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!
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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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Sender Switch Transmission Oil Temperature Replaces Merc. 87-88031 OEM R020037
Sender Switch Transmission Oil Temperature Replaces Merc. 87-88031 OEM R020037
8%
$137.00 $148.50
Sender Switch Transmission Oil Temperature Replaces Merc. 87-88031 OEM R020037
$137.00 $148.50
Temperature switch activates alarm buzzer if transmission reaches 235 degrees. Switch activates at 235 degrees to turn on alarm Normally open switch Original Crusader Replaces...
Wire Set Spark Plug Wire Set Straight Boot EST Distributor OEM 98171
Wire Set Spark Plug Wire Set Long Boot EST Distributor OEM 98171
2%
$69.00 $70.35
Wire Set Spark Plug Wire Set Straight Boot EST Distributor OEM 98171
$69.00 $70.35
Original Crusader 7mm ignition spark plug wires fit Crusader big block engines with Delco EST electronic ignition marine distributors. Crusader Delco EST big block engine...
Side Mount Electric Ski Boat Side Mount Control Seastar OEM CH2200ENCP
Side Mount Electric Ski Boat Side Mount Control Seastar OEM CH2200ENCP
17%
$575.00 $690.99
Side Mount Electric Ski Boat Side Mount Control Seastar OEM CH2200ENCP
$575.00 $690.99
Side Mount Electric Ski Boat Control Side Mount Electric Ski Boat Control | Seastar Solutions CH2200ENCP.  
Rudder - 1000-C803 - Rudder Coronado
Rudder - 1000-C803 - Rudder Coronado
16%
$1,245.00 $1,490.09
Rudder - 1000-C803 - Rudder Coronado
$1,245.00 $1,490.09
REPLACEMENT RUDDER Post 1.00" Diameter and 9-1/4" tall Blade Length is 11" tall Bottom of rudder is 4-1/4" Coronado For Rudder Port - CLICK HERE...
Tune Up Kit Mercruiser 4.3 Liter Vortec Thunderbolt Complete Tune Up Kit M43TBOLTGEN
Tune Up Kit Mercruiser 4.3 Liter Vortec Thunderbolt Complete Tune Up Kit M43TBOLTGEN
13%
$165.00 $189.95
Tune Up Kit Mercruiser 4.3 Liter Vortec Thunderbolt Complete Tune Up Kit M43TBOLTGEN
$165.00 $189.95
Comprehensive kit includes the items needed to tune-up Gen+ Vortec Mercruiser 4.3 liter engines with Thunderbolt ignition system. Normal annual maintenance items including distributor cap,...
Wire Set Spark Plug Set 8MM 5.0 - 5.7 - MPI - HVS OEM PCM RK120018
Wire Set Spark Plug Set 8MM 5.0 - 5.7 - MPI - HVS OEM PCM RK120018
19%
$85.94 $105.49
Wire Set Spark Plug Set 8MM 5.0 - 5.7 - MPI - HVS OEM PCM RK120018
$85.94 $105.49
Original PCM 8mm ignition wire set MPI 2002 and Up Years. PCM Pro Sport and Excalibur 2006 and up Indmar Engines These Fit the HVS...
Repair Kit Major Raw Water Pump For Sherwood G-21 Pump Kit Complete RA057008
Repair Kit Major Raw Water Pump For Sherwood G-21 Pump Kit Complete RA057008 Repair Kit Major Raw Water Pump For Sherwood G-21 Pump Kit Complete RA057008
18%
$395.74 $483.29
Repair Kit Major Raw Water Pump For Sherwood G-21 Pump Kit Complete RA057008
$395.74 $483.29
SHERWOOD Ford G21 Major Pump repair kit assembly RA057008 Fits PCM Ford G-21 Sherwood Pump Includes Front bearing housing with bearings, seal/seat, and pressed on pulley Does...
Belt Raw Water Pump V-Belts PCM R066021
Belt Raw Water Pump V-Belts PCM R066021
16%
$15.94 $18.99
Belt Raw Water Pump V-Belts PCM R066021
$15.94 $18.99
PCM RAW WATER PUMP BELT 454 CHEVY ENGINES ALL PCM R066021 Raw Water Pump Belt If you need the set for Raw Water Pump AND Alternator,...
