CLOSED FOR ANNUAL INVENTORY - ORDER & SHIPPING NOTICE - OUR OFFICES WILL BE CLOSED THROUGH THE FOLLOWING DATES:

FRIDAY, OCTOBER 17th THROUGH FRIDAY, OCTOBER 24th FOR INVENTORY. WE WILL REOPEN MONDAY, OCTOBER 27th.

ALL ORDERS PLACED DURING THIS TIME WILL BE PROCESSED ON MONDAY, OCTOBER 27th WHEN WE RESUME OUR NORMAL BUSINESS HOURS.

WE APPRECIATE YOU AND THANK YOU FOR YOUR BUSINESS! GOD BLESS AND HAPPY FALL!

Winterization - Maintenance

Winterization - Maintenance

When it's time to winterize, My Inboard Marine has a large selection of marine winterization products to help make the job easier and save you valuable time. We carry engine oil, oil change pumps, oil change kits, filters, impellers, spark plugs, flush kits, oils, grease and so much more! Don't get left at the dock when it is time for some fun!

Check out our Marine Maintenance Products too! Nothing takes the fun out of your boating experience than a boat that will not start or a problem that has not been fixed. Keep your boat in excellent condition all year round with our Boat Winterization and Marine Maintenance Products today. Get the jump on your boating season! 

