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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! 

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7.4L L29 Delco Tune Up Kit M74DELCO/L29/MAG
7.4L L29 Delco Tune Up Kit M74DELCO/L29/MAG
$179.00 $187.17
7.4L L29 Delco Tune Up Kit M74DELCO/L29/MAG
$179.00 $187.17
Comprehensive kit includes the items needed to tune-up Mercruiser 7.4L L29 GM multiport efi engines with Delco EST ignition system. Normal annual maintenance items including...
Mercruiser 4.3 Liter Delco EST Tune Up Kit M43DELCO
Mercruiser 4.3 Liter Delco EST Tune Up Kit M43DELCO
$150.00 $162.21
Mercruiser 4.3 Liter Delco EST Tune Up Kit M43DELCO
$150.00 $162.21
Comprehensive kit includes everything needed to tune-up a Mercruiser 4.3L engines with Delco EST electronic distributor. Normal annual maintenance items including distributor cap, rotor, spark...
Dextron-III Transmission Fluid 1 Quart OEM 872020-1
Dextron-III Transmission Fluid 1 Quart OEM 872020-1
$21.25 $23.23
Dextron-III Transmission Fluid 1 Quart OEM 872020-1
$21.25 $23.23
Indmar automatic transmission fluid that meets Dextron-III requirements for Indmar transmission applications. Indmar Dextron-III automatic transmission fluid in 1 quart bottleUsed in Indmar engine tow...
15W-40 Multi-Vehicle Engine Oil 1 Gallon OEM Sierra 18-9554-3
15W-40 Multi-Vehicle Engine Oil 1 Gallon OEM Sierra 18-9554-3 15W-40 Multi-Vehicle Engine Oil 1 Gallon OEM Sierra 18-9554-3
$41.49 $44.49
15W-40 Multi-Vehicle Engine Oil 1 Gallon OEM Sierra 18-9554-3
$41.49 $44.49
Designed for use with Shell Rotella T4, DELO 400, and compatible with MerCruiser, Indmar, Pleasurecraft, Crusader, Volvo Penta, and MasterCraft inboard, sterndrive, and industrial engine...
Marine Boat Trailer & 4x4 Wheel Bearing Grease 14 ounce STA-LUBE-SL3120
Marine Boat Trailer & 4x4 Wheel Bearing Grease 14 ounce STA-LUBE-SL3120 Marine Boat Trailer & 4x4 Wheel Bearing Grease 14 ounce STA-LUBE-SL3120
$12.00 $14.13
Marine Boat Trailer & 4x4 Wheel Bearing Grease 14 ounce STA-LUBE-SL3120
$12.00 $14.13
Sta-Lube® Marine Boat Trailer & 4x4 Wheel Bear Grease Tube provides long-lasting lubrication for boat trailers and 4x4s in freshwater or saltwater. Protects bearings, seals,...
Rudder Algonac Cast Searay Rudder OEM 26540
Rudder Algonac Cast Searay Rudder OEM 26540 Rudder Algonac Cast Searay Rudder OEM 26540
$3,710.00 $5,236.61
Rudder Algonac Cast Searay Rudder OEM 26540
$3,710.00 $5,236.61
REPLACEMENT RUDDER - POST AND RUDDER ONLY FOR Searay 410, 420, 440 with 1/2 inch rudder post. Fits Searay 410, 420 and 440 Shaft Size: ...
Commercial Prop Nut Size 11 Zinc Anode Martyr-CMPN11Z
Commercial Prop Nut Size 11 Zinc Anode Martyr-CMPN11Z Commercial Prop Nut Size 11 Zinc Anode Martyr-CMPN11Z
$39.00 $48.18
Commercial Prop Nut Size 11 Zinc Anode Martyr-CMPN11Z
$39.00 $48.18
Commercial Prop Nut Anode Zinc Size 11 Most propeller shafts are partially insulated from other parts of the vessel. The relatively high-resistant electrical path isolates...
