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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
30%
$1,045.00 $1,490.09
Rudder - 1000-C803 - Rudder Coronado
$1,045.00 $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...
Rudder Algonac Cast 1000C803
Rudder Algonac Cast 1000C803 Rudder Algonac Cast 1000C803
23%
$1,145.00 $1,490.09
Rudder Algonac Cast 1000C803
$1,145.00 $1,490.09
REPLACEMENT RUDDER - POST AND RUDDER ONLY - KEYED FOR PORT Post 1" Diameter Blade Length is 11.5" tall LONG Side Blade Length is 8.5"...
Rudder Box Assembly Ski Boat - RBST1.00-SLOT-BRG
Rudder Box Assembly Ski Boat - RBST1.00-SLOT-BRG Rudder Box Assembly Ski Boat - RBST1.00-SLOT-BRG
33%
$399.55 $600.30
Rudder Box Assembly Ski Boat - RBST1.00-SLOT-BRG
$399.55 $600.30
Rudder BOX Assembly RPTNSLOTRBSTASSY RBST1.00-SLOT-BRG 4" X 4" Plate with 3/8" holes; slotted for easier installation! If you only need a Sealing Kit - CLICK HERE...
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...
Rudder Port Stuffing Box Body 1" Shaft Algonac OEM 2200 1
Rudder Port Stuffing Box Body 1" Shaft Algonac OEM 2200 1
32%
$229.00 $335.49
Rudder Port Stuffing Box Body 1" Shaft Algonac OEM 2200 1
$229.00 $335.49
STUFFING BOX FOR 1" SHAFT Algonac OEM 22001 Square Base Center to center of mounting holes is 2.5" Base size is 3.5" Square Bottom protrusion is...
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%
$85.00 $131.55
Rudder Seal Kit 1" For Rudder Box Marine Hardware - RBST1.00-SEAL-KIT
$85.00 $131.55
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"...
Seal Kit Lower Unit Lower Unit Seal Kit 84-86 OEM BRP-0396352
Seal Kit Lower Unit Lower Unit Seal Kit 84-86 OEM BRP-0396352
5%
$61.00 $63.99
Seal Kit Lower Unit Lower Unit Seal Kit 84-86 OEM BRP-0396352
$61.00 $63.99
Lower unit seal kit for Johnson Evinrude O-Ring Seal Kit 25 HP 1984 25 Comm., 28 SPL, 30 SPL 1985-96  
Seal Kit Lower Unit Lower Unit Seal Kit for Johnson Evinrude OEM 18-2684
Seal Kit Lower Unit Lower Unit Seal Kit for Johnson Evinrude OEM 18-2684
7%
$31.00 $33.49
Seal Kit Lower Unit Lower Unit Seal Kit for Johnson Evinrude OEM 18-2684
$31.00 $33.49
Lower unit seal kit for Johnson Evinrude Sierra Kit Replaces Mallory 9-74105  
Sealant Marine Grade 3M White 5200 Fast Cure
Sealant Marine Grade 3M White 5200 Fast Cure
34%
$28.00 $42.74
Sealant Marine Grade 3M White 5200 Fast Cure
$28.00 $42.74
5200 3M Fast curing adhesive sealant ideal for permanent bonding of fiberglass, wood and gelcoat. 3M 5200 marine adhesive sealant Fast cure in 24-48 hours...
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...
Shaft Log 14-16 Degree Bronze OEM Marine Hardware
Shaft Log 14-16 Degree Bronze OEM Marine Hardware Shaft Log 14-16 Degree Bronze OEM Marine Hardware
34%
$105.00 $158.52
Shaft Log 14-16 Degree Bronze OEM Marine Hardware
$105.00 $158.52
12 to 16 Degree Shaft Log By Marine Hardware° Note: When the shaft log is connected to the stuffing box with a rubber hose, the angle...
Shaft Log 15-16 Degree Aluminum OEM Marine Hardware - SHLG16150A
Shaft Log 15-16 Degree Aluminum OEM Marine Hardware - SHLG16150A
9%
$116.05 $128.04
Shaft Log 15-16 Degree Aluminum OEM Marine Hardware - SHLG16150A
$116.05 $128.04
15-16 Degree Shaft Log By Marine Hardware® Note: When the shaft log is connected to the stuffing box with a rubber hose, the angle can...
