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!

Shaft Log 14-16 Degree Bronze OEM Marine Hardware 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
$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" 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...
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
$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,...
Prop Knocker All Brass Harmonic Prop Puller - For 2" Shafts KNOCKER200 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 1" And 1-1/8" Shafts Prop Knocker All Brass Harmonic Prop Puller - For 1" And 1-1/8" Shafts
$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...
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
$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 <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
$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
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
$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
Strut | Mastercraft With 1-1/8 Inch Drive Shaft Includes New Bearings
$569.00 $827.19
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
$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 1-1/4" X 2.00" OEM GMSS 1.250X2.000
$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
$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...
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
$16.00 $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...
Rudder Box Assembly Ski Boat - RBST1.00-SLOT-BRG 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
$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....
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
$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...
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...
ACME Harmonic Prop Puller For 1-1/2 INCH Shafts 5010 ACME Harmonic Prop Puller For 1-1/2 INCH Shafts 5010
$132.00 $142.90
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...
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