Sta-Bil Marine Formula Gas-Diesel Fuel Stabilizer-Ethanol Treatment 8 Oz. Concentrated Sta-Bil Marine Formula Gas-Diesel Fuel Stabilizer-Ethanol Treatment 8 Oz. Concentrated
10%
$13.45 $14.99
STA-BIL MARINE FORMULA FUEL PROTECTANT 8 Oz. Concentrate Concentrated blend of scientific additives all of which act together to prevent fuel from undergoing degradation and...
OIL Filter Canister Style Spin On - FIL-1069
19%
$12.95 $15.95
OIL Filter Canister Style Spin On - FIL-1069
Knob Style Push-Pull Utility Control Cable, 20 foot | Dometic CC34320
7%
$158.00 $168.99
Knob Style Push-Pull Utility Control Cable, 20 foot Replaces Morse Controls 018872-000-240.0, 33LU-20K, 33LU-20T Replaces Teleflex CC34320 Replaces MORSE 018873-000-0240 T-HANDLE CABLE ITEM NO. 202775...
Sea Strainer Complete Assembly Marine Hardware 1-1/4 Inch NPT Sea Strainer Complete Assembly Marine Hardware 2.50 Inch NPT
39%
$640.00 $1,056.88
This will fit Indmar; Ford & GM, PCM GM and Mercruiser GM UNIVERSAL SWIVEL MOUNT - 2.5" inlet and 2.5" outlet. Drain Plugs included for Winterizing!...
EST V6 Ignition Wire Set 7mm | OEM Volvo Penta 3888325
3%
$84.95 $87.40
Spark plug wire set for Volvo V6 GM engines with Delco EST ignition with 135 degree spark plug bootr and 90 degree distributor cap boots....
Delco EST V6 Distributor Cap | OEM Volvo Penta 3854331
10%
$38.50 $42.60
Original equipment Volvo Penta distributor cap for GM V6 marine engines with Delco EST module-in-cap distributors Original Volvo Penta distributor cap for 4.3L GM V6...
V6 Delco Rotor | OEM Volvo Penta 3854311
9%
$13.50 $14.85
V6 Delco Rotor | OEM volvo Penta 3854311 Replaces OMC 3854311 Replaces Volvo Penta 857593 WARNING- This product can expose you to chemicals which are...
Sea Strainer Complete Assembly Marine Hardware 1-1/4 Inch NPT Sea Strainer Complete Assembly Marine Hardware 2.00 Inch NPT
35%
$540.00 $825.66
This will fit Indmar; Ford & GM, PCM GM and Mercruiser GM UNIVERSAL SWIVEL MOUNT - 2.0" inlet and 2.0" outlet. Drain Plugs included for Winterizing!...
Pro Trim Fingertip Blinker Style Tilt Jack Plate Lever Control | Dometic PT1000-2P Pro Trim Fingertip Blinker Style Tilt Jack Plate Lever Control | Dometic PT1000-2P
16%
$94.00 $111.89
Seastar™ With Pro-Trim from Dometic/SeaStar Solutions, you can keep both hands on the wheel and concentrate on your driving. Its clean, modern design looks at...
Steering Cable Back-Mount Rack Mechanical Steering Cable Single 21 foot | Dometic SSC13421 Steering Cable Back-Mount Rack Mechanical Steering Cable Single 21 foot | Dometic SSC13421
15%
$265.00 $310.99
Standard Teleflex single rack replacement cable fits SH5210P, SH5230P, SH91610P & SH91630P helms
Circulating Water Pump GM LT1 Engines 1993-1996 Corvette Engines Circulating Water Pump GM LT1 Engines 1993-1996 Corvette Engines
26%
$295.00 $399.98
Indmar Mastercraft Circulation Pump 1993-1996 CORVETTE LT1 Engine Water circulating pump fits Indmar LT1 Corvette marine engines. Mostly use in MasterCraft boats. Fits Indmar LT-1...
Fuel Filter In-Line 3/8" Inlet - 3/8" Outlet 33270 Fuel Filter In-Line 3/8" Inlet - 3/8" Outlet 33270
18%
$15.50 $18.95
3/8" Inlet & 3/8" Outlet In-Line Fuel Filter Body Length 3.81 in Bottom Outside Diameter 1.9 in Filter Media Material Wire Mesh Filter Type In-Line Fuel Filter O.D....
Steering Cylinder Seal Rebuild Kit with Wrench | Dometic HS5157 Steering Cylinder Seal Rebuild Kit with Wrench | Dometic HS5157
11%
$253.20 $284.99
Seastar Seal kit for various outboard SeaStar hydraulic steering cylinders. Teleflex SeaStar hydraulic steering cylinder seal kit For SeaStar pivot/front mount hydraulic steering cylinders For...
Wire Set Plugs And Coil Indmar Yellow 5.7L HVS OEM Indmar 75-1105 Wire Set Plugs And Coil Indmar Yellow 5.7L HVS OEM Indmar 75-1105
21%
$155.00 $195.79
YELLOW COLOR - NEW OEM Indmar Wire Set For 5.7 HVS REPLACES THE NLA Indmar 75-6004-75-1106 & PCM RK120018A Genuine Indmar HVS Wire set.  The...
Impeller Kit | Volvo Penta 24139373 Impeller Kit | Volvo Penta 24139373
5%
$161.46 $169.89
OEM Volvo Penta impeller kit with cover o-ring, gasket and impeller lubricant for diesel engines including D6-340 and above and D8 models. Threaded for easier...
Impeller Kit | Volvo Penta 22994993 Impeller Kit | Volvo Penta 22994993
