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:
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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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ACME Prop Puller For 1" And 1-1/8"Drive Shafts C-Clamp Style Includes Bolt And Cap ACME-228S
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
17%
$165.00 $199.59
ACME Prop Puller For 1" And 1-1/8"Drive Shafts C-Clamp Style Includes Bolt And Cap ACME-228S
$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
STRUT - MASTERCRAFT WITH 1-1/8 INCH DRIVE SHAFT - INCLUDES NEW BEARINGS
STRUT - MASTERCRAFT WITH <b>1-1/8 INCH</b> DRIVE SHAFT - INCLUDES NEW BEARINGS
32%
$524.00 $769.69
STRUT - MASTERCRAFT WITH 1-1/8 INCH DRIVE SHAFT - INCLUDES NEW BEARINGS
$524.00 $769.69
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...
ACME Harmonic Prop Puller For 1-1/4 INCH Shafts 5018
ACME HARMONIC PROP PULLER FOR 1-1/4 INCH SHAFTS 5018
13%
$72.00 $82.66
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 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...
Strut - Tige 15 Degree 1-1/8 Inch Shaft 6 Hole Pattern - Includes Strut Bearings OEM TIGEU1004
Strut - Tige 15 Degree 1-1/8 Inch Shaft 6 Hole Pattern - Includes Strut Bearings OEM TIGEU1004
10%
$695.00 $769.62
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...
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 Strut Bushing Set 1 Inch I.D. X 1-3/8 Inch O.D. Brass Bearings SB1.0X1.3
15%
$169.00 $199.95
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....
Rudder Box Backing Plate Only OEM BKPLSQSML-B
Rudder Box Backing Plate Only OEM BKPLSQSML-B
7%
$84.00 $90.66
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...
Prop Knocker All Brass Harmonic Prop Puller - For 1-1/4" Shafts KNOCKER114
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
14%
$61.95 $71.99
Prop Knocker All Brass Harmonic Prop Puller - For 1-1/4" Shafts KNOCKER114
$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...
Prop Nut Brass Castle Nut For 1-1/4" Inboard Shafts Slotted Castle Nut
Prop Nut Brass Castle Nut For 1-1/4" Shafts Slotted Castle Nut Prop Nut Brass Castle Nut For 1-1/4" Shafts Slotted Castle Nut
9%
$22.37 $24.69
Prop Nut Brass Castle Nut For 1-1/4" Inboard Shafts Slotted Castle Nut
$22.37 $24.69
Inboard Castle Nut - Fits 1-1/4" shafts. 7/8-9 thread
Hose Stuffing Box Hose 1-3/4" I.D. X 3.3"
Hose Stuffing Box Hose 1-3/4" I.D. X 3.3" Hose Stuffing Box Hose 1-3/4" I.D. X 3.3"
36%
$18.00 $27.99
Hose Stuffing Box Hose 1-3/4" I.D. X 3.3"
$18.00 $27.99
STUFFING BOX HOSE Includes 2 Stainless Steel Clamps - 1-3/4" Inside Diameter X 3.3" Long.    
Coupling Bolt Hardware Set of 4 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 of 4 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...
Retaining Nut Socket 1-1/4" for the A.R.E. Drive Shaft Systems SYSSOCKET125
Retaining Nut Socket 1-1/4" for the A.R.E. Drive Shaft Systems SYSSOCKET125
11%
$33.00 $36.99
Retaining Nut Socket 1-1/4" for the A.R.E. Drive Shaft Systems SYSSOCKET125
$33.00 $36.99
1-1/4" Socket With Wrench Flats. The ARE retaining nut socket with wrench flats requires only 1" clearance to fit between the transmission and the coupling....
Glide® Dripless Shaft Seal 1-1/8" X 1-3/4" OEM GMSS 1.125X1.750
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" OEM GMSS 1.125X1.750
$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 Prop Knocker All Brass Harmonic Prop Puller - For 2" Shafts KNOCKER200
6%
$164.95 $174.95
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...
ACME Harmonic Prop Puller For 1-1/2 INCH Shafts 5010
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
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...
Acme Harmonic Prop Puller For 2 Inch Shafts 5012
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
Acme Harmonic Prop Puller For 2 Inch Shafts 5012
$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...
The ACME Harmonic Prop Kit - The Weekend Saver Full Replacement Kit For 1 Or 1-1/8 Inch Shafts ACME-4997
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 ACME Harmonic Prop Kit - The Weekend Saver Full Replacement Kit For 1 Or 1-1/8 Inch Shafts ACME-4997
$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
RUDDER ASSEMBLY N & J SEAL BOX AND PORT RPTN BLADE- RPTNNJ-P
25%
$1,224.05 $1,639.95
Rudder Assembly N & J Seal Box And Port RPTN Blade- RPTNNJ-P
$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 1-1/4" 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 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
Flex Gland Seal and Housing Only - Fits The 1-1/4" Flex Gland Dripless Shaft Seal by Johnson Propellers
$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
Seal Kit Lower Unit Lower Unit Seal Kit for Johnson Evinrude OEM 18-2684
7%
$31.00 $33.49
Seal Kit Lower Unit Lower Unit Seal Kit for Johnson Evinrude OEM 18-2684
$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 2-1/4" And 2-1/2" Shafts KNOCKER214250
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
Prop Knocker All Brass Harmonic Prop Puller - For 2-1/4" And 2-1/2" 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...
ACME Harmonic Prop Puller For 1-3/8 Inch Shafts 5019
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
ACME Harmonic Prop Puller For 1-3/8 Inch Shafts 5019
$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" - 1 - 1/8" And 1-1/4" Shafts For Tige - Malibu The Original Prop Knocker
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
OJ Johnson Prop Knocker - For 1" - 1 - 1/8" And 1-1/4" Shafts For Tige - Malibu The Original Prop Knocker
$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 1-1/8"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 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
Install Tool For 1-1/8" Flex Gland Seal - Fits The 1-1/8"Flex Gland Dripless Shaft Seal by Johnson Propellers OJFGB_1.125
$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...
Items 49 to 72 of 198 total