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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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Bolts For Strut - 3/8" - 16 x 3" Stainless Steel Fits All Inboard Struts
Bolts For Strut - 3/8" - 16 x 3" Stainless Steel Fits All Inboard Struts Bolts For Strut - 3/8" - 16 x 3" Stainless Steel Fits All Inboard Struts
19%
$13.00 $16.00
Bolts For Strut - 3/8" - 16 x 3" Stainless Steel Fits All Inboard Struts
$13.00 $16.00
Fits Most Inboard Struts - 18/8 Stainless Steel -  * SOLD EACH - SOLD EACH 3/8" Diameter 16 Pitch 3" Long Includes: Flat top hex...
Woodruff Key Brass For Keyway Prop - Shaft 1/4" X 1/4" X 1 1/2" ACME OEM - ACME-5004
Woodruff Key Brass For Keyway Prop - Shaft 1/4" X 1/4" X 1 1/2" Woodruff Key Brass For Keyway Prop - Shaft 1/4" X 1/4" X 1 1/2" ACME BRAND
16%
$10.95 $12.99
Woodruff Key Brass For Keyway Prop - Shaft 1/4" X 1/4" X 1 1/2" ACME OEM - ACME-5004
$10.95 $12.99
Woodruff Key Brass For Keyway Prop - Shaft 1/4" X 1/4" X 1 1/2"    
1-1/8" X 3-1/2" A.R.E Inboard Shaft System and Coupler Walters V Drive WS2050B
1-1/8" X 3-1/2" A.R.E Inboard Shaft System and Coupler Walters V Drive 1-1/8" X 3-1/2" A.R.E Inboard Shaft System and Coupler Walters V Drive
27%
$562.00 $768.00
1-1/8" X 3-1/2" A.R.E Inboard Shaft System and Coupler Walters V Drive WS2050B
$562.00 $768.00
Dual Taper, Pricing Good For Shafts Up To 5' Comes with the 3-1/2" Walter V-Drive Coupling. Includes, keys, nuts, cotter pins and set screws This...
Output Shaft Nut Velvet Drive OEM ALTO-023320
Output Shaft Nut Velvet Drive OEM ALTO-023320 Output Shaft Nut Velvet Drive OEM ALTO-023320
14%
$22.99 $26.76
Output Shaft Nut Velvet Drive OEM ALTO-023320
$22.99 $26.76
Output Shaft Nut OEM Velvet Drive transmission out flange/coupling nylock retaining nut Nut includes built in flange washer One time use requires replacement after installation...
Packing Extractor Western Pacific® OEM WPT-10160 # 1 New Item By Request!
Packing Extractor Western Pacific® OEM WPT-10160 # 1Packing Extractor Western Pacific® OEM WPT-10160 # 1 New Item By Request! Packing Extractor Western Pacific® OEM WPT-10160 # 1 New Item By Request!
22%
$10.33 $13.29
Packing Extractor Western Pacific® OEM WPT-10160 # 1 New Item By Request!
$10.33 $13.29
Western Pacific Trading 10160 Packing Extractor Tool #1 Extractor PERFECT for removing your old rope packing. #1 Packing Extractor Tool #1 has 7 3/4 inch...
Tracking Fin - Special Turn Fin Flat Base Marine Hardware - TURN1050
Tracking Fin - Special Turn Fin Flat Base Marine Hardware - TURN1050 Tracking Fin - Special Turn Fin Flat Base Marine Hardware - TURN1050
18%
$186.00 $226.30
Tracking Fin - Special Turn Fin Flat Base Marine Hardware - TURN1050
$186.00 $226.30
Tracking Fin - Special Turn Fin Flat Base Marine Hardware - TURN1050  70mag. - 6" Marine Hardware,™ Inc. proudly makes the most competitive product line...
Shaft Log 14-16 Degree Bronze OEM Marine Hardware
Shaft Log 14-16 Degree Bronze OEM Marine Hardware Shaft Log 14-16 Degree Bronze OEM Marine Hardware
30%
$125.00 $178.99
Shaft Log 14-16 Degree Bronze OEM Marine Hardware
$125.00 $178.99
12 to 16 Degree Shaft Log By Marine Hardware° Note: When the shaft log is connected to the stuffing box with a rubber hose, the angle...
Sealant Marine Grade 3M White 5200 Fast Cure
Sealant Marine Grade 3M White 5200 Fast Cure
34%
$28.00 $42.74
Sealant Marine Grade 3M White 5200 Fast Cure
$28.00 $42.74
5200 3M Fast curing adhesive sealant ideal for permanent bonding of fiberglass, wood and gelcoat. 3M 5200 marine adhesive sealant Fast cure in 24-48 hours...
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
13%
$19.00 $21.95
Prop Nut Brass Castle Nut For 1" or 1-1/8" Inboard Shafts Slotted Castle Nut
$19.00 $21.95
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...
Prop Knocker All Brass Harmonic Prop Puller - For 1-1/2" Shafts KNOCKER112
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
10%
$92.95 $102.95
Prop Knocker All Brass Harmonic Prop Puller - For 1-1/2" Shafts KNOCKER112
$92.95 $102.95
All Brass Prop Knocker - Fits 1-1/2"Shafts 1-1/8-7 threads CNC Machined from All Brass with perfection. Threads onto the shaft, excellent for splined shafts. Simply screw...
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
31%
$530.29 $769.69
Strut - 15 Degree - 1-1/8 Inch Shaft 6 Hole Bolt Pattern STSL-15 Includes Strut Bearings
$530.29 $769.69
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...
Nylock Prop Nut Kit Brass For 1-1/4 Shafts With Key And Cotter Pin OJ-3123B
Nylock Prop Nut Kit Brass For 1-1/4 Shafts With Key And Cotter Pin OJ-3123B
21%
$23.00 $28.99
Nylock Prop Nut Kit Brass For 1-1/4 Shafts With Key And Cotter Pin OJ-3123B
$23.00 $28.99
OJ Prop Nut Kit 3123B by Johnson Propeller Fits 1-1/4" Shafts Everything you need by Johnson Propeller Kit includes a 3/4″ brass Nylock prop nut,...
Glide® Dripless Shaft Seal Complete Kit 1-1/8" X 1-3/4" OEM GMSS 1.125X1.750 KIT
Glide® Dripless Shaft Seal Complete Kit 1-1/4" X 2.00" OEM GMSS 1.250X2.000 KIT
6%
$175.00 $186.05
Glide® Dripless Shaft Seal Complete Kit 1-1/8" X 1-3/4" OEM GMSS 1.125X1.750 KIT
$175.00 $186.05
1-1/8" X 1-3/4" Glide® Dripless Shaft Complete Seal Kit  For those ready to tackle the job of replacing your existing seal system on your own,...
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
9%
$61.25 $67.00
ACME Harmonic Prop Puller For 1 Or 1-1/8 Inch Shafts 5005
$61.25 $67.00
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...
ACME Prop Puller For 1-1/4" Drive Shafts C-Clamp Style Includes Bolt And Cap ACME 330S
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
5%
$175.00 $184.00
ACME Prop Puller For 1-1/4" Drive Shafts C-Clamp Style Includes Bolt And Cap ACME 330S
$175.00 $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
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%
$16.00 $19.00
Install Tool For 1" Flex Gland Seal - Fits The 1" Flex Gland Dripless Shaft Seal by Johnson Propellers OJFGB_1.00
$16.00 $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...
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