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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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Rudder Assembly With Rudder Box STRAIGHT Tiller Arm - RPMC1.00-S
Rudder Assembly With Rudder Box STRAIGHT Tiller Arm - RPMC1.00-S Rudder Assembly With Rudder Box STRAIGHT Tiller Arm - RPMC1.00-S
24%
$985.00 $1,299.97
Rudder Assembly With Rudder Box STRAIGHT Tiller Arm - RPMC1.00-S
$985.00 $1,299.97
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 RPTH400-SB-F
Rudder Assembly RPTH400-SB-F Rudder Assembly RPTH400-SB-F
20%
$995.00 $1,238.05
Rudder Assembly RPTH400-SB-F
$995.00 $1,238.05
Marine Hardware Rudder Assembly Forward Facing Keyway Forward Facing Straight Tiller Arm  
Rudder Assembly Flat Arm Tiller - RPTLSB-P
RUDDER ASSEMBLY DROP ARM TILLER - RPTLSB-P-DROP
31%
$864.00 $1,248.81
Rudder Assembly Flat Arm Tiller - RPTLSB-P
$864.00 $1,248.81
Flat Tiller Arm - Arm is flat and does NOT drop down from the clamp. 4" X 4" Rudder Port Flange with slotted bolt holes and...
Strut MB Sort 16 Degree 1-1/8 Inch Shaft 8 Hole Bolt Pattern With Bearings MHST756-1.12
Strut MB Sort 16 Degree 1-1/8 Inch Shaft 8 Hole Bolt Pattern With Bearings MHST756-1.12 Strut MB Sort 16 Degree 1-1/8 Inch Shaft 8 Hole Bolt Pattern With Bearings MHST756-1.12
23%
$619.00 $808.12
Strut MB Sort 16 Degree 1-1/8 Inch Shaft 8 Hole Bolt Pattern With Bearings MHST756-1.12
$619.00 $808.12
ThMB Sport Strut 16 Degree - 7.38" Barrel Length SEF-1012 16 Degree Strut Fits boats with 1-1/8" driveshaft and 8 bolt mounting pattern16 degree Has...
Tool Output Flange Nut Wrench ZF Indmar 99-6010
Tool Output Flange Nut Wrench Indmar 99-6010
7%
$219.00 $235.00
Tool Output Flange Nut Wrench ZF Indmar 99-6010
$219.00 $235.00
Tool Output Flange Nut Wrench OEM Indmar 99-6010 For removing coupler attaching nut on ZF transmission Needed when attaching Walter Machine RV-26D v-drive adapter Nut...
Strut Malibu N & J With Bearings 1 Inch Shaft Marine Hardware OEM MLBU000356
Strut Malibu N & J With Bearings 1 Inch Shaft Marine Hardware OEM MLBU000356
23%
$619.00 $808.12
Strut Malibu N & J With Bearings 1 Inch Shaft Marine Hardware OEM MLBU000356
$619.00 $808.12
New Malibu Complete strut with Bushsings for a 1 inch shaft. Mostly used on Malibu's built in the 1980s. Used on Malibu Skier and Malibu...
CUSTSHAFT-1.12 PSAT17/1.12X57.250 Assy with REV BW5 Steel Coupler
1-1/8" X 5" Inboard Shaft System With Inverted Hurth Coupler Dual Taper
27%
$562.00 $768.00
CUSTSHAFT-1.12 PSAT17/1.12X57.250 Assy with REV BW5 Steel Coupler
$562.00 $768.00
You Must Supply Us With The "A" Shaft Length Measurement. Please follow the illustration in the pictures and be very exact. Measure your shaft with the transmission coupler...
Strut - Sanger 16 Degree 1-1/8 Inch Shaft 6 Hole Pattern - Includes Strut Bearings SNGRST2012
Strut - Sanger 16 Degree 1-1/8 Inch Shaft 6 Hole Pattern - Includes Strut Bearings SNGRST2012
25%
$605.00 $808.12
Strut - Sanger 16 Degree 1-1/8 Inch Shaft 6 Hole Pattern - Includes Strut Bearings SNGRST2012
$605.00 $808.12
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 Stuffing Box 1" Shaft Algonac OEM 22003
Rudder Port Stuffing Box Body 1" Shaft Algonac OEM 2200 1
31%
$580.00 $845.44
Rudder Stuffing Box 1" Shaft Algonac OEM 22003
$580.00 $845.44
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...
Castle Nut Brass Low Profile For 1" and 1-1/8" Inboard Shafts Slotted Castle Nut PNUTFULL-1.000-BCN
Castle Nut Brass For 1" and 1-1/8" Inboard Shafts Slotted Castle Nut PNUTFULL-1.000-BCN
35%
$29.95 $45.80
Castle Nut Brass Low Profile For 1" and 1-1/8" Inboard Shafts Slotted Castle Nut PNUTFULL-1.000-BCN
$29.95 $45.80
Inboard Castle Nut - Fits 1" and 1-1/8" shafts. 3/4-10 thread - Low Profile Machined grooves to accept all cotter pin sizes. CNC Class 3...
Shaft Seal Only OJ 1-1/8 With Snap Ring GBS1125-JP
Shaft Seal Only OJ 1-1/8 With Snap Ring GBS1125-JP
29%
$34.00 $48.00
Shaft Seal Only OJ 1-1/8 With Snap Ring GBS1125-JP
$34.00 $48.00
Replacement seal for GLIDE GMSS and OJ dripless systems with 1-1/8" shafts. Fits OJ rudder ports original equipment on Mastercrafts 2003 through 2012. This does...
