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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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Acme Harmonic Prop Puller For 2-1/4 - 2-1/2 Inch Shafts 5021
Acme Harmonic Prop Puller For <b>2-1/4 - 2-1/2 Inch</b> Shafts 5021 Acme Harmonic Prop Puller For <b>2-1/4 - 2-1/2 Inch</b> Shafts 5021
10%
$212.05 $234.70
Acme Harmonic Prop Puller For 2-1/4 - 2-1/2 Inch Shafts 5021
$212.05 $234.70
By ACME Marine for 2-1/4" - 2-1/2" Shafts. Awesome device that works by simply removing your prop nut, screw the harmonic puller onto the shaft and...
Prop Knocker All Brass Harmonic Prop Puller - For 1-3/8" Shafts KNOCKER138
Prop Knocker All Brass Harmonic Prop Puller - For 1" And 1-1/8" Shafts Prop Knocker All Brass Harmonic Prop Puller - For 1" And 1-1/8" Shafts
11%
$77.95 $87.99
Prop Knocker All Brass Harmonic Prop Puller - For 1-3/8" Shafts KNOCKER138
$77.95 $87.99
All Brass Prop Knocker - Fits 1-3/8"Shafts 1-8 threads CNC Machined from All Brass with perfection. Threads onto the shaft, excellent for splined shafts. Simply screw...
Prop Knocker All Brass Harmonic Prop Puller - For 1" And 1-1/8" Shafts KNOCKER118
Prop Knocker All Brass Harmonic Prop Puller - For 1" And 1-1/8" Shafts Prop Knocker All Brass Harmonic Prop Puller - For 1" And 1-1/8" Shafts
17%
$49.95 $59.99
Prop Knocker All Brass Harmonic Prop Puller - For 1" And 1-1/8" Shafts KNOCKER118
$49.95 $59.99
All Brass Prop Knocker - Fits 1" & 1-1/8" Shafts 3/4"-10 threads CNC Machined from All Brass with perfection. Threads onto the shaft, excellent for splined...
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...
Tracking Fin - Special Turn Fin Flat Base Marine Hardware Fineline TURN6.00-F-B
Tracking Fin - Special Turn Fin Flat Base Marine Hardware TURN6.00-F-B Tracking Fin - Special Turn Fin Flat Base Marine Hardware TURN6.00-F-B
7%
$229.05 $246.30
Tracking Fin - Special Turn Fin Flat Base Marine Hardware Fineline TURN6.00-F-B
$229.05 $246.30
Tracking Fin - Special Turn Fin Flat Base Marine Hardware Fits Centurion and Supreme boats TURN6.00-F-B Marine Hardware,™ Inc. proudly makes the most competitive product line...
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
22%
$630.29 $808.12
Strut - Tige-16-T- Tall Model - 16 Degree - 1-1/8 Inch Shaft 6 Hole Bolt Pattern - Includes Strut Bearings MHST757-1.12
$630.29 $808.12
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
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
20%
$385.00 $479.00
1-1/8" PSS Shaft Seal Kit 1-1/8" Diameter Drive Shafts Comes With Install Kit
$385.00 $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 Box Backing Plate Only OEM BKPLSQSML-B
Rudder Box Backing Plate Only OEM BKPLSQSML-B
7%
$84.00 $90.66
Rudder Box Backing Plate Only OEM BKPLSQSML-B
$84.00 $90.66
Rudder BOX Backing Plate Only BKPLSQSML-B 4" X 4" Plate with 3/8" holes; slotted for easier installation! If you need the Complete Assembly - CLICK...
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