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.

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!

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" GLIDE Marine Seal Systems are comprised entirely of our GLIDE-400 material and are  roudly made in the USA....
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
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...
ACME Harmonic Prop Puller For 1-1/2 INCH Shafts 5010 ACME Harmonic Prop Puller For 1-1/2 INCH Shafts 5010
8%
$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...
Acme Harmonic Prop Puller For <b>2 Inch</b> Shafts 5012 Acme Harmonic Prop Puller For <b>2 Inch</b> Shafts 5012
9%
$174.00 $191.00
By ACME Marine for 2" Shafts. Awesome device that works by simply removing your prop nut, screw the harmonic puller onto the shaft and gently...
ACME HARMONIC PROP KIT - THE WEEKEND SAVER FULL REPLACEMENT KIT FOR 1 OR 1-1/8 INCH SHAFTS ACME HARMONIC PROP KIT - THE WEEKEND SAVER FULL REPLACEMENT KIT FOR 1 OR 1-1/8 INCH SHAFTS
11%
$178.05 $199.99
The 1-1/8" shaft size kit includes a carry case that fits props up to 15.5" in diameter. Everything you need to save a weekend on...
RUDDER ASSEMBLY N & J SEAL BOX AND PORT RPTN BLADE- RPTNNJ-P
25%
$1,224.05 $1,639.95
For Malibu approximately 1988 through 1994 Marine Hardware Rudder Assembly 3-1/4" x 4" rectangular rudder port with a 2" bore 5" long tiller arm Keyed for port...
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
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...
Seal Kit Lower Unit Lower Unit Seal Kit for Johnson Evinrude OEM 18-2684
7%
$31.00 $33.49
Lower unit seal kit for Johnson Evinrude Sierra Kit Replaces Mallory 9-74105  
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
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...
ACME Harmonic Prop Puller For 1-3/8 Inch Shafts 5019 ACME Harmonic Prop Puller For 1-3/8 Inch Shafts 5019
7%
$135.00 $145.00
By ACME Marine for 1-3/8" Shafts. 1" - 8 UNC Awesome device that works by simply removing your prop nut, screw the harmonic puller onto the...
OJ JOHNSON PROP KNOCKER FOR 1 AND 1-1/8 INCH SHAFTS OJ JOHNSON PROP KNOCKER FOR 1 AND 1-1/8 INCH SHAFTS
11%
$31.00 $35.00
The Original "OJ® Prop Knocker" Prop Puller Fits SPLINED SHAFTS The Harmonic Puller (Prop Knocker) By Johnson Propeller! Excellent for Splined Shafts! Threads onto the...
Install Tool For 1-1/8" Flex Gland Seal  - Fits The <b>1-1/8"</b> Flex Gland Dripless Shaft Seal by Johnson Propellers OJFGB_1.125 Install Tool For 1-1/8" Flex Gland Seal  - Fits The <b>1-1/8"</b> Flex Gland Dripless Shaft Seal by Johnson Propellers OJFGB_1.125
16%
$16.00 $19.00
Plastic INSTALL TOOL only! The complete Flex Gland comes WITH one of these tools. This one would be an extra tool in case you need...
Strut - Sanger 16 Degree 1 Inch Shaft 6 Hole Pattern - Includes Strut Bearings MH-710-1.00 Strut - Sanger 16 Degree 1 Inch Shaft 6 Hole Pattern - Includes Strut Bearings MH-710-1.00
9%
$594.00 $656.00
Fits boats with 1-1/8" driveshaft and 6 bolt mounting pattern16 degree - Sanger Has 6 Mounting Holes and includes brass shelled rubber strut bushings! All...
Strut - Moomba-Supra Vee Drive 15 Degree 1-1/8" Shaft Size Includes Strut Bearings MH701-1.12
16%
$534.00 $639.00
15 Degree with a 6 bolt mounting pattern - Fits 1-1/8" Shafts Has 6 Mounting Holes and includes brass shelled rubber strut bushings! Fits most...
1" X 5" A.R.E. Inboard Shaft System and Coupler 1" X 5" A.R.E. Inboard Shaft System and Coupler
27%
$514.00 $707.00
Dual Taper, Pricing Good For Shafts Up To 5' Fits most boats with a 1:1 transmission Borg Warner Style (72c) and big block engines 454-...
Strut Bearings Set Glide Marine Vesconite Hilube 1" X 1-1/2"
16%
$75.00 $89.00
VESCONITE STRUT BEARING SET 1" I.D. x 1-1/2 O.D. Each of the bearings are 2" in length and are sold by the pair. OJ-2025 Vesconite...
1-1/8" X 4" A.R.E. Inboard Drive Shaft System Dual Taper 1-1/8" X 4" A.R.E Inboard Shaft System and Coupler
16%
$585.00 $699.00
Dual Taper, Pricing Good For Shafts Up To 5' Normally fits inboard boats that have a 1:1 transmission Borg Warner Style and a small block...
1-1/8" PSS Shaft Seal Kit 1-1/8" Diameter Drive Shafts Comes With Install Kit 1-1/8" PSS Shaft Seal Kit 1-1/8" Diameter Drive Shafts Comes With Install Kit
1%
$472.00 $479.00
Fits all boats with 1-1/8" shaft and 1-3/4 length shaft log.  COMES WITH the quick install kit; Item INSTKIT1.125X.37 Uses a Stainless Steel rotor that slides...
Packing Nut Wrench For Rudder | Shaft Stuffing Box 2-1/4" OEM SPW-415 Packing Nut Wrench For Rudder | Shaft Stuffing Box 2-1/4" OEM SPW-415
9%
$38.95 $42.95
2-1/4" Rudder & Shaft Stuffing Box Wrench for Inboards, made out of 3/8" thick Billet Aluminum | Black Anodized This is a Stub Wrench for...
Rudder Assembly Mastercraft 1987 - 2015 - Flat Tiller Arm Keyed Port Or Starboard Rudder Assembly Mastercraft 1987 - 2015 - Flat Tiller Arm Keyed Port Or Starboard
22%
$1,135.00 $1,448.99
Rudder Assembly - Rudder Assembly Mastercraft Keyed  - Flat Tiller Arm Keyed Keyed port & starboard with two key cuts on each rudder. For Mastercraft 1987...
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