Strut Malibu 1997 And Up 16 Degree 1-1/8" Shaft Bearings
Strut Malibu 1997 And Up 16 Degree Strut Malibu 1997 And Up 16 Degree
29%
$548.00 $769.69
Strut Malibu 1997 And Up 16 Degree 1-1/8" Shaft Bearings
$548.00 $769.69
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,...
Nut Only - Retaining Nut Fits ALL A.R.E. Drive Shaft Systems
Nut Only - Retaining Nut Fits ALL A.R.E. Drive Shaft Systems Nut Only - Retaining Nut Fits ALL A.R.E. Drive Shaft Systems
14%
$19.00 $22.00
Nut Only - Retaining Nut Fits ALL A.R.E. Drive Shaft Systems
$19.00 $22.00
NUT ONLY - Fits ALL A.R.E. Drive Shafts and couplers! See ITEM NUMBER 8 in the picture for reference please. Also note please that in...
Seal Kit Lower Unit Lower Unit Seal Kit 84-86 OEM BRP-0396352
Seal Kit Lower Unit Lower Unit Seal Kit 84-86 OEM BRP-0396352
5%
$61.00 $63.99
Seal Kit Lower Unit Lower Unit Seal Kit 84-86 OEM BRP-0396352
$61.00 $63.99
Lower unit seal kit for Johnson Evinrude O-Ring Seal Kit 25 HP 1984 25 Comm., 28 SPL, 30 SPL 1985-96  
Woodruff Coupler Key For A.R.E. Drive Shafts - Coupling Side - OEM KEYCPSY.2
Woodruff Coupler Key For A.R.E. Drive Shafts - Coupling Side - OEM KEYCPSY.2 Woodruff Coupler Key For A.R.E. Drive Shafts - Coupling Side - OEM KEYCPSY.2
28%
$13.00 $17.95
Woodruff Coupler Key For A.R.E. Drive Shafts - Coupling Side - OEM KEYCPSY.2
$13.00 $17.95
Coupling Woodruff Keyway for A.R.E. Drive Shafts - COUPLER SIDE OEM - KEYCPSY.2 - Picture # 5 in the picture for illustration
Strut Bushing 1-3/8 Inch I.D. X 2 Inch O.D. Brass Marine Hardware Bushing
Strut Bushing 1-3/8 Inch I.D. X 2 Inch O.D. Brass Marine Hardware Bushing Strut Bushing 1-3/8 Inch I.D. X 2 Inch O.D. Brass Marine Hardware Bushing
7%
$247.85 $267.88
Strut Bushing 1-3/8 Inch I.D. X 2 Inch O.D. Brass Marine Hardware Bushing
$247.85 $267.88
STRUT BEARING 1-3/8" I.D. x 2" O.D. Marine Hardware One Piece Bearing These bearings are one long piece Bearing length is 5-1/2" long Dogfish 1.375...
Nylock Prop Nut Brass For 1-1/4" Shafts Nylon Prop Nut
Nylock Prop Nut Brass For 1-1/4" Shafts Nylon Prop Nut Nylock Prop Nut Brass For 1-1/4" Shafts Nylon Prop Nut
18%
$33.00 $40.00
Nylock Prop Nut Brass For 1-1/4" Shafts Nylon Prop Nut
$33.00 $40.00
Fits boats with 1-1/4" shafts only. NOT for 1" or 1-1/8" shafts! Only fits 1-1/4" - 7/8-9 thread If you need 1" or 1-1/8" Nylock Nut, click...
1-1/8" X 5" A.R.E Inboard Shaft System With Inverted Hurth Coupler Dual Taper WS2050H
1-1/8" X 5" A.R.E Inboard Shaft System With Inverted Hurth Coupler Dual Taper 1-1/8" X 5" A.R.E Inboard Shaft System With Inverted Hurth Coupler
6%
$840.00 $895.00
1-1/8" X 5" A.R.E Inboard Shaft System With Inverted Hurth Coupler Dual Taper WS2050H
$840.00 $895.00
Dual Taper, Pricing Good For Shafts Up To 5' You Must Supply Us With The "A" Shaft Length Measurement. Please follow the illustration in the pictures and be...
Prop Wrench A.R.E. 1-1/4" X 3/4" For All Correct Craft
Prop Wrench A.R.E. 1-1/4" X 3/4" For All Correct Craft
12%
$35.00 $39.89
Prop Wrench A.R.E. 1-1/4" X 3/4" For All Correct Craft
$35.00 $39.89
This wrench WILL FIT Correct Craft. Fits the "Castle Nut" and the 3/4" end fits the A.R.E. Ironman Prop Puller. For ALL OTHERS use Item ARE106 Helps remove the...
Strut Mastercraft 1986 Up 1-1/8 Inch Drive Shaft - Includes New Bearings
Strut Mastercraft 1986 Up 1-1/8 Inch Drive Shaft - Includes New Bearings
12%
$545.00 $619.99
Strut Mastercraft 1986 Up 1-1/8 Inch Drive Shaft - Includes New Bearings
$545.00 $619.99
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...
Items 101 to 120 of 188 total