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! 

Fuel Filter Element NAPA Gold 3943 Replaces Indmar 98-2021 Which Is NLA Fuel Filter Element NAPA Gold 3943 Replaces Indmar 98-2021 Which Is NLA
23%
$11.45 $14.95
FUEL FILTER ELEMENT FOR CARTER MECHANICAL FUEL PUMPS WIX FILTER. REPLACES INDMAR 98-2021 Fits: Indmar Ford 351 fuel pump filter. All years with the original...
Sea Strainer Bowl Clear Replacement Sherwood Strainer Fits 1 Inch, 1-1/4 Inch & 1-1/2 Inch NPT Sea Strainer Bowl Clear Replacement Sherwood Strainer Fits 1 Inch, 1-1/4 Inch & 1-1/2 Inch NPT
7%
$56.00 $60.39
Fits 1", 1-1/4" and 1-1/2" Sherwood Strainers O'ring sold separately Item SHER-11803 Replacement screw-on clear bowl for Sherwood 1 in., 1 1/4 in. & 1...
OEM Mercruiser impeller service kit 98-8M137221 OEM Mercruiser impeller service kit 98-8M137221
3%
$85.00 $88.08
OEM Mercruiser impeller service kit 98-8M137221 NEW NUMBER IS 47-8M137221 This is OEM, not an aftermarket Impeller Kit Replaces Quicksilver 98-8M0137221 Four-piece Water Pump Impeller...
Impeller Kit Jabsco Mastercraft LT1 Around 1995 Splined And More 18777-0001-P
8%
$45.00 $48.98
Mastercraft LT1 engines around 1995 FULL REPAIR KIT! Gaskets Included! Used on some Marine Power Part # 527272 This new Jabsco part number replaces the  OLD 22120-0001...
Fuel Filter Spin On 3-3/4 Inch High Sierra 18-7844 21 Micron Short Filter Fuel Filter Spin On 3-3/4 Inch High Sierra 18-7844 21 Micron Short Filter
14%
$12.09 $13.99
21 Micron SHORT Fuel Water Separator Filter 3-3/4" This is the same filter as Item # 18-7845 but a little shorter and usually used on carbureted...
Sea Strainer Sherwood Complete Assembly 1 Inch NPT
24%
$73.79 $97.19
1" Fits PCM Ford 351, 302, ALL YEARS! ONE INCH STRAINER Fitting barbs are sold separately - See links below Be sure to get your...
Tune Up Kit Mercruiser 4.3L Pre-Vortec Complete Tune Up Kit M43TBOLT
5%
$164.25 $172.35
Comprehensive kit includes the items needed to tune-up Pre Vortec Mercruiser 4.3 liter engines with Thunderbolt ignition system. Normal annual maintenance items including distributor cap,...
Gasket For Oberdorfer N202M Raw Water Pumps - OEM OB6599
13%
Sold Out
For older Oberdorfer N202M model raw water pumps that use a gasket to seal the cover plate to the pump. Oberdorfer impeller gasket Used on...
Belt PCM Serpentine - ZR & LY6 Engines - 2008 And Newer OEM PCM R066033A
10%
$56.00 $62.29
PCM R066033A - ZR ENGINES 2008 AND UP Fits 2008 AND UP PCM Chevy 6.0L - ZR409 Serpentine Belt 6.0 ZR 409 & 450 PCM...
Pulley Raw Water Pump 6.0 PCM Item R065050 Pulley Raw Water Pump 6.0 PCM Item R065050
9%
$74.32 $81.98
Pulley for Raw Water Pump 6.0L Original PCM R065050 Pulley Raw Water Pump 6.0L Crusader Raw water pump pulley PCM ZR6 & ZR409 (all)
Sending Unit Oil Pressure 80 PSI Single Station GM Ford PCM & Indmar 2006 & Prior PCM OEM R020001
42%
$38.45 $66.14
OEM PCM Oil Pressure Sending Unit PCM FORD & GM R020001 Fits most engines from 1970 through 2006 Replaces Indmar 64-5002 Sierra® Brand - Click HERE...
