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UNDERWATER GEAR

Underwater Hull Boat Parts

If you need underwater gear, My Inboard Marine is the right place for you. We carry drive shafts, nuts, wrenches, shaft systems, seals, struts, rudders, steering systems and parts plus so much more! All designed to withstand the harsh effects of long exposure to water. Whatever tools or parts you need for your boat, you can find it right here at My Inboard Marine.

If you have any questions pertaining to our products, feel free to contact us today at 803-766-8586 or email us at sales@myinboardmarine.com and we will respond to help. Purchase your underwater hull boat parts from us today!

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Flex Gland Dripless Drive Shaft Seal Kit 1-1/8" By Johnson Propellers. New!
FLEX GLAND SYSTEM DRIVE SHAFT SEAL KIT 1-1/8" BY JOHNSON PROPELLER NEW! Flex Gland Dripless Drive Shaft Seal Kit <b>1-1/8"</b> By Johnson Propellers. New!
$110.00
Flex Gland Dripless Drive Shaft Seal Kit 1-1/8" By Johnson Propellers. New!
$110.00
Johnson Propellers Dripless Shaft Seal. For 1-1/8" drive shafts. Log Hose End has a 1-3/4" opening. Does not require a water supply from the engine....
Rope Packing Standard Wax Impregnated Flax Packing 1/4" WPT Brand
1/4" Standard Wax Impregnated Flax Packing 1/4" Standard Wax Impregnated Flax Packing
14%
$3.48 $4.07
Rope Packing Standard Wax Impregnated Flax Packing 1/4" WPT Brand
$3.48 $4.07
1/4" Standard Wax Impregnated Flax Packing Sold Per Foot  PLEASE ENTER THE QUANTITY for each foot of rope packing. If you need 1 foot, enter...
Flex Gland Dripless Drive Shaft Seal Kit 1" By Johnson Propellers New!
FLEX GLAND SYSTEM DRIVE SHAFT SEAL KIT 1-1/8" BY JOHNSON PROPELLER NEW! Flex Gland Dripless Drive Shaft Seal Kit <b>1"</b> By Johnson Propellers New!
2%
$108.00 $110.00
Flex Gland Dripless Drive Shaft Seal Kit 1" By Johnson Propellers New!
$108.00 $110.00
Johnson Propellers Dripless Shaft Seal. For 1" drive shafts. Log Hose End has a 1-3/4" opening. Does not require a water supply from the engine....
Rope Packing Standard Impregnated Flax Packing 3/16" WPT
3/16" Standard Wax Impregnated Flax Packing 3/16" Standard Wax Impregnated Flax Packing
13%
$3.49 $4.00
Rope Packing Standard Impregnated Flax Packing 3/16" WPT
$3.49 $4.00
3/16" Standard Wax Impregnated Flax Packing Sold Per Foot PLEASE ENTER THE QUANTITY for each foot of rope packing. If you need 1 foot, enter quantity of...
Strut Bushing Set 1 Inch I.D. X 1-1/4 Inch O.D. Brass Bearings SB1.0X1.2
Strut Bushing Set 1 Inch I.D. X 1-1/4 Inch O.D. Brass Bearings SB1.0X1.2 Strut Bushing Set 1 Inch I.D. X 1-1/4 Inch O.D. Brass Bearings SB1.0X1.2
19%
$105.00 $128.95
Strut Bushing Set 1 Inch I.D. X 1-1/4 Inch O.D. Brass Bearings SB1.0X1.2
$105.00 $128.95
STRUT BEARING SET 1" I.D. x 1-1/4" O.D. Fits most Ski Nautique, Supra Inboard,  Supra Moomba but not the Vee-Drive. These bearings used to be one...
Strut - 16 Degree Centurion 1998 & Up 1-1/8 Inch Shaft 6 Hole Bolt Pattern STSL-16 Includes Strut Bearings MHSTRUTSTSL16-125
Strut - 16 Degree Centurion 1998 & Up 1-1/8 Inch Shaft 6 Hole Bolt Pattern STSL-16 Includes Strut Bearings MHSTRUTSTSL16-125
29%
$548.00 $769.69
Strut - 16 Degree Centurion 1998 & Up 1-1/8 Inch Shaft 6 Hole Bolt Pattern STSL-16 Includes Strut Bearings MHSTRUTSTSL16-125
$548.00 $769.69
Fits boats with 1-1/8" driveshaft and 6 bolt mounting pattern16 degree Used on Centurion Boats from 1998 and up Has 6 Mounting Holes and includes...
