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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 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
23%
$525.00 $678.34
Rudder Box Assembly Ski Boat - RBST1.00-SLOT-BRG
$525.00 $678.34
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...
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
15%
$169.00 $199.95
Strut Bushing Set 1 Inch I.D. X 1-3/8 Inch O.D. Brass Bearings SB1.0X1.3
$169.00 $199.95
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....
ACME Prop Puller For 1" And 1-1/8"Drive Shafts C-Clamp Style Includes Bolt And Cap ACME-228S
ACME Prop Puller For <b>1" And 1-1/8"</b> Drive Shafts C-Clamp Style Includes Bolt And Cap ACME Prop Puller For <b>1" And 1-1/8"</b> Drive Shafts C-Clamp Style Includes Bolt And Cap
17%
$165.00 $199.59
ACME Prop Puller For 1" And 1-1/8"Drive Shafts C-Clamp Style Includes Bolt And Cap ACME-228S
$165.00 $199.59
ACME Traditional Prop Puller For 1" AND 1-1/8" Shafts, 3 or 4 Blade Props Includes the Bolt, (2.81" lg. overall) & Cap with Snap Ring
Strut | Mastercraft With 1-1/8 Inch Drive Shaft Includes New Bearings
Strut | Mastercraft With 1-1/8 Inch Drive Shaft Includes New Bearings
32%
$524.00 $769.69
Strut | Mastercraft With 1-1/8 Inch Drive Shaft Includes New Bearings
$524.00 $769.69
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...
Rudder Box Backing Plate Only OEM BKPLSQSML-B
Rudder Box Backing Plate Only OEM BKPLSQSML-B
7%
$84.00 $90.66
Rudder Box Backing Plate Only OEM BKPLSQSML-B
$84.00 $90.66
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...
Glide® Dripless Shaft Seal 1-1/8" X 1-3/4" OEM GMSS 1.125X1.750
Glide® Dripless Shaft Seal 1-1/4" X 2.00" OEM GMSS 1.250X2.000
8%
$155.00 $169.00
Glide® Dripless Shaft Seal 1-1/8" X 1-3/4" OEM GMSS 1.125X1.750
$155.00 $169.00
Glide® Dripless Shaft Seal 1-1/8" X 1-3/4" GLIDE Marine Seal Systems are comprised entirely of our GLIDE-400 material and are  roudly made in the USA....
ACME Harmonic Prop Puller For 1-1/4 INCH Shafts 5018
ACME HARMONIC PROP PULLER FOR 1-1/4 INCH SHAFTS 5018
13%
$72.00 $82.66
ACME Harmonic Prop Puller For 1-1/4 INCH Shafts 5018
$72.00 $82.66
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...
Strut - Tige 15 Degree 1-1/8 Inch Shaft 6 Hole Pattern - Includes Strut Bearings OEM TIGEU1004
Strut - Tige 15 Degree 1-1/8 Inch Shaft 6 Hole Pattern - Includes Strut Bearings OEM TIGEU1004
10%
$695.00 $769.62
Strut - Tige 15 Degree 1-1/8 Inch Shaft 6 Hole Pattern - Includes Strut Bearings OEM TIGEU1004
$695.00 $769.62
Fits boats with 1-1/8" driveshaft and 6 bolt mounting pattern15 degree Has 6 Mounting Holes and includes brass shelled rubber strut bushings! Tige - 15...
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
14%
$61.95 $71.99
Prop Knocker All Brass Harmonic Prop Puller - For 1-1/4" Shafts KNOCKER114
$61.95 $71.99
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...
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
17%
$40.00 $48.00
Flex Gland Seal and Housing Only - Fits The 1-1/4" Flex Gland Dripless Shaft Seal by Johnson Propellers
$40.00 $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...
Prop Nut Brass Castle Nut For 1-1/4" Inboard Shafts Slotted Castle Nut
Prop Nut Brass Castle Nut For 1-1/4" Shafts Slotted Castle Nut Prop Nut Brass Castle Nut For 1-1/4" Shafts Slotted Castle Nut
9%
$22.37 $24.69
Prop Nut Brass Castle Nut For 1-1/4" Inboard Shafts Slotted Castle Nut
$22.37 $24.69
Inboard Castle Nut - Fits 1-1/4" shafts. 7/8-9 thread
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"
36%
$18.00 $27.99
Hose Stuffing Box Hose 1-3/4" I.D. X 3.3"
$18.00 $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%
$15.95 $18.99
Coupling Bolt Hardware Set of 4 For A.R.E. Drive Shaft System Used On The 4 Inch Coupler
$15.95 $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...
Retaining Nut Socket 1-1/4" for the A.R.E. Drive Shaft Systems SYSSOCKET125
Retaining Nut Socket 1-1/4" for the A.R.E. Drive Shaft Systems SYSSOCKET125
11%
$33.00 $36.99
Retaining Nut Socket 1-1/4" for the A.R.E. Drive Shaft Systems SYSSOCKET125
$33.00 $36.99
1-1/4" Socket With Wrench Flats. The ARE retaining nut socket with wrench flats requires only 1" clearance to fit between the transmission and the coupling....
Prop Knocker All Brass Harmonic Prop Puller - For 2" Shafts KNOCKER200
Prop Knocker All Brass Harmonic Prop Puller - For 2" Shafts KNOCKER200 Prop Knocker All Brass Harmonic Prop Puller - For 2" Shafts KNOCKER200
6%
$164.95 $174.95
Prop Knocker All Brass Harmonic Prop Puller - For 2" Shafts KNOCKER200
$164.95 $174.95
All Brass Prop Knocker - Fits 2" Shafts 1-1/2 - 6 threads CNC Machined from All Brass with perfection. Threads onto the shaft, excellent for splined...
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
5%
$195.95 $205.95
Prop Knocker All Brass Harmonic Prop Puller - For 2-1/4" And 2-1/2" Shafts KNOCKER214250
$195.95 $205.95
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...
Items 49 to 64 of 197 total