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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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Rudder - 1000-C803 - Rudder Coronado
Rudder - 1000-C803 - Rudder Coronado
16%
$1,245.00 $1,490.09
Rudder - 1000-C803 - Rudder Coronado
$1,245.00 $1,490.09
REPLACEMENT RUDDER Post 1.00" Diameter and 9-1/4" tall Blade Length is 11" tall Bottom of rudder is 4-1/4" Coronado For Rudder Port - CLICK HERE...
Stuffing Box 1" Shaft and 1-3/4" I.D. Hose and 2 Stainless Steel Hose Clamps
Stuffing Box 1" Shaft and 1-3/4" I.D. Hose and 2 Stainless Steel Hose Clamps Stuffing Box 1" Shaft and 1-3/4" I.D. Hose and 2 Stainless Steel Hose Clamps
11%
$195.00 $219.00
Stuffing Box 1" Shaft and 1-3/4" I.D. Hose and 2 Stainless Steel Hose Clamps
$195.00 $219.00
STUFFING BOX FOR 1" SHAFT This is your traditional wax rope packed stuffing box for your 1" shaft with a 1-3/4" ID hose. Stuffing Box comes WITH...
Nut Only - Retaining Nut Fits ALL A.R.E. Drive Shaft Systems
Nut Only - Retaining Nut Fits ALL A.R.E. Drive Shaft Systems Nut Only - Retaining Nut Fits ALL A.R.E. Drive Shaft Systems
14%
$19.00 $22.00
Nut Only - Retaining Nut Fits ALL A.R.E. Drive Shaft Systems
$19.00 $22.00
NUT ONLY - Fits ALL A.R.E. Drive Shafts and couplers! See ITEM NUMBER 8 in the picture for reference please. Also note please that in...
Coupling Nut Nylock 3/4-10 Zinc Coating Steel Prevents Shaft Galling-Seizing OEM 0253ZINC0.750-10
Coupling Nut Nylock 3/4-10 Zinc Coating Steel Prevents Shaft Galling-Seizing OEM 0253ZINC0.750-10 Coupling Nut Nylock 3/4-10 Zinc Coating Steel Prevents Shaft Galling-Seizing OEM 0253ZINC0.750-10
20%
$21.50 $26.99
Coupling Nut Nylock 3/4-10 Zinc Coating Steel Prevents Shaft Galling-Seizing OEM 0253ZINC0.750-10
$21.50 $26.99
The Nylock COUPLING Nut is zinc coated steel and prevents galling; seizing of the shaft threads and shaft! Fits 3/4" Shafts 3/4 - 10 Thread...
Strut - 14 Degree 1" One Inch Shaft Size Includes Strut Bearings MHST707-1.00
Strut - 14 Degree 1" One Inch Shaft Size Includes Strut Bearings MHST707-1.00
20%
$619.00 $769.63
Strut - 14 Degree 1" One Inch Shaft Size Includes Strut Bearings MHST707-1.00
$619.00 $769.63
14 Degree with a 6 bolt mounting pattern - Fits 1" Shafts 6.5" Drop Has 6 Mounting Holes and includes brass shelled rubber strut bushings!...
Strut - 14 Degree 1-1/8 Inch Shaft Size Includes Strut Bearings MHST707-1.12
Strut - 14 Degree 1-1/8 Inch Shaft Size Includes Strut Bearings MHST707-1.12 Strut - 14 Degree 1-1/8 Inch Shaft Size Includes Strut Bearings MHST707-1.12
17%
$639.00 $769.69
Strut - 14 Degree 1-1/8 Inch Shaft Size Includes Strut Bearings MHST707-1.12
$639.00 $769.69
14 Degree with a 6 bolt mounting pattern - Fits 1-1/8" Shafts Has 6 Mounting Holes and includes brass shelled rubber strut bushings! All struts...
