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Drive Shaft Seals

An inboard shaft seal, also known as a "stuffing box," allows the propeller shaft to exit the boat and rotate, all while keeping water on the outside of the boat. While drive shaft seals appear inconsequential, they're a crucial part of a boat's underwater hardware and drivetrain system. At Discount Inboard Marine, we carry an unparalleled selection of drive shaft sealsinboard shaft logs, flex gland shaft seal systems and more. Trust Discount Inboard Marine as your go-to inboard engine parts supplier — we're here to help you spend less time working on your boat and more time out on the water.

  • GLIDE STRUT BEARINGS

    GLIDE STRUT BEARINGS

    No matter the brand or model, we have the strut bearings to fit your Ski/Wake boat ready to ship today!These 2” and 3" long bearings are sold in packs of two and won’t break the bank for a simple tune up.There are many different options you...
    $47.00
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  • Glide Marine Seal System KIT

    Glide Marine Seal System KIT

    GMSS KITFor those ready to tackle the job of replacing your existing seal system on your own, we offerthe Glide Marine Seal System KIT. If you are looking to retrofit an older style stuffing box(packing nut) system or want to upgrade your current system,...
    $167.00
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  • GLIDE DRIPLESS SHAFT SEALS

    GLIDE DRIPLESS SHAFT SEALS

    GLIDE Seal Systems are comprised entirely of our GLIDE-400 material and proudly made in theU.S.A. The housing is durable, lightweight, and non-corrosive. The lightweight housing reducesthe loaded weight on the shaft and seal, resulting in a better...
    $135.00
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  • FLEX GLAND SHAFT SEAL SYSTEM 1"

    FLEX GLAND SHAFT SEAL SYSTEM 1"

    Johnson Propellers dripless shaft sea for 1" driveshafts. Does not require a water supply from the engine. Also designed to provide more flexibility in the hose by eliminating the extended housing. Flex Gland Shaft Seal System 1" | Discount Inboard...
    $109.00
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  • FLEX GLAND SHAFT SEAL SYSTEM 1-1/8" FLEX GLAND SHAFT SEAL SYSTEM 1-1/8"

    FLEX GLAND SHAFT SEAL SYSTEM 1-1/8"

    Johnson Propellers dripless shaft seal for 1-1/8" shafts. It does not require a water feed from the engine. Also designed to provide more flexibility in the hose by eliminating the extended housing. Flex Gland Shaft Seal System 1-1/8" | Discount...
    $112.00
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  • FLEX GLAND SYSTEM 1-1/4 GREEN

    FLEX GLAND SYSTEM 1-1/4 GREEN

    Johnson Propellers dripless shaft seal for 1-1/4" shafts. It does not require a water feed from the engine. Also designed to provide more flexibility in the hose by eliminating the extended housing. Flex Gland Shaft Seal System 1-1/4" | Discount Inboard...
    $118.35
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  • PSS SEAL 1 PSS SEAL 1

    PSS SEAL 1

    PSS Shaft Seal. The PSS shaft seal is a replacement system for stuffing boxes. The PSS has no packing to adjust or replace and does not leak water into the bilge. Additionally, due to the simple design, the PSS requires no maintenance and will provide...
    $335.00
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  • PSS SHAFT SEAL 1-1/8" PSS SHAFT SEAL 1-1/8"

    PSS SHAFT SEAL 1-1/8"

    Boats With 1-1/8" Drive Shaft and 1-3/4" shaft log.Includes water supply kit.Stainless steel rotor slides down the shaft and compresses the graphite faced bellows to make the seal. Please Note: This is a difficult installation on some Mastercraft...
    $415.05
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  • ROPE PACKING 3/16"

    ROPE PACKING 3/16"

    * 3/16" Standard Wax Impregnated Flax Packing* Sold Per Foot Wax Impregnated Rope Packing for drive shaft and rudder stuffing boxes. One foot is usually enough to do a shaft log. You need to cut 3 individual peices that but connect and stuff each...
    $4.00
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  • ROPE PACKING 1/4"

    ROPE PACKING 1/4"

    * Standard Wax Impregnated Flax Packing* Sold Per Foot Wax Impregnated Rope Packing for drive shaft and rudder stuffing boxes. Old Item #2004211
    $4.00
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  • SHAFT PACKING DRIPLESS 3/16" X  2FT

    SHAFT PACKING DRIPLESS 3/16" X 2FT

    * GFO Fiber Packing (Shaft - Rudder)* Easy To Install - Bilges Stay Dry* 3/16" packing is usually used with 1-1/8" shafts. 1" Shaft diameter exception: Most Correct Crafts thru 2001 used 3/16" until the 2002 Ski...
    $16.00
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  • SHAFT PACKING DRIPLESS 1/4" X 2FT

    SHAFT PACKING DRIPLESS 1/4" X 2FT

    Installed in the same manner as flax packing. GFO is a fiber packing that is 4 times more thermally conductive than flax. It needs virtually no sea water for lubrication or cooling and because it doesn't swell or shrink, leakage is controlled and kept to...
    $20.00
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