4%
$139.16 $145.69
OEM Volvo Penta impeller kit with cover o-ring, gasket and impeller lubricant for diesel engines including D6 & D8 models. Threaded for easier removal! - CLICK...
Mercruiser Bravo I Magnesium Anode Kit | Martyr CMBRAVO1KITM
17%
$110.56 $133.18
Martyr anode kit includes all replacement anodes needed to protect Mercruiser Bravo I stern drives from corrosion in fresh water applications. Replaces 97-888757Q02 Mercruiser Bravo...
Rotor for Prestolite Distributor 1987 and newer OEM Indmar 75-5018
14%
$27.05 $31.40
OEM Indmar Rotor for model years 1987 and newer Prestolite distributors used in Indmar applications. For Cap - CLICK HERE
Distributor Cap 1987 and newer OEM Indmar 75-5020
15%
$64.05 $75.52
Distributor Cap for model years 1987 and newer. Click HERE for Sierra Brand 18-5352 Distributor Cap Fits engines 1987 & up Replaces Chrysler 4142817 For Rotor...
Mercruiser Water Pump Assembly with Pulley | EMP 46-46302
15%
$465.00 $549.00
Direct Replacement Sea water pump fits Mercruiser MCM/MIE 4.3 liter, 5.0 liter, 5.7 liter, and 6.2 liter MPI engines with ECM 555. Sea water pump...
Inline Fuel Filter | Sierra 18-7829
28%
$6.25 $8.68
Inline Fuel Filter | Sierra 18-7829 Large capacity for 1/4 in. inside diameter fuel line Replaces Mercury 35-16494, 35-816296, 35-816296T, 35-816296Q, 35-816296Q2, 35-816296K03 Replaces Bombardier...
3/8 inch Hydraulic Steering Nylon Tubing, 50 foot | Dometic HT5095
2%
$132.00 $134.99
50 feet of 3/8 in. nylon hydraulic tubing for use with many small inboard & stern drive Seastar hydraulic steering systems. For use with Teleflex...
1.7 Front Mount Hydraulic Steering Helm | Dometic HH5271-4 1.7 Front Mount Hydraulic Steering Helm | Dometic HH5271-4
6%
$895.99 $949.87
Dometic No Feedback hydraulic steering helm for single or multiple outboard engines, and single or dual Inboard engines. For Single or Multiple Outboard Engines up...
Hose Barb 1-1/2 Inch Straight For Strainers
22%
$10.00 $12.89
Straight Fitting Nylon Fitting  for Strainers - 1-1/2" In & Out 1-1/2" Outside Diameter Barb x 1-1/2" NPT
Hose Barb 1-1/2 Inch 90 Degree For Strainers
22%
$10.00 $12.89
90 Degree Elbow Fitting Nylon Fitting  for Strainers - 1-1/2" In & Out 1-1/2" Outside Diameter Barb x 1-1/2" NPT  MMD Powerline Fitting
1-1/2 In. NPT x 1-1/2 In. Straight Hose Barb Bronze Pipe-to-Hose Adapter | Groco GROCO-PTH-1500
23%
$30.20 $39.00
1-1/2" Bronze Straight Barb Fitting  for Marine Hardware Srainers - Bronze Fitting Groco PTH-1500 straight pipe-to-hose barb fitting features a 1-1/2 inch male NPT thread and...
1-1/2 In. NPT x 1-1/2 In. Elbow Hose Barb Bronze Pipe-to-Hose Adapter | Groco GROCO-PTHC-1500
12%
$44.00 $50.00
Bronze 90 Degree Barb Fitting  for Marine Hardware Srainers - Bronze Fitting PTHC 90 Degree Standard Flow Fitting PTH straight standard flow fitting NPT pipe...
Sea Strainer Complete Assembly Marine Hardware 1-1/4 Inch NPT Sea Strainer Complete Assembly Marine Hardware 1-1/4 Inch NPT
37%
$348.00 $554.87
This will fit Indmar; Ford & GM, PCM GM and Mercruiser GM UNIVERSAL SWIVEL MOUNT - 1-1/2" inlet and 1-1/2" outlet. Drain Plugs included for Winterizing!...
1-1/4 In. NPT x 1-1/4 In. Hose Barb Bronze Pipe-to-Hose Adapter | Groco PTH-1250
19%
$21.00 $26.00
1-1/4 " Bronze Straight Barb Fitting  for Marine Hardware Srainers - Bronze Fitting Groco PTH-1250 straight pipe-to-hose barb fitting features a 1-1/4 inch male NPT thread...
Gasket Water Pump OEM - Mercury 27-8172771 Gasket Water Pump OEM - Mercury 27-8172771
27%
$5.50 $7.50
Replacement water pump impeller for many Mercury/Mariner outboards & Mercruiser. Fits 40/45/50/60 FourStroke Bigfoot, 60 (3 cyl.) BigFoot, 75-125 (all 3 & 4 cylinder models,...
Impeller OEM Quicksilver Fits Select 40-300 HP Models
$36.49
Replacement water pump impeller for many Mercury/Mariner outboards & Mercruiser. OEM Product Fits 40/45/50/60 FourStroke Bigfoot, 60 (3 cyl.) BigFoot, 75-125 (all 3 & 4...
Metal Washer For ohnson Raw Water Pump OEM Indmar 685017
33%
$10.00 $14.99
WASHER FOR INDMAR PUMP OEM 68-5017 Washer used in Johnson raw water pump. Used with all Indmar applications with Johnson water pump. This is the...
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