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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!

Strut Mastercraft 1986 Up 1-1/8 Inch 16 Degree Drive Shaft - Includes New Bearings
$713.00 $909.91
Has 8 Mounting holes and includes brass shelled rubber strut bearings! Fits 1986 up Mastercraft boats with the Powerslot or V-drive 1-1/8" shafts with an...
1-1/8" Custom Inboard Prop Shaft System With Borg Warner Style 4" Coupler Dual Taper 47.00 Inch Assembled Length 1-1/8" Custom Inboard Prop Shaft System With Borg Warner Style 4" Coupler Dual Taper 47.00 Inch Assembled Length
$768.00 $1,001.24
Marine Hardware 1-1/8" Custom Prop Shaft & Borg Walters Coupler Works for shaft TIP to TIP Length of 47.00 inches. 1-1/8" Shaft Diameter Walters Coupler...
1" Custom Inboard Prop Shaft System With Borg Warner Style 4" Coupler Dual Taper 45.50 Inch Assembled Length 1" Custom Inboard Prop Shaft System With Borg Warner Style 4" Coupler Dual Taper 45.50 Inch Assembled Length
$585.00 $825.46
Marine Hardware 1" Custom Prop Shaft & Borg Warner Style Coupler Shaft length is 45.50" Assembled Length 1" Shaft Diameter Borg Warner 4" Coupler Face...
1" Custom Inboard Prop Shaft System With Borg Warner Style 4" Coupler Dual Taper 50.625 Inch Assembled Length 1" Custom Inboard Prop Shaft System With Borg Warner Style 4" Coupler Dual Taper 50.625 Inch Assembled Length
$685.00 $825.46
Marine Hardware 1" Custom Prop Shaft & Borg Warner Style Coupler Shaft length is 50-5/8" Assembled Length 1" Shaft Diameter Borg Warner 4" Coupler Face...
1-1/8" Custom Inboard Prop Shaft System With Borg Warner Style 4" Coupler Dual Taper 49.50 Inch Assembled Length 1-1/8" Custom Inboard Prop Shaft System With Borg Warner Style 4" Coupler Dual Taper 49.50 Inch Assembled Length
$562.00 $825.46
Marine Hardware 1-1/8" Custom Prop Shaft & Borg Warner Style Coupler Shaft length is 49.50" Assembled Length 1-1/8" Shaft Diameter Borg Warner 4" Coupler Face...
1" Custom Inboard Prop Shaft System With Borg Warner Style 4" Coupler Dual Taper 57.75 Inch Assembled Length 1" Custom Inboard Prop Shaft System With Borg Warner Style 4" Coupler Dual Taper 50.625 Inch Assembled Length
$685.00 $825.46
Marine Hardware 1" Custom Prop Shaft & Borg Warner Style Coupler Shaft length is 57.75" Assembled Length 1" Shaft Diameter Borg Warner 4" Coupler Face...
1-1/8" Custom Inboard Prop Shaft System With Walters Direct Drive Style Coupler Dual Taper 48.00 Inch Assembled Length
$625.76 $825.46
Marine Hardware 1-1/8" Custom Prop Shaft & Walters Style Coupler 48 Inches long from outside face of shaft coupler to end of shaft. 1-1/8" Shaft...
Prop Knocker All Brass Harmonic Prop Puller - For 1-3/4" Shafts KNOCKER214250 Prop Knocker All Brass Harmonic Prop Puller - For 1-3/4" Shafts KNOCKER214250
$249.95 $279.95
NOTE: Special M42 x 3 Thread Pitch! All Brass Prop Knocker - Fits 2-1/4" And 2-1/2" Shafts CNC Machined from AllĀ Brass with perfection. Threads onto...
