HOLIDAY HOURS:

Our offices are closed on Monday, September 1st in observance of Labor Day.
All orders placed this weekend and on Monday, September 1st will be processed when we open on Tuesday, September 2nd.

HAVE FUN ON THE WATER, HAPPY LABOR DAY and GOD BLESS YOU!

PLEASE NOTE - Some products are not immediately available. If your order will be delayed, we will e-mail you or call you and let you know.
E-MAIL US HERE about availability and we will respond quickly! We ship same day if your order was placed by 1:00 PM EST during normal business hours BASED ON AVAILABILITY.
NEXT DAY SHIPPING NOTE - Please see our Shipping Policy SATURDAY OR SUNDAY DELIVERY IS NOT AN OPTION.
Need Immediate Help? Contact us:
Mon - Thur 9 AM - 5 PM & Friday 8 AM - 2 PM EST sales@myinboardmarine.com
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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 RPTN Slotted Port or Starboard Drop TA-RPTNSB-P-DROP
REPLACEMENT RUDDER ASSEMBLY FOR TOURNAMENT SKI BOATS
12%
$1,089.48 $1,238.05
Rudder Assembly RPTN Slotted Port or Starboard Drop TA-RPTNSB-P-DROP
$1,089.48 $1,238.05
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...
1-1/8" X 5" Inboard Shaft System With Inverted Hurth Steel Coupler Dual Taper 55.750 Assembled Length
1-1/8" X 5" Inboard Shaft System With Inverted Hurth Steel Coupler Dual Taper 55.750 Assembled Length 1-1/8" X 5" Inboard Shaft System With Inverted Hurth Steel Coupler Dual Taper 55.750 Assembled Length
55%
$337.00 $745.90
1-1/8" X 5" Inboard Shaft System With Inverted Hurth Steel Coupler Dual Taper 55.750 Assembled Length
$337.00 $745.90
SPECIAL DEAL! IN STOCK! 1-1/8" X 5" A.R.E Inboard Shaft System With Inverted 5" Face Diameter Hurth Steel Coupler Dual Taper Shaft length is 55.750...
Rudder Algonac Cast 1000C803
Rudder Algonac Cast 1000C803 Rudder Algonac Cast 1000C803
23%
$1,145.00 $1,490.09
Rudder Algonac Cast 1000C803
$1,145.00 $1,490.09
REPLACEMENT RUDDER - POST AND RUDDER ONLY - KEYED FOR STARBOARD We can add an additional key for 99.00 USD Please call for additional keying....
Shaft Log 15-16 Degree Aluminum OEM Marine Hardware - SHLG16150A
Shaft Log 15-16 Degree Aluminum OEM Marine Hardware - SHLG16150A
9%
$116.05 $128.04
Shaft Log 15-16 Degree Aluminum OEM Marine Hardware - SHLG16150A
$116.05 $128.04
15-16 Degree Shaft Log By Marine Hardware® Note: When the shaft log is connected to the stuffing box with a rubber hose, the angle can...
Strut Bushing Set 1 Inch I.D. X 1-1/2 Inch O.D. Brass Bearings SB1.0X1.5
Strut Bushing Set 1 Inch I.D. X 1-1/2 Inch O.D. Brass Bearings SB1.0X1.5 Strut Bushing Set 1 Inch I.D. X 1-1/2 Inch O.D. Brass Bearings SB1.0X1.5
15%
$145.00 $169.95
Strut Bushing Set 1 Inch I.D. X 1-1/2 Inch O.D. Brass Bearings SB1.0X1.5
$145.00 $169.95
STRUT BEARING SET 1" I.D. x 1-1/2" O.D. Fits some of the late model 1970's & 1980's Mastercrafts with the 1:1 Velvet Drive transmission. These...
Bolt Flywheel Damper GM Small And Big Block Engine OEM R009092
Bolt Flywheel Damper GM Small And Big Block Engine OEM R009092
55%
$6.24 $13.73
Bolt Flywheel Damper GM Small And Big Block Engine OEM R009092
$6.24 $13.73
You can use your old bolts. These bolts fit standard thread flywheels  Grade 5 -  3/8 - 1 X 1"  Be sure to make sure...
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
20%
$159.05 $199.00
Strut Bushing Set 1-1/8 Inch I.D. X 1-3/8 Inch O.D. Brass Bearings OEM Marine Hardware
$159.05 $199.00
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...
Ring Nut | ZF Industries 637513037
Ring Nut | ZF Industries 637513037 Ring Nut | ZF Industries 637513037
10%
$29.50 $32.95
Ring Nut | ZF Industries 637513037
$29.50 $32.95
Ring Nut OEM  Replaces Hurth 0637513037, 489305
Glide Strut Bearing Set | Bushing 1-1/8" Shaft Diameter 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
22%
$47.00 $60.00
Glide Strut Bearing Set | Bushing 1-1/8" Shaft Diameter OEM 1.125X1.500X3.000
$47.00 $60.00
GLIDE® STRUT BEARING | BUSHING SET 1-1/8" - One Inch Shafts Shaft Size-Diameter: 1-1/8" Strut Inside Diameter: 1-1/2" Bearing Length: 3.00" Each Set: Comes with...
Glide Strut Bearing Set | Bushing 1-1/8" Shaft Diameter 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
