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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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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 SHAFT SYSTEM A.R.E. FOR 1 INCH X 5 INCH BORG WARNER STYLE COUPLER
27%
$401.99 $549.99
1" X 4" A.R.E. Inboard Shaft System and Coupler
$401.99 $549.99
Dual Taper, Pricing Good For Shafts Up To 5' You Must Supply Us With DIMENSION A - OR - DIMENSION B. Please follow the directions in...
1" X 5" A.R.E. Inboard Shaft System and Coupler
1" X 5" A.R.E. Inboard Shaft System and Coupler 1" X 5" A.R.E. Inboard Shaft System and Coupler
27%
$425.99 $579.99
1" X 5" A.R.E. Inboard Shaft System and Coupler
$425.99 $579.99
Dual Taper, Pricing Good For Shafts Up To 5' You Must Supply Us With DIMENSION A - OR - DIMENSION B. Please follow the directions in...
1-1/8" X 3-1/2" A.R.E Inboard Shaft System and Coupler
1-1/8" X 3-1/2" A.R.E Inboard Shaft System and Coupler 1-1/8" X 3-1/2" A.R.E Inboard Shaft System and Coupler
30%
$439.99 $628.99
1-1/8" X 3-1/2" A.R.E Inboard Shaft System and Coupler
$439.99 $628.99
Dual Taper, Pricing Good For Shafts Up To 5' You Must Supply Us With DIMENSION A - OR - DIMENSION B. Please follow the directions in...
1-1/8" X 4" A.R.E Inboard Shaft System and Coupler
1-1/8" X 4" A.R.E Inboard Shaft System and Coupler 1-1/8" X 4" A.R.E Inboard Shaft System and Coupler
30%
$439.99 $628.99
1-1/8" X 4" A.R.E Inboard Shaft System and Coupler
$439.99 $628.99
Dual Taper, Pricing Good For Shafts Up To 5' You Must Supply Us With DIMENSION A - OR - DIMENSION B. Please follow the directions in...
1-1/8" X 4" A.R.E Inboard Shaft System and Coupler With 7/16" Bolt Holes Hurth Ski Vee
1-1/8" X 4" A.R.E Inboard Shaft System and Coupler 1-1/8" X 4" A.R.E Inboard Shaft System and Coupler
30%
$439.99 $628.99
1-1/8" X 4" A.R.E Inboard Shaft System and Coupler With 7/16" Bolt Holes Hurth Ski Vee
$439.99 $628.99
Dual Taper, Pricing Good For Shafts Up To 5' You Must Supply Us With DIMENSION A - OR - DIMENSION B. Please follow the directions in...
1-1/8" X 5" A.R.E Inboard Shaft System and Coupler
1-1/8" X 5" A.R.E Inboard Shaft System and Coupler 1-1/8" X 5" A.R.E Inboard Shaft System and Coupler
28%
$473.95 $658.99
1-1/8" X 5" A.R.E Inboard Shaft System and Coupler
$473.95 $658.99
Dual Taper, Pricing Good For Shafts Up To 5' You Must Supply Us With DIMENSION A - OR - DIMENSION B. Please follow the directions in...
1-1/8" X 5" A.R.E Inboard Shaft System With Inverted Coupler
1-1/8" X 5" A.R.E Inboard Shaft System With Inverted Coupler 1-1/8" X 5" A.R.E Inboard Shaft System With Inverted Coupler
30%
$463.99 $658.99
1-1/8" X 5" A.R.E Inboard Shaft System With Inverted Coupler
$463.99 $658.99
Dual Taper, Pricing Good For Shafts Up To 5' You Must Supply Us With DIMENSION A - OR - DIMENSION B. Please follow the directions in...
1-1/8" X 5" A.R.E. Inboard Shaft System Splined Inverted Coupler Hurth
1-1/8" X 5" A.R.E. Inboard Shaft System Splined Inverted Coupler 1-1/8" X 5" A.R.E. Inboard Shaft System Splined Inverted Coupler
18%
$463.99 $563.99
1-1/8" X 5" A.R.E. Inboard Shaft System Splined Inverted Coupler Hurth
$463.99 $563.99
Dual Taper, Pricing Good For Shafts Up To 5' You Must Supply Us With DIMENSION A - OR - DIMENSION B. Please follow the directions in...
1-1/8" X 5" Hurth Splined A.R.E. Inboard Shaft System Splined Coupler - 52.5 Inches Long
1-1/8" X 5" A.R.E. Inboard Shaft System Splined Inverted Coupler 1-1/8" X 5" A.R.E. Inboard Shaft System Splined Inverted Coupler
5%
$765.00 $803.00
1-1/8" X 5" Hurth Splined A.R.E. Inboard Shaft System Splined Coupler - 52.5 Inches Long
$765.00 $803.00
1-1/8" Splined A.R.E. Shaft System Hurth 5" Coupler The measurement on THIS shaft system is for DIMENSION A of 50-3/4" This shaft system is 52.5 Inches...
