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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 Starboard Keyed
RUDDER ASSEMBLY N & J SEAL BOX AND PORT RPTN BLADE- RPTNNJ-P
33%
$875.00 $1,298.44
Rudder Assembly Starboard Keyed
$875.00 $1,298.44
Rudder for Starboard Pointing Tiller Arm Marine Hardware Rudder Assembly Keyed for STARBOARD side installation MFG Description: Rudder Assembly, RPTN blade, N & J seal box...
1-1/8" PSS Shaft Seal Installation Kit 1-1/8" T-Fitting Water Supply Kit INSTKIT1.0X.37
PSS Shaft Seal Kit 1" T-Fitting Water Supply Kit PSS Shaft Seal Kit 1" T-Fitting Water Supply Kit
24%
$65.00 $85.00
1-1/8" PSS Shaft Seal Installation Kit 1-1/8" T-Fitting Water Supply Kit INSTKIT1.0X.37
$65.00 $85.00
1-1/8" T-Fitting Quick install water supply KIT ONLY for the PSS Shaft Seals This kit COMES WITH the PSS Shaft Seal Kit if you purchase a PSS...
Shaft Stuffing Box 1" Shaft Algonac OEM 2200 1
Shaft Stuffing Box 1" Shaft Algonac OEM 2200 1
14%
$319.00 $369.00
Shaft Stuffing Box 1" Shaft Algonac OEM 2200 1
$319.00 $369.00
Shaft Stuffing BOX FOR 1" SHAFT Algonac OEM 2200 1 Square Base Center to center of mounting holes is 2.5" Base size is 3.5" Square...
.009 inch Shim Velvet Drive 1000037061
.009 inch Shim Velvet Drive 1000037061
23%
$9.95 $12.95
.009 inch Shim Velvet Drive 1000037061
$9.95 $12.95
Shim for Velvet Drive - .009 Inch Replaces Crusader 26163
Strut - Sanger 16 Degree 1 Inch Shaft 6 Hole Pattern - Includes Strut Bearings MH-710-1.00
Strut - Sanger 16 Degree 1 Inch Shaft 6 Hole Pattern - Includes Strut Bearings MH-710-1.00 Strut - Sanger 16 Degree 1 Inch Shaft 6 Hole Pattern - Includes Strut Bearings MH-710-1.00
14%
$555.00 $646.99
Strut - Sanger 16 Degree 1 Inch Shaft 6 Hole Pattern - Includes Strut Bearings MH-710-1.00
$555.00 $646.99
Fits boats with 1" ONE INCH Diameter driveshaft and 6 bolt mounting pattern16 degree - Sanger Has 6 Mounting Holes and includes brass shelled rubber...
Rudder - 26385 Algonac 1-1/4" Post Diameter Keyed
Rudder - 26385 Algonac 1-1/4" Post Diameter Keyed Rudder - 26385 Algonac 1-1/4" Post Diameter Keyed
34%
$1,649.00 $2,501.79
Rudder - 26385 Algonac 1-1/4" Post Diameter Keyed
$1,649.00 $2,501.79
REPLACEMENT RUDDER NUMBER 26385 ALGONAC Post is 1-1/4" Diameter With Key Note: Pictures are of a customer's boat and rudder. Your rudder will be brand...
Strut Bushing 1 Inch I.D. X 1.50 Inch O.D. Brass Marine Hardware Bushing
Strut Bushing 1-1/4 Inch I.D. X 2.00 Inch O.D. Brass Marine Hardware Bushing
34%
$105.00 $159.95
Strut Bushing 1 Inch I.D. X 1.50 Inch O.D. Brass Marine Hardware Bushing
$105.00 $159.95
STRUT BEARING ONE PIECE 1" I.D. x 1.5" O.D. OEM Marine Hardware This bearing is one piece and will replace the 2 Piece SB1.0X1.5 Bearing...
1" X 4" A.R.E. Inboard Shaft System and Coupler Dual Taper 497
1" X 4" A.R.E. Inboard Shaft System and Coupler SHAFT SYSTEM A.R.E. FOR 1 INCH X 5 INCH BORG WARNER STYLE COUPLER
19%
$549.00 $679.00
1" X 4" A.R.E. Inboard Shaft System and Coupler Dual Taper 497
$549.00 $679.00
Dual Taper, Shaft Length is 49.7" - "B" Measurement should be very near 45" You Must Supply Us With The "A" Shaft Length Measurement. Please follow the illustration...
Strut - Bayliner 1-3/4" Shaft Size Includes Strut Bearings OEM Marine Hardware MH-BAYL63332
Strut - Bayliner 1-3/4" Shaft Size Includes Strut Bearings OEM Marine Hardware MH-BAYL63332
40%
$1,989.00 $3,316.81
Strut - Bayliner 1-3/4" Shaft Size Includes Strut Bearings OEM Marine Hardware MH-BAYL63332
$1,989.00 $3,316.81
Strut - Bayliner 1-3/4" Shaft Size Includes Strut Bushings OEM MH-BAYL63332
Strut Bushing 1-1/4 Inch I.D. X 2.00 Inch O.D. Brass Morse Bushing
Strut Bushing 1-1/4 Inch I.D. X 2.00 Inch O.D. Brass Morse Bushing
48%
$78.39 $149.88
Strut Bushing 1-1/4 Inch I.D. X 2.00 Inch O.D. Brass Morse Bushing
$78.39 $149.88
STRUT BEARING SET 1-1/4" I.D. x 2.00" O.D. 1-1/4 inch x 2 inch x 5 inch brass sleeve bearing provides a wear surface between prop...