Puller for - Shafts - Bushings and Struts - The A.R.E. Slide Hammer Puller
Puller for - Shafts - Bushings and Struts - The A.R.E. Slide Hammer Puller Puller for - Shafts - Bushings and Struts - The A.R.E. Slide Hammer Puller
13%
$319.00 $368.00
Puller for - Shafts - Bushings and Struts - The A.R.E. Slide Hammer Puller
$319.00 $368.00
A.R.E. Shaft/Strut Bearing Puller The slide hammer design makes quick work of removing single-taper and double-taper drive shafts. Constructed of chrome-plated steel and features a...
Wrench Coupling Wrench For 4" and 5" A.R.E. Couplings
WRENCH COUPLING WRENCH FOR 4" AND 5" COUPLINGS A.R.E. WRENCH A.R.E. COUPLING WRENCH FOR 4" AND 5" COUPLINGS
14%
$48.00 $56.00
Wrench Coupling Wrench For 4" and 5" A.R.E. Couplings
$48.00 $56.00
This wrench goes in one of the coupling bolt holes and keeps the shaft from turning while loosening the coupling nut. A.R.E.’s coupling wrench keeps...
Nylock Prop Nut Brass For 1" Or 1-1/8" Shafts Nylon Prop Nut
Nylock Prop Nut Brass For 1" Or 1-1/8" Shafts Nylon Prop Nut Nylock Prop Nut Brass For 1" Or 1-1/8" Shafts Nylon Prop Nut
27%
$13.50 $18.49
Nylock Prop Nut Brass For 1" Or 1-1/8" Shafts Nylon Prop Nut
$13.50 $18.49
Fits 1" or 1-1/8" shafts Only. 3/4-10 thread SOLD EACH If you need the nut for 1-1/4" shafts, click HERE. Recommended over a castle nut,...
Flex Gland Dripless Drive Shaft Seal Kit 1-1/4" By Johnson Propellers. New!
Flex Gland Dripless Drive Shaft Seal Kit 1-1/4" By Johnson Propellers. New! Flex Gland Dripless Drive Shaft Seal Kit 1-1/4" By Johnson Propellers. New!
3%
$115.00 $118.00
Flex Gland Dripless Drive Shaft Seal Kit 1-1/4" By Johnson Propellers. New!
$115.00 $118.00
Johnson Propellers Dripless Shaft Seal. For 1-1/4" drive shafts. Log Hose End has a 2" opening. Does not require a water supply from the engine....
Strut Bushing Set 1-1/8 Inch I.D. X 1-3/8 Inch O.D. Brass Marine Hardware Bushings SB1.1X1.3
Strut Bushing Set 1-1/8 Inch I.D. X 1-3/8 Inch O.D. Brass Marine Hardware Bushings SB1.1X1.3 Strut Bushing Set 1-1/8 Inch I.D. X 1-3/8 Inch O.D. Brass Marine Hardware Bushings SB1.1X1.3
22%
$155.00 $199.00
Strut Bushing Set 1-1/8 Inch I.D. X 1-3/8 Inch O.D. Brass Marine Hardware Bushings SB1.1X1.3
$155.00 $199.00
STRUT BEARING SET 1-1/8"I.D. X 1-3/8" O.D. Fits most Malibu 1993 and up with 1-1/8" drive shafts, direct drive and the Vee Drive. These bearings...
Ironman Prop Puller For 1" & 1-1/8" Drive Shafts
Ironman Prop Puller For 1" & 1-1/8" Drive Shafts Ironman Prop Puller For 1" & 1-1/8" Drive Shafts
20%
$105.00 $131.95
Ironman Prop Puller For 1" & 1-1/8" Drive Shafts
$105.00 $131.95
IRONMAN PROP PULLER FOR 1" & 1-1/8" DRIVE SHAFTS For 1" or 1-1/8" Shafts, 3 or 4 Blade Props  The Best Prop Puller Around!
Rudder Seal Kit 1" For Rudder Box Marine Hardware - RBST1.00-SEAL-KIT
Rudder Seal Kit 1" For Rudder Box Marine Hardware - RBST1.00-SEAL-KIT RUDDER SEAL KIT FOR RUDDER BOX MARINE HARDWARE - RBST1.00-SEAL-KIT
35%
$87.00 $133.65
Rudder Seal Kit 1" For Rudder Box Marine Hardware - RBST1.00-SEAL-KIT
$87.00 $133.65
MARINE HARDWARE RUDDER RENEW KIT Seal Kit fits 1998 and up Marine Hardware Rudders Only! Marine Hardware rudders are usually stamped with the letters "MH"...