5000 Series Output Coupler | Velvet Drive 2001031001
$584.33 $743.90
For Velvet Drive 5000 series transmissions Output Shaft Coupler OEM by Velvet Drive Brand
Rudder Assembly RPTH400-SB-P Rudder Assembly RPTH400-SB-P
$1,249.00 $1,588.81
$1,249.00 $1,588.81
Marine Hardware Rudder Assembly Keyed Port Side Ā 
1" Custom Inboard Prop Shaft System With Borg Warner Style 4" Coupler Dual Taper 49.50 Inch Assembled Length 1" Custom Inboard Prop Shaft System With Borg Warner Style 4" Coupler Dual Taper 49.50 Inch Assembled Length
$605.00 $825.46
Marine Hardware 1" Custom Prop Shaft & Borg Warner Style Coupler Shaft length is 49.50" Assembled Length 1" Shaft Diameter Borg Warner 4" Coupler Face...
Strut 1" Drive Shaft Diameter 16 Degree Includes New Bearings MHSTRUT714-1.00 S-19 Strut 1" Drive Shaft Diameter 16 Degree Includes New Bearings MHSTRUT714-1.00 S-19
$685.00 $769.69
Marine Hardware Strut 1" ONE INCH driveshaft and 4 bolt mounting pattern & includes bearings. OEM# MHSTRUT714 Has 4 Mounting Holes and includes brass shelled...
1-1/8" Custom Inboard Prop Shaft System With Borg Warner Style 4" Coupler Dual Taper 47.00 Inch Assembled Length 1-1/8" Custom Inboard Prop Shaft System With Borg Warner Style 4" Coupler Dual Taper 47.00 Inch Assembled Length
$724.90 $1,001.24
Marine Hardware 1-1/8" Custom Prop Shaft & Borg Warner Style Coupler 4 Inch Diameter Works for shaft TIP to TIP Length of 47.00 inches. 1-1/8"...
Strut | 1-1/8  Inch Shaft 6 Hole Bolt Pattern Includes Strut Bearings STSL18581.125-SKCN Strut | 1-1/8  Inch Shaft 6 Hole Bolt Pattern Includes Strut Bearings STSL18581.125-SKCN
$667.71 $777.82
Fits Centurion | Supreme with 1-1/8" driveshaft and 6 bolt mounting pattern Has 6 Mounting Holes and includes brass shelled rubber strut bushings! All struts...
1" Custom Inboard Prop Shaft System With Borg Warner Style 4" Coupler Dual Taper 48.00 Inch Assembled Length 1" Custom Inboard Prop Shaft System With Borg Warner Style 4" Coupler Dual Taper 48.00 Inch Assembled Length
$605.00 $825.46
Marine Hardware 1" Custom Prop Shaft & Borg Warner Style Coupler Shaft length is 48.00" Assembled Length 1" Shaft Diameter Borg Warner 4" Coupler Face...
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
$713.00 $987.69
14 Degree with a 6 bolt mounting pattern - Fits 1" - ONE INCH Shafts SUPRA Has 6 Mounting Holes and includes brass shelled rubber...
O-Ring | ZF Industries 0634303314
$15.00
O-Ring OEM Replaces Hurth 0634303314, 105559
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 $62.95
GLIDEĀ® STRUT BEARING | BUSHING SET 1" - 1 Inch Shafts Shaft Size-Diameter: 1.00" Strut Inside Diameter: 1-1/2" Bearing Length: 2.00" Each Set: Comes 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 $57.00
GLIDEĀ® STRUT BEARING | BUSHING SET 1" - 1 Inch Shafts Shaft Size-Diameter: 1.00" Strut Inside Diameter: 1-3/8" Bearing Length: 2.00" Each Set: Comes with...
GlideĀ® Dripless Shaft Seal 1-1/4" X 2.00" OEM GMSS 1.250X2.000
$175.00 $199.00
GlideĀ® Dripless Shaft Seal 1-1/4" X 2.00" GLIDE Marine Seal Systems are comprised entirely of our GLIDE-400 material and areĀ  roudly made in the USA....
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