Strut Bushing 1-1/4 Inch I.D. X 2.00 Inch O.D. Brass Marine Hardware Bushing
Strut Bushing 1-1/4 Inch I.D. X 2.00 Inch O.D. Brass Marine Hardware Bushing
16%
$219.25 $259.55
Strut Bushing 1-1/4 Inch I.D. X 2.00 Inch O.D. Brass Marine Hardware Bushing
$219.25 $259.55
STRUT BEARING SET 1-1/4" I.D. x 2.00" O.D. These bearings are one long piece Bearing length is 5" long Worn strut bearings increase vibration & causes wear...
Rudder Box Assembly Ski Boat NJ Style RBST1.00NH-BRG
Rudder Box Assembly Ski Boat NJ Style RBST1.00NH-BRG Rudder Box Assembly Ski Boat NJ Style RBST1.00NH-BRG
33%
$399.55 $600.30
Rudder Box Assembly Ski Boat NJ Style RBST1.00NH-BRG
$399.55 $600.30
Rudder BOX Assembly RBST1.00NH-BRG 4" X 3-1/4" Plate with 3/8" holes; slotted for easier installation! If you need the complete rudder assembly - CLICK HERE...
Coupler Fine Spline Output Coupler Velvet Drive OEM Part VD-1000031001
Coupler Fine Spline Output Coupler Velvet Drive OEM Part VD-1000031001
22%
$290.31 $371.64
Coupler Fine Spline Output Coupler Velvet Drive OEM Part VD-1000031001
$290.31 $371.64
Output Shaft Coupler Fine Spline OEM by Velvet Drive Brand
Strut 16 Degree 1 Inch Shaft 6 Hole Pattern Includes Strut Bearings MHST711-1.0
Strut 16 Degree 1 Inch Shaft 6 Hole Pattern Includes Strut Bearings MHST711-1.0 Strut 16 Degree 1 Inch Shaft 6 Hole Pattern Includes Strut Bearings MHST711-1.0
19%
$647.00 $799.99
Strut 16 Degree 1 Inch Shaft 6 Hole Pattern Includes Strut Bearings MHST711-1.0
$647.00 $799.99
Fits boats with 1" driveshaft and 6 bolt mounting pattern16 degree REPLACES SEF-1012-1-1 One Inch Struts Has 6 Mounting Holes and includes brass shelled rubber strut...
Strut 16 Degree 1-1/8 Inch Shaft 6 Hole Pattern Includes Strut Bearings MHST711-1.12
Strut 16 Degree 1-1/8 Inch Shaft 6 Hole Pattern Includes Strut Bearings MHST711-1.12 Strut 16 Degree 1-1/8 Inch Shaft 6 Hole Pattern Includes Strut Bearings MHST711-1.12
18%
$675.00 $819.09
Strut 16 Degree 1-1/8 Inch Shaft 6 Hole Pattern Includes Strut Bearings MHST711-1.12
$675.00 $819.09
Fits boats with 1-1/8" driveshaft and 6 bolt mounting pattern16 degree REPLACES SEF-1012-1-1125 - 1-1/8 Inch Struts Has 6 Mounting Holes and includes brass shelled rubber...
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...
1-1/4" PSS Shaft Seal Installation Kit 1-1/4" T-Fitting Water Supply Kit
PSS Shaft Seal Kit 1-1/8" T-Fitting Water Supply Kit PSS Shaft Seal Kit 1-1/8" T-Fitting Water Supply Kit
12%
$75.00 $85.00
1-1/4" PSS Shaft Seal Installation Kit 1-1/4" T-Fitting Water Supply Kit
$75.00 $85.00
1+1/8" T-Fitting Quick install water supply KIT ONLY for the PSS Shaft Seals This kit COMES WITH the PSS Shaft Seal Kit if you purchase a PSS...
1-1/8" PSS Shaft Seal Installation Kit 1-1/8" T-Fitting Water Supply Kit
PSS Shaft Seal Kit 1-1/8" T-Fitting Water Supply Kit PSS Shaft Seal Kit 1-1/8" T-Fitting Water Supply Kit
23%
$50.00 $65.00
1-1/8" PSS Shaft Seal Installation Kit 1-1/8" T-Fitting Water Supply Kit
$50.00 $65.00
1+1/8" T-Fitting Quick install water supply KIT ONLY for the PSS Shaft Seals This kit COMES WITH the PSS Shaft Seal Kit if you purchase a PSS...
Stuffing Box 1-1/8" Shaft and 1-3/4" I.D. Hose and 2 Stainless Steel Hose Clamps
Stuffing Box 1-1/8" Shaft and 1-3/4" I.D. Hose and 2 Stainless Steel Hose Clamps
11%
$195.00 $219.00
Stuffing Box 1-1/8" Shaft and 1-3/4" I.D. Hose and 2 Stainless Steel Hose Clamps
$195.00 $219.00
STUFFING BOX FOR 1-1/8" SHAFT This is your traditional wax rope packed stuffing box for your 1-1/8" shaft with a 1-3/4" ID hose. Stuffing Box comes WITH...
Prop Nut And T-Handle Drain Buddy - The New "All Inclusive Prop Nut Wrench" by York
Prop Nut And T-Handle Drain Buddy - The New "All Inclusive Prop Nut Wrench" by York Prop Nut And T-Handle Drain Buddy - The New "All Inclusive Prop Nut Wrench" by York
14%
$59.95 $69.99
Prop Nut And T-Handle Drain Buddy - The New "All Inclusive Prop Nut Wrench" by York
$59.95 $69.99
Prop NuT-Handle Drain Buddy By: York Design and Fabrication What this wrench has to offer: - Install/Remove 7/8"-9 Prop Nut (1-1/4" Shaft) - Install/Remove 3/4"-10...
Items 141 to 160 of 179 total