Rudder Assembly Blade Post & Cut For Keyway - Special Order RPTN-1.125-SP
Rudder Assembly - Blade, Post & Cut For Keyway - Special Order RPTN-1.125-SP
5%
$720.00 $755.00
Rudder Assembly Blade Post & Cut For Keyway - Special Order RPTN-1.125-SP
$720.00 $755.00
Rudder Assembly - Blade, Post & Cut For Keyway - Special Order RPTN-1.125-SP - 1-1/8" Rudder Shaft Diameter 30 Day Lead Time On This Special...
Belt Indmar LTR Serpentine Mastercraft Alternator Belt Fits The Shoulder Pulley
Indmar serpentine belt used on Mastercraft LTR applications. Indmar serpentine belt used on Mastercraft LTR applications.
28%
$28.00 $38.95
Belt Indmar LTR Serpentine Mastercraft Alternator Belt Fits The Shoulder Pulley
$28.00 $38.95
Indmar serpentine belt used on Mastercraft LTR applications. Indmar serpentine alternator belt Used on Mastercraft LTR marine engines with shouldered pulley Original Indmar Alternator belt...
Bearing Buddy Chrome Trailer Wheel Bearing Protectors 2 Pack Model 1980A
Bearing Buddy Chrome Trailer Wheel Bearing Protectors 2 Pack Model 1980A
6%
$33.00 $35.29
Bearing Buddy Chrome Trailer Wheel Bearing Protectors 2 Pack Model 1980A
$33.00 $35.29
Bearing Buddy Chrome Trailer Wheel Bearing Protector 2 Pack Model 1980A The Bearing Buddy prevents wheel bearing failure on boat, snowmobile, ATV, RV and utility trailers....
Fuse Holder In-Dash Panel Mount Sierra FS45430
Fuse Holder In-Dash Panel Mount Sierra FS45430 Fuse Holder In-Dash Panel Mount Sierra FS45430
48%
$4.95 $9.49
Fuse Holder In-Dash Panel Mount Sierra FS45430
$4.95 $9.49
Twist cap fuse holder, for panel mount dashes up to 5/16" thick Uses 1/4" X 1-1/4" fuses, commonly used on older Mastercraft Boats Fuse Holder...
Sending Unit Oil Pressure Digital 3 Wire Snap Connector PCM 2007- Up OEM R020049
Sending Unit Oil Pressure Digital 3 Wire Snap Connector PCM 2007- Up OEM R020049
9%
$78.41 $86.36
Sending Unit Oil Pressure Digital 3 Wire Snap Connector PCM 2007- Up OEM R020049
$78.41 $86.36
OEM Oil Pressure Sending Digital PCM 2007 & up R020049 For PCM 2007& Up that has 3 wire snap in connector 2007 PCM 5.7L Serial Numbers: 480001 &...
Switch Water Temp Protec – 3/8 Inch NPT – PCM EEMS Protec Ignition To 1995 PCM Brand R020014
Switch Water TEmp Protec – 3/8 Inch NPT – PCM EEMS Protec Ignition To 1995 PCM Brand R020014 Switch Water TEmp Protec – 3/8 Inch NPT – PCM EEMS Protec Ignition To 1995 PCM Brand R020014
29%
$46.95 $65.82
Switch Water Temp Protec – 3/8 Inch NPT – PCM EEMS Protec Ignition To 1995 PCM Brand R020014
$46.95 $65.82
OEM Crusader engine temperature switch for PROTEC Water Temperature Switch – 3/8 inch NPT – PCM EEMS Pro Tec Ignition to 1995 PCM EEMS Pro...
Sea Strainer Complete Assembly Marine Hardware 1-1/4 Inch NPT
Sea Strainer Complete Assembly Marine Hardware 1-1/4 Inch NPT Sea Strainer Complete Assembly Marine Hardware 1-1/4 Inch NPT
29%
$324.00 $454.03
Sea Strainer Complete Assembly Marine Hardware 1-1/4 Inch NPT
$324.00 $454.03
This will fit Indmar; Ford & GM, PCM GM and Mercruiser GM UNIVERSAL SWIVEL MOUNT - 1-1/4" inlet and 1-1/4" outlet. Drain Plugs included for Winterizing!...
