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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 Assembly Blade Post & Cut For Keyway - Special Order RPTN-1.125-SP
Rudder Assembly - Blade, Post & Cut For Keyway - Special Order RPTN-1.125-SP
5%
$720.00 $755.00
Rudder Assembly Blade Post & Cut For Keyway - Special Order RPTN-1.125-SP
$720.00 $755.00
Rudder Assembly - Blade, Post & Cut For Keyway - Special Order RPTN-1.125-SP - 1-1/8" Rudder Shaft Diameter 30 Lead Time On This Special Order...
Rudder Assembly Mastercraft 1987 - 2015 - Flat Tiller Arm Keyed Port Or Starboard
Rudder Assembly Mastercraft 1987 - 2015 - Flat Tiller Arm Keyed Port Or Starboard Rudder Assembly Mastercraft 1987 - 2015 - Flat Tiller Arm Keyed Port Or Starboard
28%
$1,038.00 $1,448.99
Rudder Assembly Mastercraft 1987 - 2015 - Flat Tiller Arm Keyed Port Or Starboard
$1,038.00 $1,448.99
Rudder Assembly - Rudder Assembly Mastercraft Keyed  - Flat Tiller Arm Keyed Keyed port & starboard with two key cuts on each rudder. For Mastercraft 1987...
Rudder Assembly Drop Arm Tiller - RPTLSB-P-DROP
RUDDER ASSEMBLY DROP ARM TILLER - RPTLSB-P-DROP
22%
$974.00 $1,248.81
Rudder Assembly Drop Arm Tiller - RPTLSB-P-DROP
$974.00 $1,248.81
For V-drives with drop down tiller arm that drops down 1" 4" X 4" Rudder Port Flange with slotted bolt holes and 2" Outside Diameter...
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...
Bolt Flywheel Damper GM Small And Big Block Engine OEM R009092
Bolt Flywheel Damper GM Small And Big Block Engine OEM R009092
55%
$6.24 $13.73
Bolt Flywheel Damper GM Small And Big Block Engine OEM R009092
$6.24 $13.73
You can use your old bolts. These bolts fit standard thread flywheels  Grade 5 -  3/8 - 1 X 1"  Be sure to make sure...
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
31%
$530.29 $769.69
Strut - Tige-16-T- Tall Model - 16 Degree - 1-1/8 Inch Shaft 6 Hole Bolt Pattern - Includes Strut Bearings MHST757-1.12
$530.29 $769.69
This is the TIGE-16-T ( tall ) NOT the standard TIGE-16. SEF-1012-016T Look on the side of the base of your strut. It is small but...
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
32%
$526.54 $769.69
Strut - 16 Degree Centruion 1998 & Up - 1 Inch Shaft 6 Hole Bolt Pattern STSL-16 Includes Strut Bearings MHSTRUTSTSL16-10
$526.54 $769.69
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" PSS Shaft Seal Kit 1-1/8" Diameter Drive Shafts Comes With Install Kit
1-1/8" PSS Shaft Seal Kit 1-1/8" Diameter Drive Shafts Comes With Install Kit 1-1/8" PSS Shaft Seal Kit 1-1/8" Diameter Drive Shafts Comes With Install Kit
32%
$325.00 $479.00
1-1/8" PSS Shaft Seal Kit 1-1/8" Diameter Drive Shafts Comes With Install Kit
$325.00 $479.00
Fits all boats with 1-1/8" shaft and 1-3/4 length shaft log.  COMES WITH the quick install kit; Item INSTKIT1.125X.37 Uses a Stainless Steel rotor that slides...
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...
Tool Output Flange Nut Wrench ZF Indmar 99-6010
Tool Output Flange Nut Wrench Indmar 99-6010
7%
$219.00 $235.00
Tool Output Flange Nut Wrench ZF Indmar 99-6010
$219.00 $235.00
Tool Output Flange Nut Wrench OEM Indmar 99-6010 For removing coupler attaching nut on ZF transmission Needed when attaching Walter Machine RV-26D v-drive adapter Nut...
Items 81 to 100 of 179 total