21%
$45.00 $57.00
Glide Strut Bearing Set | Bushing 1-1/8" Shaft Diameter OEM 1.125X1.375X2.000
$45.00 $57.00
GLIDE® STRUT BEARING | BUSHING SET 1-1/8" - One Inch Shafts Shaft Size-Diameter: 1-1/8" Strut Inside Diameter: 1-3/8" Bearing Length: 2.00" Each Set: Comes with...
Acme Harmonic Prop Puller For 2-1/4 - 2-1/2 Inch Shafts 5021
Acme Harmonic Prop Puller For <b>2-1/4 - 2-1/2 Inch</b> Shafts 5021 Acme Harmonic Prop Puller For <b>2-1/4 - 2-1/2 Inch</b> Shafts 5021
10%
$212.05 $234.70
Acme Harmonic Prop Puller For 2-1/4 - 2-1/2 Inch Shafts 5021
$212.05 $234.70
By ACME Marine for 2-1/4" - 2-1/2" Shafts. Awesome device that works by simply removing your prop nut, screw the harmonic puller onto the shaft and...
Prop Knocker All Brass Harmonic Prop Puller - For 1-3/8" Shafts KNOCKER138
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
11%
$77.95 $87.99
Prop Knocker All Brass Harmonic Prop Puller - For 1-3/8" Shafts KNOCKER138
$77.95 $87.99
All Brass Prop Knocker - Fits 1-3/8"Shafts 1-8 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 1" And 1-1/8" Shafts KNOCKER118
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
17%
$49.95 $59.99
Prop Knocker All Brass Harmonic Prop Puller - For 1" And 1-1/8" Shafts KNOCKER118
$49.95 $59.99
All Brass Prop Knocker - Fits 1" & 1-1/8" Shafts 3/4"-10 threads CNC Machined from All Brass with perfection. Threads onto the shaft, excellent for splined...
Rudder Assembly Blade Post & Cut For Keyway - Special Order RPTN-1.125-SP
Rudder Assembly - Blade, Post & Cut For Keyway - Special Order RPTN-1.125-SP
5%
$720.00 $755.00
Rudder Assembly Blade Post & Cut For Keyway - Special Order RPTN-1.125-SP
$720.00 $755.00
Rudder Assembly - Blade, Post & Cut For Keyway - Special Order RPTN-1.125-SP - 1-1/8" Rudder Shaft Diameter 30 Day Lead Time On This Special...
Rudder Assembly Drop Arm Tiller - RPTLSB-P-DROP
RUDDER ASSEMBLY DROP ARM TILLER - RPTLSB-P-DROP
22%
$974.00 $1,248.81
Rudder Assembly Drop Arm Tiller - RPTLSB-P-DROP
$974.00 $1,248.81
For V-drives with drop down tiller arm that drops down 1" 4" X 4" Rudder Port Flange with slotted bolt holes and 2" Outside Diameter...
Tracking Fin - Special Turn Fin Flat Base Marine Hardware Fineline TURN6.00-F-B
Tracking Fin - Special Turn Fin Flat Base Marine Hardware TURN6.00-F-B Tracking Fin - Special Turn Fin Flat Base Marine Hardware TURN6.00-F-B
7%
$229.05 $246.30
Tracking Fin - Special Turn Fin Flat Base Marine Hardware Fineline TURN6.00-F-B
$229.05 $246.30
Tracking Fin - Special Turn Fin Flat Base Marine Hardware Fits Centurion and Supreme boats TURN6.00-F-B Marine Hardware,™ Inc. proudly makes the most competitive product line...
Rudder - 1000-C803 - Rudder Coronado
Rudder - 1000-C803 - Rudder Coronado
16%
$1,245.00 $1,490.09
Rudder - 1000-C803 - Rudder Coronado
$1,245.00 $1,490.09
REPLACEMENT RUDDER Post 1.00" Diameter and 9-1/4" tall Blade Length is 11" tall Bottom of rudder is 4-1/4" Coronado For Rudder Port - CLICK HERE...
Stuffing Box 1" Shaft and 1-3/4" I.D. Hose and 2 Stainless Steel Hose Clamps
Stuffing Box 1" Shaft and 1-3/4" I.D. Hose and 2 Stainless Steel Hose Clamps Stuffing Box 1" Shaft and 1-3/4" I.D. Hose and 2 Stainless Steel Hose Clamps
11%
$195.00 $219.00
Stuffing Box 1" Shaft and 1-3/4" I.D. Hose and 2 Stainless Steel Hose Clamps
$195.00 $219.00
STUFFING BOX FOR 1" SHAFT This is your traditional wax rope packed stuffing box for your 1" shaft with a 1-3/4" ID hose. Stuffing Box comes WITH...
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...
Coupling Nut Nylock 3/4-10 Zinc Coating Steel Prevents Shaft Galling-Seizing OEM 0253ZINC0.750-10
Coupling Nut Nylock 3/4-10 Zinc Coating Steel Prevents Shaft Galling-Seizing OEM 0253ZINC0.750-10 Coupling Nut Nylock 3/4-10 Zinc Coating Steel Prevents Shaft Galling-Seizing OEM 0253ZINC0.750-10
20%
$21.50 $26.99
Coupling Nut Nylock 3/4-10 Zinc Coating Steel Prevents Shaft Galling-Seizing OEM 0253ZINC0.750-10
$21.50 $26.99
The Nylock COUPLING Nut is zinc coated steel and prevents galling; seizing of the shaft threads and shaft! Fits 3/4" Shafts 3/4 - 10 Thread...
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