Bolt Flywheel Damper - Ford 302-351 OEM R009001
Bolt Flywheel Damper - Ford 302-351 OEM R009001
33%
$8.45 $12.55
Bolt Flywheel Damper - Ford 302-351 OEM R009001
$8.45 $12.55
Bolts Damper to Flywheel FORD 5/16-18 X 3/4 SHOULDER BOLT
Strut - Tige-16-T- Tall Model - 16 Degree - 1-1/8 Inch Shaft 6 Hole Bolt Pattern - Includes Strut Bearings MHST757-1.12
Strut - Tige-16-T- Tall Model - 16 Degree - 1-1/8 Inch Shaft 6 Hole Bolt Pattern - Includes Strut Bearings MHST757-1.12 TIGEU1005-SEF1012-16-T
20%
$730.29 $908.12
Strut - Tige-16-T- Tall Model - 16 Degree - 1-1/8 Inch Shaft 6 Hole Bolt Pattern - Includes Strut Bearings MHST757-1.12
$730.29 $908.12
This is the TIGE-16-T ( tall ) NOT the standard TIGE-16. SEF-1012-016T - Z-U1006 16 Degree TALL Strut Look on the side of the base of...
Strut - 16 Degree Centruion 1998 & Up - 1 Inch Shaft 6 Hole Bolt Pattern STSL-16 Includes Strut Bearings MHSTRUTSTSL16-10
Strut - 16 Degree Centruion 1998 & Up - 1 Inch Shaft 6 Hole Bolt Pattern STSL-16 Includes Strut Bearings MHSTRUTSTSL16-10
28%
$576.54 $798.69
Strut - 16 Degree Centruion 1998 & Up - 1 Inch Shaft 6 Hole Bolt Pattern STSL-16 Includes Strut Bearings MHSTRUTSTSL16-10
$576.54 $798.69
Fits boats with 1" (ONE INCH) driveshaft and 6 bolt mounting pattern 16 degree - 1" Shaft Has 6 Mounting Holes and includes brass shelled...
Ironman Prop Puller For 1-1/4" Drive Shafts
Ironman Prop Puller For 1-1/4" Drive Shafts Ironman Prop Puller For 1-1/4" Drive Shafts
18%
$185.00 $225.00
Ironman Prop Puller For 1-1/4" Drive Shafts
$185.00 $225.00
For 1-1/4" Shafts, 3 or 4 Blade Props Best Prop Puller Around!  
1-1/8" X 5" A.R.E Inboard Shaft System and Coupler Dual Taper WS2050A
1-1/8" X 5" A.R.E Inboard Shaft System and Coupler 1-1/8" X 5" A.R.E Inboard Shaft System and Coupler
22%
$625.00 $798.00
1-1/8" X 5" A.R.E Inboard Shaft System and Coupler Dual Taper WS2050A
$625.00 $798.00
Dual Taper, Pricing Good For Shafts Up To 5' You Must Supply Us With The "A" Shaft Length Measurement. Please follow the illustration in the pictures and be...
Strut - Mastercraft 1986 and Up With 1 Inch Drive Shaft 16 Degree - Includes New Bearings
Strut - Mastercraft 1986 and Up With 1 Inch Drive Shaft 16 Degree - Includes New Bearings
8%
$569.50 $619.99
Strut - Mastercraft 1986 and Up With 1 Inch Drive Shaft 16 Degree - Includes New Bearings
$569.50 $619.99
Fits 1986 up Mastercraft boats with 1" driveshaft and 8 bolt mounting pattern (16 degree). Has 8 Mounting Holes and includes brass shelled rubber strut...