Shaft Seal Only OJ 1-1/8 With Snap Ring GBS1125-JP
Shaft Seal Only OJ 1-1/8 With Snap Ring GBS1125-JP
29%
$34.00 $48.00
Shaft Seal Only OJ 1-1/8 With Snap Ring GBS1125-JP
$34.00 $48.00
Replacement seal for GLIDE GMSS and OJ dripless systems with 1-1/8" shafts. Fits OJ rudder ports original equipment on Mastercrafts 2003 through 2012. This does...
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...
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...
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
31%
$530.00 $769.69
Strut - 16 Degree Centurion 1998 & Up 1-1/8 Inch Shaft 6 Hole Bolt Pattern STSL-16 Includes Strut Bearings MHSTRUTSTSL16-125
$530.00 $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...
Strut - 15 Degree - 1 Inch Shaft 6 Hole Bolt Pattern STSL-15 Includes Strut Bearings
STRUT - 15 DEGREE - 1-1/8 INCH SHAFT 6 HOLE BOLT PATTERN STSL-15 INCLUDES STRUT BEARINGS
31%
$530.29 $769.69
Strut - 15 Degree - 1 Inch Shaft 6 Hole Bolt Pattern STSL-15 Includes Strut Bearings
$530.29 $769.69
Fits boats with 1" driveshaft and 6 bolt mounting pattern15 degree. Has 6 Mounting Holes and includes brass shelled rubber strut bushings! All struts are...
Strut - 15 Degree - 1-1/8 Inch Shaft 6 Hole Bolt Pattern STSL-15 Includes Strut Bearings
STRUT - 15 DEGREE - 1-1/8 INCH SHAFT 6 HOLE BOLT PATTERN STSL-15 INCLUDES STRUT BEARINGS
31%
$530.29 $769.69
Strut - 15 Degree - 1-1/8 Inch Shaft 6 Hole Bolt Pattern STSL-15 Includes Strut Bearings
$530.29 $769.69
Fits boats with 1-1/8" driveshaft and 6 bolt mounting pattern15 degree. Has 6 Mounting Holes and includes brass shelled rubber strut bushings! All struts are...
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 - 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
12%
$545.00 $619.99
Strut - Mastercraft 1986 and Up With 1 Inch Drive Shaft 16 Degree - Includes New Bearings
$545.00 $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...
STRUT - MASTERCRAFT WITH 1" ONE INCH DRIVE SHAFT - INCLUDES NEW BEARINGS
STRUT - MASTERCRAFT WITH <b>1" ONE INCH</b> DRIVE SHAFT - INCLUDES NEW BEARINGS
33%
$516.00 $769.69
STRUT - MASTERCRAFT WITH 1" ONE INCH DRIVE SHAFT - INCLUDES NEW BEARINGS
$516.00 $769.69
Fits Mastercraft boats with 1" ONE INCH driveshaft and 8 bolt mounting pattern OEM# MHSTRUT723-1.0 Has 8 Mounting Holes and includes brass shelled rubber strut bushings!...
STRUT - MASTERCRAFT WITH 1-1/8 INCH DRIVE SHAFT - INCLUDES NEW BEARINGS
STRUT - MASTERCRAFT WITH <b>1-1/8 INCH</b> DRIVE SHAFT - INCLUDES NEW BEARINGS
32%
$524.00 $769.69
STRUT - MASTERCRAFT WITH 1-1/8 INCH DRIVE SHAFT - INCLUDES NEW BEARINGS
$524.00 $769.69
Fits Mastercraft boats with 1-1/8" driveshaft and 8 bolt mounting pattern OEM# MHSTRUT723-1.25 Has 8 Mounting Holes and includes brass shelled rubber strut bushings! We take...
Strut - Moomba-Supra Vee Drive 15 Degree 1-1/8" Shaft Size Includes Strut Bearings MH701-1.12
Strut - Moomba-Supra Vee Drive 15 Degree 1-1/8" Shaft Size Includes Strut Bearings MH701-1.12
15%
$524.00 $619.00
Strut - Moomba-Supra Vee Drive 15 Degree 1-1/8" Shaft Size Includes Strut Bearings MH701-1.12
$524.00 $619.00
15 Degree with a 6 bolt mounting pattern - Fits 1-1/8" Shafts Has 6 Mounting Holes and includes brass shelled rubber strut bushings! Fits most...
