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Items: 1 - 16 of 19 | Pages: 1  2  Next 
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  • Buck Algonquin Packing Box Hose

    Buck Algonquin Packing Box Hose

    Heavy duty multi ply marine hose from Buck Algonquin, designed for self aligning packing boxes....

    In Stock 

    Price: $16.94 to $37.23
  • Graphtex Ultra GTU Shaft Packing

    Graphtex Ultra GTU Shaft Packing

    Shaft packing with blend of W.L. Gore fibers and graphite fibers that are impregnated with PTFE....

    In Stock 

    Price: $7.60 to $38.28
  • PTFE Flax Packing

    PTFE Flax Packing

    PTFE Flax Packing is braided from strong rovings and impregnated with PTFE. This combination offers...

    In Stock 

    Price: $6.35 to $16.05
  • Flax Packing

    Flax Packing

    Flax packing is used for shaft packing, and for leaky stuffing boxes. Flax Packing is braided from...

    In Stock 

    Price: $6.59 to $10.40
  • Flax Packing - Spools

    Flax Packing - Spools

    Flax Packing is the standard replacement product for marine stuffing boxes worldwide. This packing...

    In Stock 

    Price: $21.82
  • Flax Packing Extractor Tools

    Flax Packing Extractor Tools

    Professionals repacking shaft stuffing boxes use this flexible extractor tool with a corkscrew tip...

    In Stock 

    Price: $10.39 to $12.15
  • Buck Algonquin Complete Assembly Packing Boxes

    Buck Algonquin Complete Assembly Packing Boxes

    Complete assembly packing boxes with nut, spud and body of cast bronze, 5-ply marine exhast hose...

    In Stock 

    Price: $108.30 to $220.88
  • Morse Marine Water Lubricated Shaft Bushings

    Morse Marine Water Lubricated Shaft Bushings

    Morse water lubricated bushings are cutlass bearings that fit shafts in accordance with U.S. Navy...

    In Stock 

    Price: $65.12
  • Volvo Drive Bellows Kits

    Volvo Drive Bellows Kits

    Replace oem Volvo drive unit rubber bellows with Sierra oem replacement drive bellows to fit all...

    In Stock 

    Price: $46.83
  • Gimbal Bearing for Mercruiser/OMC Stern Drives

    Gimbal Bearing for Mercruiser/OMC Stern Drives

    Gimbal Bearing SIE 2100 replaces stern drive gimbal bearings for Mercury 30-60794A4, OMC 983937....

    In Stock 

    Price: $52.73
  • Vetus HY Mid Weight Engine Mounts

    Vetus HY Mid Weight Engine Mounts

    Vetus HY Engine Mounts are suitable for boats with heavy weight diesel engines with 4 or more...

    Price: $97.49
  • Vetus K 75 Flexible Engine Mounts

    Vetus K 75 Flexible Engine Mounts

    Vetus Type K 75 engine mounts for smaller marine diesel engines up to 80 HP....

    Price: $66.77
  • Vetus K 25 Flexible Engine Mounts

    Vetus K 25 Flexible Engine Mounts

    Vetus Type K flexible engine mounts absorb propeller thrust and engine vibration. K 25 mounts are...

    Price: $63.91
  • Sierra 18-6759 Tilt/Trim Motor
    CLEARANCE

    Sierra 18-6759 Tilt/Trim Motor

    This trim and tilt motor from Sierra features a newer 2 wire design for most 3, 4, 6, and 8...

    In Stock 

    Price: $94.27
  • Western Pacific Teflon Flax Packing

    Western Pacific Teflon Flax Packing

    This popular Teflon Flax Packing by Western Pacific is a blend of quality flax rovings that are...

    In Stock 

    Price: $35.40
  • Volvo Penta Drive & Lower Unit Seal Kits

    Volvo Penta Drive & Lower Unit Seal Kits

    Seal kits for Volvo Penta stern drive units. Lower unit and complete outdrive seal kits available....

    In Stock 

    Price: $110.08 to $206.34
Items: 1 - 16 of 19 | Pages: 1  2  Next 
 

Drive Seals and Parts for Stern Drive and traditional Inboard


Flax shaft packing in the stuffing box should permit enough water to drip and cool the spinning propeller shaft. It should drip at a rate of 8-10 drops per minute on most traditional inboard engines. If the packing is worn and leaky, this below the waterline seal should be serviced. Stuffing box lubricant prolongs the life of shaft packing while also reducing heat and friction. Elsewhere, flax packing is used to seal rudder posts and pumps.

Inspecting, troubleshooting and servicing marine drive systems will save money in the long run. Follow recommended service intervals. Simple vibration problems from engine-shaft-strut misalignment or from faulty engine mounts and loose struts can become catastrophic if left untended. This can result in rapid wear of cutlass bearings and stuffing boxes, shaft galling and worn universal joints and gimbal bearings. Couplings, strut integrity and cutlass bearings can be easily inspected out of the water seasonally as preventative maintenance. This is particularly important on older vessels.

Sterndrive service demands replacing common seals at the transom and protective covers such as bellows. We offer inboard/outboard parts compatible with Mercruiser, OMC, Volvo and most manufacturers. These parts need attention in the event of a grounding.

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