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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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Prop Nut Brass Castle Nut For 1" or 1-1/8" Inboard Shafts Slotted Castle Nut
Prop Nut Brass Castle Nut For 1" or 1-1/8" Shafts Slotted Castle Nut
$19.00 $21.99
Prop Nut Brass Castle Nut For 1" or 1-1/8" Inboard Shafts Slotted Castle Nut
$19.00 $21.99
Inboard Castle Nut - Fits 1" or 1-1/8" shafts. 3/4-10 thread Fits 1" or 1-1/8" shafts. This castle nut can be replaced with a Nylock...
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
$145.09 $218.90
Strut Bushing Set 1-1/8 Inch I.D. X 1-3/8 Inch O.D. Brass Bearings OEM Marine Hardware
$145.09 $218.90
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" Shaft Diameter | 1-1/4 Outside Diameter | 2" Length Each Bearing 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
$45.00 $57.00
Glide Strut Bearing Set | Bushing 1" Shaft Diameter | 1-1/4 Outside Diameter | 2" Length Each Bearing OEM 1.000X1.250X2.000
$45.00 $57.00
GLIDE® STRUT BEARING | BUSHING SET 1" - 1 Inch Shafts Shaft Size-Diameter: 1.00" Strut Inside Diameter: 1-1/4" Bearing Length: 2.00" Each Set: Comes with...
Prop Knocker All Brass Harmonic Prop Puller - For 1-1/4" Shafts KNOCKER114
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
$67.95 $81.99
Prop Knocker All Brass Harmonic Prop Puller - For 1-1/4" Shafts KNOCKER114
$67.95 $81.99
All Brass Prop Knocker - Fits 1-1/4"Shafts 7/8"-9 threads CNC Machined from All Brass with perfection. Threads onto the shaft, excellent for splined shafts. Simply screw...
Prop Knocker All Brass Harmonic Prop Puller - For 2-1/4" And 2-1/2" Shafts KNOCKER214250
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
$214.95 $234.95
Prop Knocker All Brass Harmonic Prop Puller - For 2-1/4" And 2-1/2" Shafts KNOCKER214250
$214.95 $234.95
All Brass Prop Knocker - Fits 2-1/4" And 2-1/2" Shafts 1-3/4 - 5 threads CNC Machined from All Brass with perfection. Threads onto the shaft, excellent...
ACME Harmonic Prop Puller For 1 Or 1-1/8 Inch Shafts 5005
ACME HARMONIC PROP KIT - THE WEEKEND SAVER FULL REPLACEMENT KIT FOR 1 OR 1-1/8 INCH SHAFTS ACME Harmonic Prop Puller For 1 Or 1-1/8 Inch Shafts 5005
$51.50 $64.89
ACME Harmonic Prop Puller For 1 Or 1-1/8 Inch Shafts 5005
$51.50 $64.89
By ACME Marine for 1 and 1-1/8" Shafts. 3/4" -10 UNC Awesome device that works by simply removing your prop nut, screw the harmonic puller onto...
Flex Gland Seal and Housing Only - Fits The 1-1/4" Flex Gland Dripless Shaft Seal by Johnson Propellers
Flex Gland Seal and Housing Only - Fits The <b>1-1/4"</b> Flex Gland Dripless Shaft Seal by Johnson Propellers Flex Gland Seal and Housing Only - Fits The <b>1-1/4"</b> Flex Gland Dripless Shaft Seal by Johnson Propellers
$40.80 $48.00
Flex Gland Seal and Housing Only - Fits The 1-1/4" Flex Gland Dripless Shaft Seal by Johnson Propellers
$40.80 $48.00
Johnson Propellers Dripless Shaft Replacement Seal and Housing Only For 1-1/4" drive shafts. Replaces your SEAL and HOUSING in your current 1-1/4" Flex Gland System! If...
Strut - 15 Degree - 1-1/8 Inch Shaft 6 Hole Bolt Pattern STSL-15 Includes Strut Bearings
STRUT - 15 DEGREE - 1-1/8 INCH SHAFT 6 HOLE BOLT PATTERN STSL-15 INCLUDES STRUT BEARINGS
$667.71 $777.82
Strut - 15 Degree - 1-1/8 Inch Shaft 6 Hole Bolt Pattern STSL-15 Includes Strut Bearings
$667.71 $777.82
Fits boats with 1-1/8" driveshaft and 6 bolt mounting pattern15 degree. Has 6 Mounting Holes and includes brass shelled rubber strut bushings! All struts are...