1-1/8" Custom Inboard Prop Shaft System With Borg Warner Style 4" Coupler Dual Taper 47.00 Inch Assembled Length
1-1/8" Custom Inboard Prop Shaft System With Borg Warner Style 4" Coupler Dual Taper 47.00 Inch Assembled Length 1-1/8" Custom Inboard Prop Shaft System With Borg Warner Style 4" Coupler Dual Taper 47.00 Inch Assembled Length
28%
$659.00 $910.22
1-1/8" Custom Inboard Prop Shaft System With Borg Warner Style 4" Coupler Dual Taper 47.00 Inch Assembled Length
$659.00 $910.22
Marine Hardware 1-1/8" Custom Prop Shaft & Borg Warner Style Coupler 4 Inch Diameter Works for shaft TIP to TIP Length of 47.00 inches. 1-1/8"...
1-1/4" Custom Inboard Prop Shaft System With Borg Warner Style 5" Coupler Dual Taper 58.75 Inch Assembled Length
1-1/4" Custom Inboard Prop Shaft System With Borg Warner Style 5" Coupler Dual Taper 58.75 Inch Assembled Length 1-1/4" Custom Inboard Prop Shaft System With Borg Warner Style 5" Coupler Dual Taper 58.75 Inch Assembled Length
28%
$659.00 $910.22
1-1/4" Custom Inboard Prop Shaft System With Borg Warner Style 5" Coupler Dual Taper 58.75 Inch Assembled Length
$659.00 $910.22
Marine Hardware 1-1/4" Custom Prop Shaft & Borg Warner Style Coupler 5 Inch Diameter Works for shaft TIP to TIP Length of 58-3/4 inches. 1-1/4"...
Strut | 1-1/8 Inch Shaft 6 Hole Bolt Pattern STSL18581.125-SKCN Includes Strut Bearings
Strut | 1-1/8 Inch Shaft 6 Hole Bolt Pattern STSL18581.125-SKCN Includes Strut Bearings (Copy) Strut | 1-1/8 Inch Shaft 6 Hole Bolt Pattern STSL18581.125-SKCN Includes Strut Bearings (Copy)
10%
$895.00 $997.90
Strut | 1-1/8 Inch Shaft 6 Hole Bolt Pattern STSL18581.125-SKCN Includes Strut Bearings
$895.00 $997.90
Fits Centurion | Supreme with 1-1/8" driveshaft and 6 bolt mounting pattern Has 6 Mounting Holes and includes brass shelled rubber strut bushings! All struts...
14 Degree 1" Inch Shaft Size Includes Strut Bearings Supra - MHST704-1.00
15 Degree 1" Inch Shaft Size Includes Strut Bearings Moomba - MHST705-1.00 15 Degree 1" Inch Shaft Size Includes Strut Bearings Moomba - MHST705-1.00
28%
$649.00 $897.90
14 Degree 1" Inch Shaft Size Includes Strut Bearings Supra - MHST704-1.00
$649.00 $897.90
14 Degree with a 6 bolt mounting pattern - Fits 1" - ONE INCH Shafts SUPRA Has 6 Mounting Holes and includes brass shelled rubber...
1-1/8" Custom Inboard Prop Shaft System With Walters V Drive Coupler Dual Taper 47.00 Inch Assembled Length
1-1/8" Custom Inboard Prop Shaft System With Walters V Drive Coupler Dual Taper 47.00 Inch Assembled Length 1-1/8" X 5" Inboard Shaft System With Inverted Hurth Steel Coupler Dual Taper 55.750 Assembled Length
13%
$650.00 $750.42
1-1/8" Custom Inboard Prop Shaft System With Walters V Drive Coupler Dual Taper 47.00 Inch Assembled Length
$650.00 $750.42
Marine Hardware 1-1/8" Custom Prop Shaft & Walters V-Drive Coupler Shaft length is 47.00" Assembled Length 1-1/8" Shaft Diameter Walter Coupler Face System Drive Shaft...
