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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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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 Steel Coupler Dual Taper 55.750 Assembled Length
27%
$562.00 $768.00
CUSTSHAFT-1.12 PSAT17/1.12X57.250 Assy with REV BW5 Steel Coupler
$562.00 $768.00
Marine Hardware 1-1/8" Custom Prop Shaft & Borg Warner Style Coupler 4 Inch Diameter Works for shaft TIP to TIP Length of 57-1/4 inches. 1-1/8"...
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
33%
$605.00 $908.12
Strut - Sanger 16 Degree 1-1/8 Inch Shaft 6 Hole Pattern - Includes Strut Bearings SNGRST2012
$605.00 $908.12
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...
1" X 4" A.R.E. Inboard Shaft System and Coupler Dual Taper 497
1" X 4" A.R.E. Inboard Shaft System and Coupler SHAFT SYSTEM A.R.E. FOR 1 INCH X 5 INCH BORG WARNER STYLE COUPLER
41%
$399.00 $679.00
1" X 4" A.R.E. Inboard Shaft System and Coupler Dual Taper 497
$399.00 $679.00
SPECIAL PRICE ON THIS LENTGHT ONLY! ONE IN STOCK.  49.7 SHAFT LENGTH Dual Taper, Shaft Length is 49.7" - "B" Measurement should be very near...
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,...
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...
Tracking Fin Short - Marine Hardware TURN2020-S
Tracking Fin Short - Marine Hardware TURN2020-S
14%
$425.00 $492.78
Tracking Fin Short - Marine Hardware TURN2020-S
$425.00 $492.78
Tracking Fin Short - Special Turn Fin Flat Base Marine Hardware - TURN2020-S Marine Hardware,™ Inc. proudly makes the most competitive product line of ski...
Gimbal Bearing, SX Drives | Volvo Penta 21752712
Gimbal Bearing, SX Drives | Volvo Penta 21752712
5%
$132.00 $139.00
Gimbal Bearing, SX Drives | Volvo Penta 21752712
$132.00 $139.00
Gimbal Bearing OEM sealed gimball bearing for a variety of SX model sterndrives. Fits TSK SX-C, TSK SX-C1, TSK SX-C1AC, TSK SX-C2AC, TSK SX-CLT M10,...
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 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
27%
$550.00 $750.42
1" Custom Inboard Prop Shaft System With Borg Warner Style 4" Coupler Dual Taper 48.00 Inch Assembled Length
$550.00 $750.42
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...
Strut Bushing Set 1 Inch I.D. X 1-3/8 Inch O.D. Brass Bearings OEM Marine Hardware
Strut Bushing Set 1 Inch I.D. X 1-3/8 Inch O.D. Brass Bearings OEM Marine Hardware
28%
$159.00 $219.58
Strut Bushing Set 1 Inch I.D. X 1-3/8 Inch O.D. Brass Bearings OEM Marine Hardware
$159.00 $219.58
1 Inch I.D. X 1-3/8 Inch O.D. MARINE HARDWARE OEM STRUT BEARING SET Fits some Malibus, Mastercrafts, Ski Brendella, Ski Centurion's before 1992 when they...
Items 121 to 140 of 198 total