Rudder Box Backing Plate Only OEM BKPLSQSML-B
Rudder Box Backing Plate Only OEM BKPLSQSML-B Rudder Box Backing Plate Only OEM BKPLSQSML-B
$92.40 $99.73
Rudder Box Backing Plate Only OEM BKPLSQSML-B
$92.40 $99.73
Rudder BOX Backing Plate Only BKPLSQSML-B 4" X 4" Plate with 3/8" holes; slotted for easier installation! If you need the Complete Assembly - CLICK...
ACME Harmonic Prop Puller For 1-1/4 INCH Shafts 5018
ACME HARMONIC PROP PULLER FOR 1-1/4 INCH SHAFTS 5018
$66.95 $84.46
ACME Harmonic Prop Puller For 1-1/4 INCH Shafts 5018
$66.95 $84.46
By ACME Marine for 1-1/4" Shafts. Awesome device that works by simply removing your prop nut, screw the harmonic puller onto the shaft and gently...
Install Tool For 1" Flex Gland Seal - Fits The 1" Flex Gland Dripless Shaft Seal by Johnson Propellers OJFGB_1.00
Install Tool For 1" Flex Gland Seal - Fits The <b>1"</b> Flex Gland Dripless Shaft Seal by Johnson Propellers OJFGB_1.125 Install Tool For 1" Flex Gland Seal - Fits The <b>1"</b> Flex Gland Dripless Shaft Seal by Johnson Propellers OJFGB_1.125
$16.15 $19.00
Install Tool For 1" Flex Gland Seal - Fits The 1" Flex Gland Dripless Shaft Seal by Johnson Propellers OJFGB_1.00
$16.15 $19.00
Plastic INSTALL TOOL only! Used to protect the new seal for your 1" Johnson Propellers Dripless Shaft Replacement Seal and Housing Only For 1" Flex...
Glide Strut Bearing Set | Bushing 1-1/8" Shaft Diameter | 1-1/2 Outside Diameter | 2" Length Each Bearing 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
$45.00 $57.00
Glide Strut Bearing Set | Bushing 1-1/8" Shaft Diameter | 1-1/2 Outside Diameter | 2" Length Each Bearing OEM 1.125X1.500X2.000
$45.00 $57.00
GLIDE® STRUT BEARING | BUSHING SET 1-1/8" - 1-1/8 Inch Shafts Shaft 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 | 2" Length Each Bearing 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
$45.00 $57.00
Glide Strut Bearing Set | Bushing 1-1/8" Shaft Diameter | 1-3/8 Outside Diameter | 2" Length Each Bearing OEM 1.125X1.375X2.000
$45.00 $57.00
GLIDE® STRUT BEARING | BUSHING SET 1-1/8" - 1-1/8 Inch Shafts Shaft Size-Diameter: 1-1/8" Strut Inside Diameter: 1-3/8" Bearing Length: 2.00" Each Set: Comes with...
Hose Stuffing Box Hose 1-3/4" I.D. X 3.3"
Hose Stuffing Box Hose 1-3/4" I.D. X 3.3" Hose Stuffing Box Hose 1-3/4" I.D. X 3.3"
$21.00 $27.99
Hose Stuffing Box Hose 1-3/4" I.D. X 3.3"
$21.00 $27.99
STUFFING BOX HOSE Includes 2 Stainless Steel Clamps - 1-3/4" Inside Diameter X 3.3" Long.    
Coupling Bolt Hardware Set of 4 For A.R.E. Drive Shaft System Used On The 4 Inch Coupler
COUPLING BOLT HARDWARE SET FOR A.R.E. DRIVE SHAFT SYSTEM USED ON THE 4 INCH COUPLER
$16.95 $18.99
Coupling Bolt Hardware Set of 4 For A.R.E. Drive Shaft System Used On The 4 Inch Coupler
$16.95 $18.99
Complete Set of Hardware for your 4" INCH A.R.E. Drive Shaft System Coupling COMPLETE SET of 4 Bolts for your coupler Bolt Size: 3/8" x...
Shaft Packing Dripless 1/4" x 2 Feet GFO-1/4X24
Shaft Packing Dripless 1/4" x 2 Feet GFO-1/4X24
$16.82 $18.72
Shaft Packing Dripless 1/4" x 2 Feet GFO-1/4X24
$16.82 $18.72
GFO Fiber Packing for Shafts and Rudders: 2 Foot Piece 1/4" For 3/16" Click Here High thermal conductivity: GFO fiber packing is four times more...
Strut Bushing Set 1 Inch I.D. X 1-3/8 Inch O.D. Brass Bearings SB1.0X1.3
Strut Bushing Set 1 Inch I.D. X 1-3/8 Inch O.D. Brass Bearings SB1.0X1.3 Strut Bushing Set 1 Inch I.D. X 1-3/8 Inch O.D. Brass Bearings SB1.0X1.3
$139.00 $150.00
Strut Bushing Set 1 Inch I.D. X 1-3/8 Inch O.D. Brass Bearings SB1.0X1.3
$139.00 $150.00
STRUT BEARING SET 1" I.D. x 1-3/8" O.D. Fits some Malibus, Mastercrafts, Ski Brendella, Ski Centurion's before 1992 when they went to the 1-1/8" shafts....