Strut Bushing Set 1 Inch I.D. X 1-1/4 Inch O.D. Brass Bearings OEM Marine Hardware
Strut Bushing Set 1 Inch I.D. X 1-1/4 Inch O.D. Brass Bearings OEM Marine Hardware
33%
$150.08 $222.40
Strut Bushing Set 1 Inch I.D. X 1-1/4 Inch O.D. Brass Bearings OEM Marine Hardware
$150.08 $222.40
1" I.D. x 1-1/4" O.D. MARINE HARDWARE OEM STRUT BEARING SET Fits most Ski Nautique, Supra Inboard,  Supra Moomba but not the Vee-Drive. 1" Shaft...
Glide® Dripless Shaft Seal Complete Kit 1" X 1-3/4" OEM GMSS 1.000X1.750 KIT
Glide® Dripless Shaft Seal Complete Kit 1-1/4" X 2.00" OEM GMSS 1.250X2.000 KIT
7%
$165.00 $177.00
Glide® Dripless Shaft Seal Complete Kit 1" X 1-3/4" OEM GMSS 1.000X1.750 KIT
$165.00 $177.00
1" X 1-3/4" Glide® Dripless Shaft Complete Seal Kit  For those ready to tackle the job of replacing your existing seal system on your own, we...
Glide® Dripless Shaft Seal Complete Kit 1" X 1.5" OEM GMSS 1.000X1.500 KIT
Glide® Dripless Shaft Seal Complete Kit 1-1/4" X 2.00" OEM GMSS 1.250X2.000 KIT
7%
$165.00 $177.00
Glide® Dripless Shaft Seal Complete Kit 1" X 1.5" OEM GMSS 1.000X1.500 KIT
$165.00 $177.00
1" X 1.5" Glide® Dripless Shaft Complete Seal Kit For those ready to tackle the job of replacing your existing seal system on your own, we...
Rudder Assembly With Rudder Box STRAIGHT Tiller Arm - RPMC1.00-S
Rudder Assembly With Rudder Box STRAIGHT Tiller Arm - RPMC1.00-S Rudder Assembly With Rudder Box STRAIGHT Tiller Arm - RPMC1.00-S
24%
$985.00 $1,299.97
Rudder Assembly With Rudder Box STRAIGHT Tiller Arm - RPMC1.00-S
$985.00 $1,299.97
Keyed for both Port & Starboard - STRAIGHT Tiller Arm With a STRAIGHT tiller arm like the arm mounted to the rudder in this picture. THIS RUDDER COMES WITH...
Rudder Assembly RPTH400-SB-F
Rudder Assembly RPTH400-SB-F Rudder Assembly RPTH400-SB-F
20%
$995.00 $1,238.05
Rudder Assembly RPTH400-SB-F
$995.00 $1,238.05
Marine Hardware Rudder Assembly Forward Facing Keyway Forward Facing Straight Tiller Arm  
Rudder Assembly Flat Arm Tiller - RPTLSB-P
RUDDER ASSEMBLY DROP ARM TILLER - RPTLSB-P-DROP
31%
$864.00 $1,248.81
Rudder Assembly Flat Arm Tiller - RPTLSB-P
$864.00 $1,248.81
Flat Tiller Arm - Arm is flat and does NOT drop down from the clamp. 4" X 4" Rudder Port Flange with slotted bolt holes and...
Strut MB Sort 16 Degree 1-1/8 Inch Shaft 8 Hole Bolt Pattern With Bearings MHST756-1.12
Strut MB Sort 16 Degree 1-1/8 Inch Shaft 8 Hole Bolt Pattern With Bearings MHST756-1.12 Strut MB Sort 16 Degree 1-1/8 Inch Shaft 8 Hole Bolt Pattern With Bearings MHST756-1.12
23%
$619.00 $808.12
Strut MB Sort 16 Degree 1-1/8 Inch Shaft 8 Hole Bolt Pattern With Bearings MHST756-1.12
$619.00 $808.12
ThMB Sport Strut 16 Degree - 7.38" Barrel Length SEF-1012 16 Degree Strut Fits boats with 1-1/8" driveshaft and 8 bolt mounting pattern16 degree Has...
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