Nylock Prop Nut Kit Brass For 1" or 1-1/8 Shafts With Key And Cotter Pin OJ-3131B
Nylock Prop Nut Kit Brass For 1" or 1-1/8 Shafts With Key And Cotter Pin OJ-3131B
24%
$22.00 $28.99
Nylock Prop Nut Kit Brass For 1" or 1-1/8 Shafts With Key And Cotter Pin OJ-3131B
$22.00 $28.99
OJ Prop Nut Kit 3131B by Johnson Propeller Fits 1" - 1-1/8" Shafts Everything you need by Johnson Propeller Kit includes a 3/4″ brass Nylock...
Retaining Nut Socket 1-1/16" A.R.E. Drive Shaft Systems Fits 1" and 1-1/8" Shafts SYSSOCKET106
RETAINING NUT SOCKET 1-1/16" FOR THE A.R.E. DRIVE SHAFT SYSTEMS
14%
$25.00 $28.95
Retaining Nut Socket 1-1/16" A.R.E. Drive Shaft Systems Fits 1" and 1-1/8" Shafts SYSSOCKET106
$25.00 $28.95
1-1/16" Socket with wrench flats. Needed when there is not enough room to get a regular socket/ratchet in between the couplers Fits 1" and 1-1/8"...
Packing Nut Wrench 1-7/8" For Hard To Reach 1-7/8" Stuffing Box WRENCH178
Packing Nut Wrench 1-7/8" For Hard To Reach 1-7/8" Stuffing Box WRENCH178 Packing Nut Wrench 1-7/8" For Hard To Reach 1-7/8" Stuffing Box
17%
$29.95 $35.95
Packing Nut Wrench 1-7/8" For Hard To Reach 1-7/8" Stuffing Box WRENCH178
$29.95 $35.95
Shaft Packing Wrench for Inboards, made out of 3/8" thick Billet Aluminum. 1-7/8" This is a Stub Wrench for the hard to reach 1.875" Stuffing Box...
Strut Bearings Set OJ Marine Vesconite 1-1/8" I.D. X 1-3/8" O.D. OEM 2023
Strut Bearings Set Glide Marine Vesconite Hilube 1-1/8" X 1-3/8"
$85.00
Strut Bearings Set OJ Marine Vesconite 1-1/8" I.D. X 1-3/8" O.D. OEM 2023
$85.00
VESCONITE STRUT BEARING SET 1-1/8 I.D. x 1-3/8 O.D. Each of the bearings are 2" in length and are sold by the pair. OJ-2023 Vesconite...
Separator Nut For A.R.E. Jacking Plug Removes A.R.E. Shaft From Couplings
SEPARATOR NUT FOR A.R.E. JACKING PLUG REMOVES A.R.E. SHAFT FROM COUPLINGS SEPARATOR NUT FOR A.R.E. JACKING PLUG REMOVES A.R.E. SHAFT FROM COUPLINGS
12%
$22.00 $24.99
Separator Nut For A.R.E. Jacking Plug Removes A.R.E. Shaft From Couplings
$22.00 $24.99
The Separator is a jacking plug for pushing the shaft out of an A.R.E. System coupling. ONLY works with the ARE Drive Shaft System It screws...
Strut Bushing Set 1-1/8 Inch I.D X 1-1/2 Inch O.D. Brass Bearings SB1.1X1.5
Strut Bushing Set 1-1/8 Inch I.D X 1-1/2 Inch O.D. Brass Bearings SB1.1X1.5 Strut Bushing Set 1-1/8 Inch I.D X 1-1/2 Inch O.D. Brass Bearings SB1.1X1.5
7%
$145.00 $155.95
Strut Bushing Set 1-1/8 Inch I.D X 1-1/2 Inch O.D. Brass Bearings SB1.1X1.5
$145.00 $155.95
STRUT BEARING SET 1-1/8" I.D. x 1-1/2" O.D. Fits most Mastercraft with Powerslot 1.5"1 ratio transmission. These bearings used to be one long piece but are...
Strut Bearings Set OJ Marine Vesconite Strut Bearings 1" I.D. X 1-1/4" O.D. OEM 2026
Strut Bearings Set Glide Marine Vesconite Hilube 1" X 1-1/4"
12%
$78.00 $89.00
Strut Bearings Set OJ Marine Vesconite Strut Bearings 1" I.D. X 1-1/4" O.D. OEM 2026
$78.00 $89.00
VESCONITE STRUT BEARING SET 1" I.D. x 1-1/4" O.D. Each of the bearings are 2" in length and are sold by the pair. OJ-2026 -...
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