ACME Prop Puller For 1-1/4" Drive Shafts C-Clamp Style Includes Bolt And Cap
ACME PROP PULLER FOR 1-1/4" DRIVE SHAFTS C-CLAMP STYLE INCLUDES BOLT AND CAP ACME PROP PULLER FOR 1-1/4" DRIVE SHAFTS C-CLAMP STYLE INCLUDES BOLT AND CAP
28%
$132.00 $184.00
ACME Prop Puller For 1-1/4" Drive Shafts C-Clamp Style Includes Bolt And Cap
$132.00 $184.00
ACME Traditional Prop Puller For 1-1/4" Shafts, 3 or 4 Blade Props Includes the Bolt, (3.10" lg. overall) & Cap with Snap Ring
ACME Prop Puller For 1" And 1-1/8" 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 ACME Prop Puller For <b>1" And 1-1/8"</b> Drive Shafts C-Clamp Style Includes Bolt And Cap
20%
$125.00 $156.59
ACME Prop Puller For 1" And 1-1/8" Drive Shafts C-Clamp Style Includes Bolt And Cap
$125.00 $156.59
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
Bolt Flywheel Damper - Ford 302-351 OEM R009001
Bolt Flywheel Damper - Ford 302-351 OEM R009001
6%
$6.29 $6.67
Bolt Flywheel Damper - Ford 302-351 OEM R009001
$6.29 $6.67
Bolts Damper to Flywheel FORD 5/16-18 X 3/4 SHOULDER BOLT
Bolt Flywheel Damper GM Small And Big Block Engine OEM R009092
Bolt Flywheel Damper GM Small And Big Block Engine OEM R009092
8%
$8.45 $9.18
Bolt Flywheel Damper GM Small And Big Block Engine OEM R009092
$8.45 $9.18
You can use your old bolts. These bolts fit standard thread flywheels  Grade 5 -  3/8 - 1 X 1"  Be sure to make sure...
Bolts For Strut - 3/8" - 16 x 3" Stainless Steel Fits All Inboard Struts
34%
$7.88 $12.00
Bolts For Strut - 3/8" - 16 x 3" Stainless Steel Fits All Inboard Struts
$7.88 $12.00
Fits All Inboard Struts - 18/8 Stainless Steel -  * SOLD EACH - SOLD EACH 3/8" Diameter 16 Pitch 3" Long Includes: Flat top hex...
Coupling Bolt Hardware Set 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 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...
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
8%
$23.00 $24.99
Coupling Nut Nylock 3/4-10 Zinc Coating Steel Prevents Shaft Galling-Seizing OEM 0253ZINC0.750-10
$23.00 $24.99
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...
Fair Water Cap Kit by ACME - 1" Or 1-1/8"Shafts NiBral ACME 5580
Fair Water Cap Kit by ACME - 1" Or 1-1/8"Shafts NiBral ACME 5580 Fair Water Cap by ACME - 1" Or 1-1/8"Shafts Prop Not Included Cone Cap Only NiBral ACME 5580
21%
$51.00 $64.95
Fair Water Cap Kit by ACME - 1" Or 1-1/8"Shafts NiBral ACME 5580
$51.00 $64.95
Fits 1" & 1-1/8" Shafts ACME 5580 ACME Fair Water Cap kit includes one nylock prop nut, fair water conical cap, and allen wrench for...
Flex Gland Dripless Drive Shaft Seal Kit 1" By Johnson Propellers New!
FLEX GLAND SYSTEM DRIVE SHAFT SEAL KIT 1-1/8" BY JOHNSON PROPELLER NEW! Flex Gland Dripless Drive Shaft Seal Kit <b>1"</b> By Johnson Propellers New!
13%
$96.00 $110.00
Flex Gland Dripless Drive Shaft Seal Kit 1" By Johnson Propellers New!
$96.00 $110.00
Johnson Propellers Dripless Shaft Seal. For 1" drive shafts. Does not require a water supply from the engine. Also designed to provide more flexibility in...
Flex Gland Dripless Drive Shaft Seal Kit 1-1/4" By Johnson Propellers. New!
FLEX GLAND SYSTEM DRIVE SHAFT SEAL KIT 1-1/4" BY JOHNSON PROPELLER NEW! Flex Gland Dripless Drive Shaft Seal Kit <b>1-1/4"</b> By Johnson Propellers. New!
16%
$99.00 $118.00
Flex Gland Dripless Drive Shaft Seal Kit 1-1/4" By Johnson Propellers. New!
$99.00 $118.00
Johnson Propellers Dripless Shaft Seal. For 1-1/4" drive shafts. Does not require a water supply from the engine. Also designed to provide more flexibility in...
Flex Gland Dripless Drive Shaft Seal Kit 1-1/8" By Johnson Propellers. New!
FLEX GLAND SYSTEM DRIVE SHAFT SEAL KIT 1-1/8" BY JOHNSON PROPELLER NEW! Flex Gland Dripless Drive Shaft Seal Kit <b>1-1/8"</b> By Johnson Propellers. New!
13%
$96.00 $110.00
Flex Gland Dripless Drive Shaft Seal Kit 1-1/8" By Johnson Propellers. New!
$96.00 $110.00
Johnson Propellers Dripless Shaft Seal. For 1-1/8" drive shafts. Does not require a water supply from the engine. Also designed to provide more flexibility in...
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