PLEASE NOTE - Some products are not immediately available. If your order will be delayed, we will e-mail you or call you and let you know.
E-MAIL US HERE about availability and we will respond quickly! We ship same day if your order was placed by 1:00 PM EST during normal business hours BASED ON AVAILABILITY.
NEXT DAY SHIPPING NOTE - Please see our Shipping Policy SATURDAY OR SUNDAY DELIVERY IS NOT AN OPTION.

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!

Strut Bushing 1-1/4 Inch I.D. X 2.00 Inch O.D. Brass Marine Hardware Bushing
16%
$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
33%
$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
22%
$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
19%
$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
18%
$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...
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+1/8" 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...
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" 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
11%
$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
14%
$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...
Tracking Fin - Malibu Turn Fin Flat Base Marine Hardware - MLBU000341
16%
$225.00 $267.75
Tracking Fin - Malibu Turn Fin Flat Base Marine Hardware - MLBU000341 Marine Hardware,™ Inc. proudly makes the most competitive product line of ski boat turn...
Install Tool For 1-1/4" Flex Gland Seal  - Fits The 1-1/4"Flex Gland Dripless Shaft Seal by Johnson Propellers OJFGB_1.25 Install Tool For 1-1/4" Flex Gland Seal  - Fits The 1-1/4"Flex Gland Dripless Shaft Seal by Johnson Propellers OJFGB_1.25
16%
$16.00 $19.00
Plastic INSTALL TOOL only! Used to protect the new seal for your 1-1/4" Johnson Propellers Dripless Shaft Replacement Seal and Housing Only For 1-1/4"Flex Gland...
Tracking Fin - Special Turn Fin Flat Base Marine Hardware - TURN2020
29%
$275.00 $387.89
Tracking Fin - Special Turn Fin Flat Base Marine Hardware - TURN2020  70mag - SEE IMAGE FOR SPECS Marine Hardware,™ Inc. proudly makes the most...
STRUT - 15 DEGREE - 1-1/8 INCH SHAFT 6 HOLE BOLT PATTERN STSL-15 INCLUDES STRUT BEARINGS
31%
$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...
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
3%
$619.00 $636.00
15 Degree with a 6 bolt mounting pattern - Fits 1" - ONE INCH Shafts MOOMBA Has 6 Mounting Holes and includes brass shelled rubber...
15 Degree 1-1/8" Inch Shaft Size Includes Strut Bearings MHST705-1.00-1.12 15 Degree 1-1/8" Inch Shaft Size Includes Strut Bearings Moomba - MHST705-1.00-1.12
34%
$505.49 $769.63
15 Degree with a 6 bolt mounting pattern - Fits 1-1/8" Shafts MOOMBA Has 6 Mounting Holes and includes brass shelled rubber strut bushings! All...
Coupler & Set Screw Combo for A.R.E. Drive Shaft Systems - 5 Inch ZF Hurth Inverted Style Coupler OEM Coupler & Set Screw Combo for A.R.E. Drive Shaft Systems - 5 Inch ZF Hurth Inverted Style Coupler OEM
35%
$185.00 $284.00
COUPLER & SET SCREW ONLY - Picture for reference only! Fits ALL and ONLY A.R.E. Drive Shafts with the Inverted ZF Hurth Style Coupler. PLEASE look...
Items 161 to 176 of 188 total