Sparkplug Wire Set Volvo 5.0L & 5.7L V8 Delco EST | Volvo Penta 3888326
Sparkplug Wire Set Volvo 5.0L & 5.7L V8 Delco EST | Volvo Penta 3888326
$123.00 $137.00
Sparkplug Wire Set Volvo 5.0L & 5.7L V8 Delco EST | Volvo Penta 3888326
$123.00 $137.00
Original Volvo Penta 7mm ignition set fits GM V8 marine engines with Delco EST distributors. GM V8 Delco EST marine spark plug wire set Fits...
Sea Strainer Complete Assembly Marine Hardware 2.50 Inch NPT
Sea Strainer Complete Assembly Marine Hardware 1-1/4 Inch NPT Sea Strainer Complete Assembly Marine Hardware 2.50 Inch NPT
$784.74 $915.53
Sea Strainer Complete Assembly Marine Hardware 2.50 Inch NPT
$784.74 $915.53
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
EST V6 Ignition Wire Set 7mm | OEM Volvo Penta 3888325
$84.95 $90.90
EST V6 Ignition Wire Set 7mm | OEM Volvo Penta 3888325
$84.95 $90.90
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
Delco EST V6 Distributor Cap | OEM Volvo Penta 3854331
$39.50 $43.30
Delco EST V6 Distributor Cap | OEM Volvo Penta 3854331
$39.50 $43.30
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
V6 Delco Rotor | OEM Volvo Penta 3854311
$13.50 $14.85
V6 Delco Rotor | OEM Volvo Penta 3854311
$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...
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 Steering Cable Back-Mount Rack Mechanical Steering Cable Single 21 foot | Dometic SSC13421
$265.00 $310.99
Steering Cable Back-Mount Rack Mechanical Steering Cable Single 21 foot | Dometic SSC13421
$265.00 $310.99
Standard Teleflex single rack replacement cable fits SH5210P, SH5230P, SH91610P & SH91630P helms
Impeller Kit | Volvo Penta 24139373
Impeller Kit | Volvo Penta 24139373 Impeller Kit | Volvo Penta 24139373
$161.46
Impeller Kit | Volvo Penta 24139373
$161.46
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 Impeller Kit | Volvo Penta 22994993
$130.86 $132.30
Impeller Kit | Volvo Penta 22994993
$130.86 $132.30
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
Mercruiser Bravo I Magnesium Anode Kit | Martyr CMBRAVO1KITM
$99.56 $133.18
Mercruiser Bravo I Magnesium Anode Kit | Martyr CMBRAVO1KITM
$99.56 $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...
Distributor Cap 1987 and newer OEM Indmar 75-5020
Distributor Cap 1987 and newer OEM Indmar 75-5020
$56.36 $60.69
Distributor Cap 1987 and newer OEM Indmar 75-5020
$56.36 $60.69
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
Mercruiser Water Pump Assembly with Pulley | EMP 46-46302
$439.99 $549.99
Mercruiser Water Pump Assembly with Pulley | EMP 46-46302
$439.99 $549.99
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
Inline Fuel Filter | Sierra 18-7829
$8.24 $8.39
Inline Fuel Filter | Sierra 18-7829
$8.24 $8.39
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
3/8 inch Hydraulic Steering Nylon Tubing, 50 foot | Dometic HT5095
$125.00 $138.99
3/8 inch Hydraulic Steering Nylon Tubing, 50 foot | Dometic HT5095
$125.00 $138.99
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...
