price $109.99
    Sold out

    SIERRA OIL CHANGE KIT MERC (18-9234)

    SIERRA
    Original price $149.99 - Original price $149.99
    Original price $149.99
    $149.99
    $149.99 - $149.99
    Current price $149.99

    For Mercruiser 4.3L GM Short Block w/o Remote Oil Perfect for DIY or Small Shop Includes all needed items for completing yearly maintenance on you...

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    Original price $149.99 - Original price $149.99
    Original price $149.99
    $149.99
    $149.99 - $149.99
    Current price $149.99
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    SIERRA OIL CHANGE KIT YAM (18-9217)

    SIERRA
    Original price $149.99 - Original price $149.99
    Original price $149.99
    $149.99
    $149.99 - $149.99
    Current price $149.99

    Application: Yamaha F225 to F300 4.2L All Years All inclusive package with oil, oil filter, drain gasket and shop towel for ease of use Convenient...

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    Original price $149.99 - Original price $149.99
    Original price $149.99
    $149.99
    $149.99 - $149.99
    Current price $149.99
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    SIERRA OIL CHANGE KIT MERC (18-9230)

    SIERRA
    Original price $149.99 - Original price $149.99
    Original price $149.99
    $149.99
    $149.99 - $149.99
    Current price $149.99

    Application: Mercury 3.4L V6 175-225HP, 4.8 V6 250-300HP Outboards Complete oil change kit for DIY/Small Shop to perform yearly required maintenan...

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    Original price $149.99 - Original price $149.99
    Original price $149.99
    $149.99
    $149.99 - $149.99
    Current price $149.99
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