1.786 in. Wheel Hub Grease Cap FULT-001501
1.786 in. Wheel Hub Grease Cap FULT-001501
14%
$3.05 $3.53
1.786 in. Wheel Hub Grease Cap FULT-001501
$3.05 $3.53
Zinc plated cap helps retain bearing grease in trailer wheel hubs. 1.786 in. grease cap Zinc plated for corrosion resistance Fulton 1500 series 1.786 in....
11 Ounce Hi-Vis Lube Evinrude BRP-0775603
11 Ounce Hi-Vis Lube Evinrude BRP-0775603
$9.50
11 Ounce Hi-Vis Lube Evinrude BRP-0775603
$9.50
11 Ounce Hi-Vis Lube Evinrude BRP-0775603 11 Oz Hi-Vis Lube Replaces OMC/Johnson/Evinrude 772082
1 Gallon Volvo Penta 80W - 90 Gear Oil VOLVO-1141677
1 Gallon Volvo Penta 80W - 90 Gear Oil VOLVO-1141677
10%
$53.59 $59.40
1 Gallon Volvo Penta 80W - 90 Gear Oil VOLVO-1141677
$53.59 $59.40
OEM Volvo Penta gear lube is designed specifically for late-model Volvo Penta stern drives to reduce friction for longer gear life. Volvo Penta gear lube...
Snapp Fuel Filter Cartridge Racor R23298-10
Snapp Fuel Filter Cartridge Racor R23298-10
15%
Sold Out
Snapp Fuel Filter Cartridge Racor R23298-10
Sold Out
Replacement gasoline fuel filter & water separator for Racor Snapp filters with quick release mechanism. Racor SNAPP marine gasoline replacement fuel filter Legendary Aquabloc filter...
Mercury Cool Fuel Gen III Fuel Filter Disc QS-35-892665 Sierra Brand
Mercury Cool Fuel Gen III Fuel Filter Disc QS-35-892665
17%
$34.00 $40.99
Mercury Cool Fuel Gen III Fuel Filter Disc QS-35-892665 Sierra Brand
$34.00 $40.99
35-892665 Fuel Filter - Sierra Brand - Mercury Brand is No Longer Available  This is a Sierra Brand Filter that replaces the Mercury 35-892665 Fuel Filter...
Cool Fuel Gen III Filter Element OEM Quicksilver° Brand 35-8M0093688
Cool Fuel Gen III Filter Element Quicksilver 35-8M0093688
15%
$64.49 $75.49
Cool Fuel Gen III Filter Element OEM Quicksilver° Brand 35-8M0093688
$64.49 $75.49
Cool Fuel Gen III Filter Element Fuel Filter Element Fits Mercury V8 engines with Gen III cool fuel systems Filter resides in black housing located...
Grease Wheel Bearing Johnson Evinrude BRP-0775779
Grease Wheel Bearing Johnson Evinrude BRP-0775779
3%
$28.95 $29.99
Grease Wheel Bearing Johnson Evinrude BRP-0775779
$28.95 $29.99
Aluminum complex based grease for lubrication & corrosion control of trailer wheel bearings. Extreme pressure grease Ideal for boat trailer wheel bearings and disc brake...
14 Ounce Lube 2-4-C Cartridge Quicksilver 92-802863Q1
14 Ounce Lube 2-4-C Cartridge Quicksilver 92-802863Q1
$23.11
14 Ounce Lube 2-4-C Cartridge Quicksilver 92-802863Q1
$23.11
Quicksilver 92-802863Q1 14 Oz. Lube 2-4-C Cartridge Quicksilver 14 Oz. Lube 2-4-C Cartridge Replaces Mercruiser 92-825407A4, 92-90622A1, 92-90622A4
Adjustable Inboard Motor Flusher Moeller Marine Products 099081-00
Adjustable Inboard Motor Flusher Moeller Marine Products 099081-00
19%
$25.00 $30.69
Adjustable Inboard Motor Flusher Moeller Marine Products 099081-00
$25.00 $30.69
Installs over water intake thru hull of inboard & performance ski boats to allow the running & flushing of engines or generators while trailered. Moeller...
