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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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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 Packing Nut Wrench For Rudder | Shaft Stuffing Box 2-1/4" OEM SPW-415
9%
$38.95 $42.95
Packing Nut Wrench For Rudder | Shaft Stuffing Box 2-1/4" OEM SPW-415
$38.95 $42.95
2-1/4" 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 Set | Bushing 1" Shaft Diameter OEM 1.000X1.250X2.000
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
21%
$45.00 $57.00
Glide Strut Bearing Set | Bushing 1" Shaft Diameter OEM 1.000X1.250X2.000
$45.00 $57.00
GLIDE® STRUT BEARING | BUSHING SET 1" - One Inch Shafts Shaft Size-Diameter: 1.00" Strut Inside Diameter: 1-1/4" Bearing Length: 2.00" Each Set: Comes with...
Rudder Assembly Mastercraft 1987 - 2015 - Flat Tiller Arm Keyed Port Or Starboard
Rudder Assembly Mastercraft 1987 - 2015 - Flat Tiller Arm Keyed Port Or Starboard Rudder Assembly Mastercraft 1987 - 2015 - Flat Tiller Arm Keyed Port Or Starboard
22%
$1,135.00 $1,448.99
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...
Rudder Assembly RPTN Slotted Port or Starboard Drop TA-RPTNSB-P-DROP
REPLACEMENT RUDDER ASSEMBLY FOR TOURNAMENT SKI BOATS
12%
$1,089.48 $1,238.05
Rudder Assembly RPTN Slotted Port or Starboard Drop TA-RPTNSB-P-DROP
$1,089.48 $1,238.05
REPLACEMENT RUDDER ASSEMBLY FOR TOURNAMENT SKI BOATS Marine Hardware rudders are cast and machined in the USA The tiller arm is double keyed for left...
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 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 Strut Bushing Set 1 Inch I.D. X 1-1/2 Inch O.D. Brass Bearings SB1.0X1.5
15%
$145.00 $169.95
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...
Bolt Flywheel Damper GM Small And Big Block Engine OEM R009092
Bolt Flywheel Damper GM Small And Big Block Engine OEM R009092
55%
$6.24 $13.73
Bolt Flywheel Damper GM Small And Big Block Engine OEM R009092
$6.24 $13.73
You can use your old bolts. These bolts fit standard thread flywheels  Grade 5 -  3/8 - 1 X 1"  Be sure to make sure...
1-1/8" X 5" Inboard Shaft System With Inverted Hurth Steel Coupler Dual Taper 50.00" Assembled Length
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
26%
$610.00 $828.77
1-1/8" X 5" Inboard Shaft System With Inverted Hurth Steel Coupler Dual Taper 50.00" Assembled Length
$610.00 $828.77
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...
1-1/4" Custom Inboard Prop Shaft System With Borg Warner Style 5" Coupler Dual Taper 58.75 Inch Assembled Length
1-1/4" Custom Inboard Prop Shaft System With Borg Warner Style 5" Coupler Dual Taper 58.75 Inch Assembled Length 1-1/4" Custom Inboard Prop Shaft System With Borg Warner Style 5" Coupler Dual Taper 58.75 Inch Assembled Length
28%
$659.00 $910.22
1-1/4" Custom Inboard Prop Shaft System With Borg Warner Style 5" Coupler Dual Taper 58.75 Inch Assembled Length
$659.00 $910.22
Marine Hardware 1-1/4" Custom Prop Shaft & Borg Warner Style Coupler 5 Inch Diameter Works for shaft TIP to TIP Length of 58-3/4 inches. 1-1/4"...
Strut Bushing Set 1-1/8 Inch I.D. X 1-3/8 Inch O.D. Brass Bearings OEM Marine Hardware
Strut Bushing Set 1-1/8 Inch I.D. X 1-3/8 Inch O.D. Brass Bearings OEM Marine Hardware
20%
$159.05 $199.00
Strut Bushing Set 1-1/8 Inch I.D. X 1-3/8 Inch O.D. Brass Bearings OEM Marine Hardware
$159.05 $199.00
1-1/8" I.D. x 1-3/8" O.D. MARINE HARDWARE OEM STRUT BEARING SET Fits most Malibu 1993 and up with 1-1/8" drive shafts, direct drive and the...
Glide Strut Bearing Set | Bushing 1-1/8" Shaft Diameter| 1-1/2 Outside Diameter OEM 1.125X1.500X3.000
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
22%
$47.00 $60.00
Glide Strut Bearing Set | Bushing 1-1/8" Shaft Diameter| 1-1/2 Outside Diameter OEM 1.125X1.500X3.000
$47.00 $60.00
GLIDE® STRUT BEARING | BUSHING SET 1-1/8" - One Inch Shafts Shaft Size-Diameter: 1-1/8" Strut Inside Diameter: 1-1/2" Bearing Length: 3.00" Each Set: Comes with...
Glide Strut Bearing Set | Bushing 1-1/8" Shaft Diameter| 1-1/2 Outside Diameter OEM 1.125X1.500X2.000
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
21%
$45.00 $57.00
Glide Strut Bearing Set | Bushing 1-1/8" Shaft Diameter| 1-1/2 Outside Diameter OEM 1.125X1.500X2.000
$45.00 $57.00
GLIDE® STRUT BEARING | BUSHING SET 1-1/8" - One Inch Shafts Shaft Size-Diameter: 1-1/8" Strut Inside Diameter: 1-1/2" Bearing Length: 2.00" Each Set: Comes with...
Glide Strut Bearing Set | Bushing 1-1/8" Shaft Diameter | 1-3/8 Outside Diameter OEM 1.125X1.375X2.000
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
21%
$45.00 $57.00
Glide Strut Bearing Set | Bushing 1-1/8" Shaft Diameter | 1-3/8 Outside Diameter OEM 1.125X1.375X2.000
$45.00 $57.00
GLIDE® STRUT BEARING | BUSHING SET 1-1/8" - One Inch Shafts Shaft Size-Diameter: 1-1/8" Strut Inside Diameter: 1-3/8" Bearing Length: 2.00" Each Set: Comes with...
Glide® Replacement Seal Kit 1" | One Inch OEM GMS-TL-1.000
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%
$32.50 $47.50
Glide® Replacement Seal Kit 1" | One Inch OEM GMS-TL-1.000
$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...
Acme Harmonic Prop Puller For 2-1/4 - 2-1/2 Inch Shafts 5021
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
10%
$212.05 $234.70
Acme Harmonic Prop Puller For 2-1/4 - 2-1/2 Inch Shafts 5021
$212.05 $234.70
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...
Prop Knocker All Brass Harmonic Prop Puller - For 1-3/8" Shafts KNOCKER138
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
11%
$77.95 $87.99
Prop Knocker All Brass Harmonic Prop Puller - For 1-3/8" Shafts KNOCKER138
$77.95 $87.99
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...
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