Hose Barb 1-1/2 Inch Straight For Strainers
Hose Barb 1-1/2 Inch Straight For Strainers
$10.00 $12.89
Hose Barb 1-1/2 Inch Straight For Strainers
$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
Hose Barb 1-1/2 Inch 90 Degree For Strainers
$7.95 $12.89
Hose Barb 1-1/2 Inch 90 Degree For Strainers
$7.95 $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
1-1/2 In. NPT x 1-1/2 In. Straight Hose Barb Bronze Pipe-to-Hose Adapter | Groco GROCO-PTH-1500
$30.20 $39.00
1-1/2 In. NPT x 1-1/2 In. Straight Hose Barb Bronze Pipe-to-Hose Adapter | Groco GROCO-PTH-1500
$30.20 $39.00
1-1/2" Bronze Straight Barb Fitting for Marine Hardware Strainers - Bronze FittingGroco 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
1-1/2 In. NPT x 1-1/2 In. Elbow Hose Barb Bronze Pipe-to-Hose Adapter | Groco GROCO-PTHC-1500
$44.00 $50.00
1-1/2 In. NPT x 1-1/2 In. Elbow Hose Barb Bronze Pipe-to-Hose Adapter | Groco GROCO-PTHC-1500
$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 1-1/2 Inch NPT
Sea Strainer Complete Assembly Marine Hardware 1-1/4 Inch NPT Sea Strainer Complete Assembly Marine Hardware 1-1/4 Inch NPT
$411.99 $480.66
Sea Strainer Complete Assembly Marine Hardware 1-1/2 Inch NPT
$411.99 $480.66
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. Straight Hose Barb Bronze Pipe-to-Hose Adapter | Groco PTH-1250
1-1/4 In. NPT x 1-1/4 In. Hose Barb Bronze Pipe-to-Hose Adapter | Groco PTH-1250
$22.00 $24.00
1-1/4 In. NPT x 1-1/4 In. Straight Hose Barb Bronze Pipe-to-Hose Adapter | Groco PTH-1250
$22.00 $24.00
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 Gasket Water Pump OEM - Mercury 27-8172771
$5.50 $7.50
Gasket Water Pump OEM - Mercury 27-8172771
$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 Quicksilver Fits Select 40-300 HP Models | OEM 47-43026Q02
Impeller OEM Quicksilver Fits Select 40-300 HP Models
$36.49
Impeller Quicksilver Fits Select 40-300 HP Models | OEM 47-43026Q02
$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...
Cam For Sherwood Pump | Sherwood 10944
Cam For Sherwood Pump | Sherwood 10944
$84.95 $105.99
Cam For Sherwood Pump | Sherwood 10944
$84.95 $105.99
Replacement impeller cam for various Sherwood seawater pumps. Sherwood raw water pump large cam For specific Sherwood engine cooling pumps used on various Chris Craft,...
Mercury Impeller | Replaces Mercury 47-43026Q02 | Sierra 18-3056
Mercury Impeller | Sierra 18-3056
$27.89 $29.99
Mercury Impeller | Replaces Mercury 47-43026Q02 | Sierra 18-3056
$27.89 $29.99
Replacement water pump impeller for many Mercury/Mariner outboards & Mercruiser Alpha I Gen II stern drives. Sierra Mercury impeller For Mercruiser Alpha 1 Gen II...
Oil Filter | Volvo Penta 23658092
Oil Filter | Volvo Penta 23658092 Oil Filter | Volvo Penta 23658092
$30.00 $30.40
Oil Filter | Volvo Penta 23658092
$30.00 $30.40
Original Volvo Standard oil filter used on various Volvo Penta diesel engines. Fits Volvo Penta D9, D11, D12, D16, D162, D163, and D165 series diesel...
Automatic Or Manual Bilge Pump- Rule 500 GPH RUL-25SA
Automatic Or Manual Bilge Pump- Rule 500 GPH RUL-25SA Automatic Or Manual Bilge Pump- Rule 500 GPH RUL-25SA
$103.22 $114.85
Automatic Or Manual Bilge Pump- Rule 500 GPH RUL-25SA
$103.22 $114.85
500 GPH Rule Automatic Bilge Pump, 12V Rule automatic bilge pump. Manual or automatic operation. Three wire hook up. 500 GPH Automatic Sensing Pump 12V...
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