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!

Rudder Assembly With Rudder Box STRAIGHT Tiller Arm - RPMC1.00-S 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
$995.00 $1,238.05
$995.00 $1,238.05
Marine Hardware Rudder Assembly Forward Facing Keyway Forward Facing Straight Tiller Arm  
RUDDER ASSEMBLY DROP ARM TILLER - RPTLSB-P-DROP
$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
$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 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
$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...
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 SHAFT SYSTEM A.R.E. FOR 1 INCH X 5 INCH BORG WARNER STYLE COUPLER
$345.00 $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 Port Stuffing Box Body 1" Shaft Algonac OEM 2200 1
$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...
Strut Malibu 1997 And Up 16 Degree Strut Malibu 1997 And Up 16 Degree
$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,...
Stuffing Box 1-1/8" Shaft and 1-3/4" I.D. Hose and 2 Stainless Steel Hose Clamps
$199.00 $229.00
STUFFING BOX FOR 1-1/8" SHAFT This is your traditional wax rope packed stuffing box for your 1-1/8" shaft with a 1-3/4" ID hose. Stuffing Box comes WITH...
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
$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
$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...
1-1/4" PSS Shaft Seal Kit For 1-1/4" Diameter Drive Shafts Comes With Install Kit 1-1/4" PSS Shaft Seal Kit For 1-1/4" Diameter Drive Shafts Comes With Install Kit
$355.00 $398.00
Fits all boats with 1-1/4" shafts This kit COMES WITH the quick install kit; Item INSTIKIT1.2X.37 Uses a Stainless Steel rotor that slides down the shaft and compresses the...
Nylock Prop Nut Brass For 1-1/4" Shafts Nylon Prop Nut 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 1-1/8" X 5" A.R.E Inboard Shaft System With Inverted Hurth Coupler
$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
$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
$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...
1" PSS Shaft Seal Kit 1" Diameter Drive Shafts Comes With Install Kit 1" PSS Shaft Seal Kit 1" Diameter Drive Shafts Comes With Install Kit
$375.00 $455.00
Fits all boats with 1" shaft and 1-3/4 length shaft log.  This kit COMES WITH the quick install kit; Item INSTKIT1.0X.37 Uses a Stainless Steel rotor that slides down...
1-1/4" Custom Inboard Prop Shaft System With Borg Warner 5 Inch Drive Coupler Dual Taper 56.188 Inch Assembled Length 1-1/4" Custom Inboard Prop Shaft System With Borg Warner 5 Inch Drive Coupler Dual Taper 56.188 Inch Assembled Length
$1,455.00 $1,730.65
Marine Hardware 1-1/4" Custom Prop Shaft & Borg Warner 5" Coupler Shaft length is 56.188" Assembled Length 1-1/4" Shaft Diameter Borg Warner Coupler Face System...
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
$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,...
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...
Strut Bushing Set 1-1/8 Inch I.D. X 1-1/2 Inch O.D. Brass Bearings OEM Marine Hardware
$149.05 $190.16
1-1/8" I.D. x 1-1/2" O.D. MARINE HARDWARE OEM STRUT BEARING SET Fits most Mastercraft with Powerslot 1.5"1 ratio transmission. 1-1/8" I.D. x 1-1/2" O.D. Fits...
5/16 x 22 inch Teflon PTFE Flax Shaft Packing | Western Pacific Trading 10018
$11.95 $15.32
5/16 x 22 inch Teflon PTFE Flax Shaft Packing CHECK OUT THIS PACKING REMOVAL TOOL! INEXPENSIVE AND WORKS GREAT! CLICK HERE! Wax Impregnated Rope Packing...
O-Ring | ZF Industries 0634303314
$9.50 $12.00
O-Ring OEM Replaces Hurth 0634303314, 105559
Stainless Steel Nylock Nut, 3/4-Inch | Marine Machine NN 3/4-16 Stainless Steel Nylock Nut, 3/4-Inch | Marine Machine NN 3/4-16
$14.00 $15.80
3/4-16 Thread Pitch The Nylock Nut is zinc coated Stainless Steel and prevents galling; seizing of the shaft threads and shaft!  
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
$40.95 $44.95
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
$45.00 $57.00
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: 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
$50.00 $62.95
GLIDE® 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
GLIDE® 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...
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