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.

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! 

Distibutor Cap and Rotor Kit Delco EST Distributor OEM Indmar 49-6083 Distibutor Cap and Rotor Kit Delco EST Distributor OEM Indmar 49-6083
19%
$32.00 $39.51
Original OEM INDMAR Distributor Cap & Rotor Distributor Cap and Rotor Kit Delco EST Distributor 496083. Kit includes distributor cap (screw on) and rotor for...
Gasket, Heat Exchanger End Cap 4" Rubber OEM RM0166 Gasket, Heat Exchanger End Cap 5" Rubber OEM RM0167
27%
$11.00 $15.00
Heat Exchanger Rubber End Cap - 4 Inch NO LONGER AVAILABLE - CLICK HERE FOR THE SUBSTITUTE OEM PCM CRUSADER RM0166 - Number 9 in...
Oil Line - Transmission Oil Line 17 Inches Long With Locking Sleeve OEM 845028-170S
8%
$36.00 $38.95
ORIGINAL INDMAR 17" Transmission Oil Line with Locking Sleeve HOSE ASM, TRANY COOLER 17" W/SLEEVE LOCKING
Winged Drain Plug & O-Ring For Tee Exhaust Drain Hose Kit Indmar 60-5176 Winged Drain Plug & O-Ring For Tee Exhaust Drain Hose Kit Indmar 60-5176
34%
$8.50 $12.95
Winged Drain Plug for Exhaust Drain Hose OEM Indmar 605176 For Complete Hose Kit with Drain Plug & Tee - CLICK HERE For Plastic Tee...
Dual Station Temperature Sender 1/2-14 Inch NPT Sierra 18-5898
8%
$26.50 $28.95
Engine temperature sending unit sends signal from 1 engine to 2 separate temperature gauges. Dual station 1/2 inch NPT thread size 10-32 stud terminal Works...
Spin-On Water separating Fuel Filter OEM Crusader 22687
8%
$19.29 $20.86
Long Original equipment Crusader water separating spin-on fuel filter in 10 micron. Spin-on water separating fuel filter with 10 micron rating O-ring seal is 2...
V8 Spark Plug Wire Set United Marine 112
9%
$82.38 $90.09
V8 Spark Plug Wire Set United Ignition Wire 112 V8 marine spark plug wire set For GM and Ford V8 engines with Mallory or Prestolite...
Safe-T QC Dash Tilt Module Kit Seastar Solutions SHT91523
6%
$340.47 $363.99
Seastar Solutions Sport Tilt module includes both the tilt helm and the tilt mechanism to provide comfortable steering angles while either sitting or standing. Safe-T...
Indmar Malibu Oil Filter Marine Engine Cartridge-Style 6.2L Ford  Indmar 501022S Indmar Malibu Oil Filter Marine Engine Cartridge-Style 6.2L Ford  Indmar 501022S
18%
$20.00 $24.25
Recommended for all 6.2L Ford Raptor based engines with cartridge-style oil filters. Indmar filters capture 45 percent more dirt and last 30 percent longer than...
Sending Unit Oil Pressure 80 PSI Single Station GM Ford PCM & Indmar 2006 & Prior Sierra® 18-5899
12%
$38.00 $42.99
Single Station Oil Pressure Sender 80 PSI - 1/8-27 in. NPT Sierra® Brand 18-5899 Engine oil pressure sending unit sends a signal to a 0-80...
Oil Line - Transmission Oil Line 36 Inches Long OEM 845028-360
13%
$28.32 $32.60
ORIGINAL INDMAR 36" Transmission Oil Line
Hydraulic Steering Oil 32 Ounce. SeaStar BayStar  HA5430H Hydraulic Steering Oil 32 Ounce. SeaStar BayStar  HA5430H
3%
$27.99 $28.99
Quart of hydraulic steering fluid is formulated for use with Seastar Solutions & Teleflex marine hydraulic steering systems. The only steering fluid recommended for SeaStar...
Belt V-Belt Volvo Penta Carbureted Engine With 2 Belts OEM Volvo 3852464
20%
$18.45 $22.95
Volvo Penta V-Belt For 2 Belt V-Belt Drives - You will need 2 of these belts. SOLD EACH! Fits Volvo Engine Models 4.3GL 4.3GS 4.3GI...
Mechanical Steering Support Tube and Bracket OEM Seastar®-300617
2%
Sold Out
2 Inch short bracket secures mechanical steering cable at the transom for inboard rudder connection applications. Inboard steering cable standoff bracket 2 in. short bracket...
Sender Switch Transmission Oil Temperature Replaces Merc. 87-88031 OEM R020037
8%
$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 Long Boot EST Distributor OEM 98171
2%
$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
17%
$575.00 $690.99
Side Mount Electric Ski Boat Control Side Mount Electric Ski Boat Control | Seastar Solutions CH2200ENCP.  
Rudder - 1000-C803 - Rudder Coronado
16%
$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
13%
$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
19%
$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
18%
$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
16%
$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
5%
$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...
Indmar serpentine belt used on Mastercraft LTR applications. Indmar serpentine belt used on Mastercraft LTR applications.
28%
$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...
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