Strut | Mastercraft With 1-1/8 Inch Drive Shaft Includes New Bearings
Strut | Mastercraft With 1-1/8 Inch Drive Shaft Includes New Bearings
$713.00 $909.91
Strut | Mastercraft With 1-1/8 Inch Drive Shaft Includes New Bearings
$713.00 $909.91
Fits Mastercraft boats with 1-1/8" driveshaft and 8 bolt mounting pattern OEM# MHSTRUT723-1.25 Has 8 Mounting Holes and includes brass shelled rubber strut bushings! We take...
Glide Strut Bearing Set | Bushing 1-1/8" Shaft Diameter | 1-1/2 Outside Diameter | 3" Length Each Bearing 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
$47.00 $60.00
Glide Strut Bearing Set | Bushing 1-1/8" Shaft Diameter | 1-1/2 Outside Diameter | 3" Length Each Bearing OEM 1.125X1.500X3.000
$47.00 $60.00
GLIDE® STRUT BEARING | BUSHING SET 1-1/8" - 1-1/8 Inch Shafts Shaft Diameter: 1-1/8" Strut Inside Diameter: 1-1/2" Bearing Length: 3.00" Each Set: Comes with...
Rudder Box Assembly Ski Boat - RBST1.00-SLOT-BRG
Rudder Box Assembly Ski Boat - RBST1.00-SLOT-BRG Rudder Box Assembly Ski Boat - RBST1.00-SLOT-BRG
$677.00 $746.17
Rudder Box Assembly Ski Boat - RBST1.00-SLOT-BRG
$677.00 $746.17
Rudder BOX Assembly RPTNSLOTRBSTASSY FOR MARINE HARDWARE 1" RUDDER SHAFTS ONLY RBST1.00-SLOT-BRG 4" X 4" Plate with 3/8" holes; slotted for easier installation! If you only...
ACME Harmonic Prop Puller For 1-1/2 INCH Shafts 5010
ACME Harmonic Prop Puller For 1-1/2 INCH Shafts 5010 ACME Harmonic Prop Puller For 1-1/2 INCH Shafts 5010
$139.05 $159.65
ACME Harmonic Prop Puller For 1-1/2 INCH Shafts 5010
$139.05 $159.65
By ACME Marine for 1-1/2" Shafts. Awesome device that works by simply removing your prop nut, screw the harmonic puller onto the shaft and gently...
OJ Johnson Prop Knocker - For 1" - 1 - 1/8" And 1-1/4" Shafts For Tige - Malibu The Original Prop Knocker
OJ JOHNSON PROP KNOCKER FOR 1 AND 1-1/8 INCH SHAFTS OJ JOHNSON PROP KNOCKER FOR 1 AND 1-1/8 INCH SHAFTS
$29.75 $35.00
OJ Johnson Prop Knocker - For 1" - 1 - 1/8" And 1-1/4" Shafts For Tige - Malibu The Original Prop Knocker
$29.75 $35.00
The Original "OJ® Prop Knocker" Prop Puller Also Fits Splined Shafts The Harmonic Puller (Prop Knocker) By Johnson Propeller! Excellent for Splined Shafts! Threads onto...
Rudder Assembly RPTN Slotted Port or Starboard Drop TA-RPTNSB-P-DROP
REPLACEMENT RUDDER ASSEMBLY FOR TOURNAMENT SKI BOATS
$1,198.00 $1,361.86
Rudder Assembly RPTN Slotted Port or Starboard Drop TA-RPTNSB-P-DROP
$1,198.00 $1,361.86
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...
Install Tool For 1-1/8" Flex Gland Seal - Fits The 1-1/8"Flex Gland Dripless Shaft Seal by Johnson Propellers OJFGB_1.125
Install Tool For 1-1/8" Flex Gland Seal - Fits The <b>1-1/8"</b> Flex Gland Dripless Shaft Seal by Johnson Propellers OJFGB_1.125 Install Tool For 1-1/8" Flex Gland Seal - Fits The <b>1-1/8"</b> Flex Gland Dripless Shaft Seal by Johnson Propellers OJFGB_1.125
$16.15 $19.00
Install Tool For 1-1/8" Flex Gland Seal - Fits The 1-1/8"Flex Gland Dripless Shaft Seal by Johnson Propellers OJFGB_1.125
$16.15 $19.00
Plastic INSTALL TOOL only! The complete Flex Gland comes WITH one of these tools. This one would be an extra tool in case you need...
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