Rectangular Cup Boat Motor Flusher Moeller Marine Products 099077-00
Rectangular Cup Boat Motor Flusher Moeller Marine Products 099077-00
12%
$7.88 $8.98
Rectangular Cup Boat Motor Flusher Moeller Marine Products 099077-00
$7.88 $8.98
Provides water to drive lower units to flush the cooling system or to allow the running of the engine while the boat is trailered. Moeller...
Shift Cable Kit Quicksilver 8M0176523
Shift Cable Kit Quicksilver 8M0176523
Sold Out
Shift Cable Kit Quicksilver 8M0176523
Sold Out
Shift Cable Kit Long Backorder - CLICK HERE FOR SIERRA BRAND! Quicksilver Shift Cable Kit Replaces Mercruiser 19297A3, 815471A3, 815471A6, 865437A02
Crusader Raw Water Pump Sherwood P1014 - SHER-P1014
Crusader Raw Water Pump Sherwood P1014 - SHER-P1014 Direct replacement bronze sea water pump for Crusader RA057031
26%
$884.00 $1,191.37
Crusader Raw Water Pump Sherwood P1014 - SHER-P1014
$884.00 $1,191.37
Direct replacement bronze sea water pump for Crusader RA057031. Pulley driven pump - pulley not included 1 1/4 in. inlet and outlet ports Sherwood bronze...
Oil Extractor Moeller Marine - 7 Liter - 7.2 Quarts Easy Fluid Extractor
Oil Extractor Moeller Marine - 7 Liter - 7.2 Quarts Easy Fluid Extractor
14%
$134.94 $157.48
Oil Extractor Moeller Marine - 7 Liter - 7.2 Quarts Easy Fluid Extractor
$134.94 $157.48
7 Liter Fluid Extractor Moeller Marine Products Vacuum fluid extractor is ideal for engine oil extraction & to remove fluids from hard to reach bilge...
50 Amp 125 Volt Locking Female Connector
Female locking connector for the boat side end of 50A 125V shore cords.
25%
$117.30 $155.75
50 Amp 125 Volt Locking Female Connector
$117.30 $155.75
Female locking connector for the boat side end of 50A 125V shore cords. Marinco female shore cord connector For 50 Amp 125 Volt ship to...
Anode Zinc Drain Plug IND V-Drive Indmar Brand OEM 49-5602 Old Style
Anode Zinc Drain Plug IND V-Drive Indmar Brand OEM 49-5602 Anode Zinc Drain Plug IND V-Drive Indmar Brand OEM 49-5602
21%
$50.00 $63.50
Anode Zinc Drain Plug IND V-Drive Indmar Brand OEM 49-5602 Old Style
$50.00 $63.50
Old Style Original Indmar 885102 & Superceded Number 88-5102 & 49-5602 Pencil Anode Anode Zinc Old style with NO HOLE. Indmar Vee Drive anode Zinc...
Anode Zinc 3-3/4" For Rudder
ANODE ZINC 3-3/4" FOR RUDDER ANODE ZINC 3-3/4" FOR RUDDER
32%
$15.95 $23.50
Anode Zinc 3-3/4" For Rudder
$15.95 $23.50
ZINC ANODE FOR RUDDER  3-3/4" A sacrificial magnet to fight electrolysis in salt water and brackish water applications. 3-3/4" O.D. Zink Includes stainless bolt, nut...
Battery Isolator Switch Add-A-Battery Blue Sea Systems 7650
Battery Isolator Switch Add-A-Battery Blue Sea Systems 7650 Battery Isolator Switch Add-A-Battery Blue Sea Systems 7650
20%
$195.80 $244.66
Battery Isolator Switch Add-A-Battery Blue Sea Systems 7650
$195.80 $244.66
This switch and relay completely separates the batteries for independent use or will allow you to combine them for emergency starting! Great addition and good...
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