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...
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
$177.50 $225.00
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...
Rudder Assembly With Rudder Box STRAIGHT Tiller Arm - RPMC1.00-S Rudder Assembly With Rudder Box STRAIGHT Tiller Arm - RPMC1.00-S
$1,072.46 $1,251.20
Keyed for both Port & Starboard - STRAIGHT Tiller Arm With a STRAIGHT tiller arm like the arm mounted to the rudder in this picture. THIS RUDDER COMES WITH...
RUDDER ASSEMBLY DROP ARM TILLER - RPTLSB-P-DROP
$1,112.97 $1,298.47
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...
Strut - Sanger 16 Degree 1-1/8 Inch Shaft 6 Hole Pattern - Includes Strut Bearings SNGRST2012
$695.00 $998.93
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...
Rudder Port Stuffing Box Body 1" Shaft Algonac OEM 2200 1
$695.00 $920.34
Rudder Stuffing BOX FOR 1" SHAFT Algonac OEM 22003 Square Base Center to center of mounting holes is 2.5" Base size is 3.5" Square Bottom...
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...
PSS Shaft Seal Kit 1-1/8" T-Fitting Water Supply Kit PSS Shaft Seal Kit 1-1/8" T-Fitting Water Supply Kit
$65.00
1-1/8" T-Fitting Install Kit for the 1-1/8 Inch PSS Seal Quick install water supply KIT ONLY for the PSS Shaft Seals This kit COMES WITH the...
Strut Malibu 1997 And Up 16 Degree Strut Malibu 1997 And Up 16 Degree
$667.71 $777.82
There are some late 1996 models that ight have this 16 degree strut. The former was a 15.45 degree strut. This strut also fits some Axis boats,...
Items 97 to 120 of 204 total