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!

Packing Nut Wrench For Rudder | Shaft Stuffing Box 2-1/4" OEM SPW-415 Packing Nut Wrench For Rudder | Shaft Stuffing Box 2-1/4" OEM SPW-415
$42.95 $52.95
2-1/2" Rudder & Shaft Stuffing Box Wrench for Inboards, made out of 3/8" thick Billet Aluminum | Black Anodized This is a Stub Wrench for...
Glide Strut Bearing | Bushing 1-1/4" Shaft Diameter OEM 1.250X1.500X2.000 Glide Strut Bearing | Bushing 1-1/4" Shaft Diameter OEM 1.250X1.500X2.000
$50.00 $63.95
GLIDE® STRUT BEARING | BUSHING SET 1" - 1 Inch Shafts Shaft Size-Diameter: 1.00" Strut Inside Diameter: 1-1/4" Bearing Length: 3.00" Each Set: Comes with...
Glide® Replacement Seal Kit 1" | One Inch OEM GMS-TL-1.000 Glide® Replacement Seal Kit 1-1/4" | OEM GMS-TL-1.250
$37.00 $52.00
Glide® Replacement Seal Kit 1-1/4" Our replacement seal kits are compatible with any Glide Housing with the (6) screw cap. Glide Seal Kit Includes: Seal...
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
$85.95 $97.99
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...
Rudder Assembly Mastercraft 1987 - 2015 - Flat Tiller Arm Keyed Port Or Starboard Rudder Assembly Mastercraft 1987 - 2015 - Flat Tiller Arm Keyed Port Or Starboard
$1,135.00 $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...
Strut Bushing Brass Sleeve Bearing, 1-1/4 x 2 x 5 inch | Duramax BITE
$87.59 $185.68
STRUT BEARING SET 1-1/4" I.D. x 2.00" O.D. X 5" Long 1-1/4 inch x 2 inch x 5 inch brass sleeve bearing provides a wear...
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
$204.60 $270.93
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 Algonac Cast 1000C803 Rudder Algonac Cast 1000C803
$1,145.00 $1,490.09
$1,145.00 $1,490.09
REPLACEMENT RUDDER - POST AND RUDDER ONLY - KEYED FOR STARBOARD We can add an additional key for 99.00 USD Please call for additional keying....
Strut Bushing Set 1 Inch I.D. X 1-1/2 Inch O.D. Brass Bearings SB1.0X1.5 Strut Bushing Set 1 Inch I.D. X 1-1/2 Inch O.D. Brass Bearings SB1.0X1.5
$145.00 $169.95
STRUT BEARING SET 1" I.D. x 1-1/2" O.D. Fits some of the late model 1970's & 1980's Mastercrafts with the 1:1 Velvet Drive transmission. These...
Strut - 16 Degree Centruion 1998 & Up - 1 Inch Shaft 6 Hole Bolt Pattern STSL-16 Includes Strut Bearings MHSTRUTSTSL16-10
$734.15 $978.56
Fits boats with 1" (ONE INCH) driveshaft and 6 bolt mounting pattern 16 degree - 1" Shaft Has 6 Mounting Holes and includes brass shelled...
Glide® Dripless Bearing T-Fitting 316 High Quality Stainless Steel 1-1/4 Inch OEM T-FIT 1.25 Glide® Dripless Bearing T-Fitting 316 High Quality Stainless Steel 1-1/4 Inch OEM T-FIT 1.25
$20.00 $24.00
Stainless Steel T-Fitting for the Glide® Marine Seal System Works with the following Glide® Marine Seal System combinations: GMSS 1.125X1.75 GMSS 1.250X2.00  This T-Fitting comes...
1-1/8" X 5" Inboard Shaft System With Inverted Hurth Steel Coupler Dual Taper 55.750 Assembled Length 1-1/8" X 5" Inboard Shaft System With Inverted Hurth Steel Coupler Dual Taper 55.750 Assembled Length
$671.00 $911.65
1-1/8" X 5" A.R.E Inboard Shaft System With Inverted 5" Face Diameter Hurth Steel Coupler Dual Taper Shaft length is 52.250 Long Assembled Length with...
Glide Strut Bearing | Bushing 1-1/4" Shaft Diameter OEM 1.250X1.500X2.000 Glide Strut Bearing | Bushing 1-1/4" Shaft Diameter OEM 1.250X1.500X2.000
$45.00 $60.00
GLIDE® STRUT BEARING | BUSHING SET 1-1/4" - 1-1/4 Inch Shafts Shaft Diameter: 1-1/4" Strut Inside Diameter: 1-1/2" Bearing Length: 3.00" Each Set: Comes with...
Glide® Replacement Seal Kit 1" | One Inch OEM GMS-TL-1.000 Glide® Replacement Seal Kit 1-1/4" | OEM GMS-TL-1.250
$32.50 $47.50
Glide® Replacement Seal Kit 1" - One Inch Our replacement seal kits are compatible with any Glide Housing with the (6) screw cap. Glide Seal...
Glide® Dripless Shaft Seal Complete Kit  1-1/4" X 2.00" OEM GMSS 1.250X2.000 KIT
$195.00 $207.92
1-1/4" X 2.00" Glide® Dripless Shaft Complete Seal Kit  For those ready to tackle the job of replacing your existing seal system on your own, we...
Glide® Dripless Shaft Seal Complete Kit  1-1/4" X 2.00" OEM GMSS 1.250X2.000 KIT
$165.00 $177.00
1" X 1.5" Glide® Dripless Shaft Complete Seal Kit For those ready to tackle the job of replacing your existing seal system on your own, we...
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