Strut - Sanger 16 Degree 1-1/8 Inch Shaft 6 Hole Pattern - Includes Strut Bearings MH-710-1.12
Strut - Sanger 16 Degree 1-1/8 Inch Shaft 6 Hole Pattern - Includes Strut Bearings MH-710-1.12 Strut - Sanger 16 Degree 1-1/8 Inch Shaft 6 Hole Pattern - Includes Strut Bearings MH-710-1.12
12%
$545.00 $619.00
Strut - Sanger 16 Degree 1-1/8 Inch Shaft 6 Hole Pattern - Includes Strut Bearings MH-710-1.12
$545.00 $619.00
Fits boats with 1-1/8" driveshaft and 6 bolt mounting pattern16 degree - Sanger Has 6 Mounting Holes and includes brass shelled rubber strut bushings! All...
Strut - Sanger 16 Degree 1-1/8 Inch Shaft 6 Hole Pattern - Includes Strut Bearings SNGRST2012
Strut - Sanger 16 Degree 1-1/8 Inch Shaft 6 Hole Pattern - Includes Strut Bearings SNGRST2012
29%
$545.00 $769.63
Strut - Sanger 16 Degree 1-1/8 Inch Shaft 6 Hole Pattern - Includes Strut Bearings SNGRST2012
$545.00 $769.63
Fits boats with 1-1/8" driveshaft and 6 bolt mounting pattern16 degree - Sanger Has 6 Mounting Holes and includes brass shelled rubber strut bushings! 70...
Strut - Tige 15 Degree 1-1/8 Inch Shaft 6 Hole Pattern - Includes Strut Bearings OEM TIGEU1004
Strut - Tige 15 Degree 1-1/8 Inch Shaft 6 Hole Pattern - Includes Strut Bearings OEM TIGEU1004
25%
$575.00 $769.62
Strut - Tige 15 Degree 1-1/8 Inch Shaft 6 Hole Pattern - Includes Strut Bearings OEM TIGEU1004
$575.00 $769.62
Fits boats with 1-1/8" driveshaft and 6 bolt mounting pattern15 degree Has 6 Mounting Holes and includes brass shelled rubber strut bushings! Tige - 15...
Strut - Tige 16 Degree 1-1/8 Inch Shaft 6 Hole Pattern - Includes Strut Bearings SEF-1012-16
Strut - Tige 16 Degree 1-1/8 Inch Shaft 6 Hole Pattern - Includes Strut Bearings SEF-1012-16
32%
$521.49 $769.69
Strut - Tige 16 Degree 1-1/8 Inch Shaft 6 Hole Pattern - Includes Strut Bearings SEF-1012-16
$521.49 $769.69
Fits boats with 1-1/8" driveshaft and 6 bolt mounting pattern16 degree Has 6 Mounting Holes and includes brass shelled rubber strut bushings! All of our...
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-<b>16-T- Tall</b> 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 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
16%
$645.00 $769.63
Strut 16 Degree 1 Inch Shaft 6 Hole Pattern Includes Strut Bearings MHST711-1.0
$645.00 $769.63
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
16%
$645.00 $769.63
Strut 16 Degree 1-1/8 Inch Shaft 6 Hole Pattern Includes Strut Bearings MHST711-1.12
$645.00 $769.63
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...
Strut 15 Degree 1 Inch Shaft 6 Hole Bolt Pattern STSL-15 Includes Strut Bearings
STRUT - 15 DEGREE - 1 (ONE) INCH SHAFT 6 HOLE BOLT PATTERN STSL-15 INCLUDES STRUT BEARINGS
31%
$530.29 $769.69
Strut 15 Degree 1 Inch Shaft 6 Hole Bolt Pattern STSL-15 Includes Strut Bearings
$530.29 $769.69
Fits boats with 1" ONE INCH driveshaft and 6 bolt mounting pattern15 degree. Has 6 Mounting Holes and includes brass shelled rubber strut bushings! All...
Items 65 to 96 of 122 total