Temperature Sender Engine Coolant - 3/8 Inch NPT OEM R020019
27%
$18.08 $24.86
OEM Temperature Sensor for PCM & INDMAR Original Crusader ETC sensor sends coolant temperature reading to ECM Fits most GM Engines Later model LT1 screws into the Termostat housing...
CLAMP BLOCK KIT INBOARD SKI BOATS MECHANICAL STEERING SUPPORT CLAMP BLOCK KIT INBOARD SKI BOATS MECHANICAL STEERING SUPPORT
23%
$112.00 $145.29
2 - 1/4 in. stand-off transom mounted clamp block supports the mechanical steering cable on inboard ski boats. Designed specifically for inboard ski boat applications...
Distributor Cap With O-Ring (86 & Prior) Prestolite Clip Down Sierra Replaces PCM RA108002
26%
$33.90 $46.00
Cap & Gasket Sierra 18-5369 Gasket Included Sierra Brand Distributor cap for V8 marine engines with Prestolite distributors using two clips to retain cap to distributor...
Fuel Filter Element And Canister Kit - Sierra 18-7861 Fuel Filter Element And Canister Kit - Sierra 18-7861
10%
Sold Out
Sierra® replacement fuel filter & canister used on many early model Crusader & OMC marine engines. Fits many early model OMC & Crusader engines using...
Replacement Screen For Indmar Strainer Pro Indmar OEM 48-6104 Replacement Screen For Indmar Strainer Pro Indmar OEM 48-6104
17%
$40.00 $47.95
Wire mesh strainer basket that is used in Indmar's Strainer Pro in-line strainer. Fits all Indmar Strainer Pro models. OEM Indmar Product
Spark Plug Set AC Delco Stainless GM Carb Or EFI - 8 Plug Set OEM# MR43-T Spark Plug Set AC Delco Stainless GM Carb Or EFI - 8 Plug Set OEM# MR43-T
13%
$37.36 $42.97
Original AC Delco Stainless MR43-T SHORT REACH plug fits GM Pre-Vortec engines. SOLD SET OF 8 SPARK PLUGS - SET OF 8 GM DELCO CARB...
Marine Power EFI G-Force Fuel Pump Kit with Filter and Canister 438704 Marine Power EFI G-Force Fuel Pump Kit with Filter and Canister 438704
6%
$849.00 $899.00
OEM MARINE POWER EFI 438704 with Filter and Canister Marine Power G-Force Fuel System Kit. Includes: G-Force fuel Pump (438704), Canister (442018), Filter (396007) with...
Marine Power G-Force Fuel Pump 438716 Marine Power G-Force Fuel Pump Cartridge 438716
12%
$598.00 $676.60
Marine Power G-Force Fuel Pump - Complete Fuel Pump OEM Quality! FOR THE FILTER, CLICK HERE
Switch Sender Water Temp For 3/8 Inch NPT 200 Degree Temperature Switch
9%
$24.50 $27.00
Water Temperature Switch - 3/8 inch NPT Sierra - Overheat temperature switch turns on alarm or warning light. 3/8 in. NPT 200 degree trip point...
Impeller Puller Sea Dog Stainless Steel
14%
$85.00 $98.63
For impellers 2-1/4'' to 2-9/16'' SeaDog® Allows easier removal of flexible impellers from pumps! You will need 5-1/4" clearance in front of the pump and...
Ignition Coil Module Assembly HVS 5.0l And 5.7L 2002 & Up OEM RA117011 Ignition Coil Module Assembly HVS 5.0l And 5.7L 2002 & Up OEM RA117011
4%
$188.50 $197.14
COIL Assembly 5.7L  RA117011 OEM Replaces Mercury/Mercruiser 8M0054588 Replaces Indmar 55-6343 Replaces Pleasurecraft Marine RA117011 Replaces Volvo Penta 3861985 2002 & Up PCM 5.0 Pro Sport...
Tune Up Kit 302-351 (86 & Prior) Prestolite - Mallory Clip Down Type Sierra Replaces RP173024
21%
$68.05 $85.65
SIERRA BRAND 18-5277 FULL TUNE UP KIT 1986 & Prior - Clip Down Cap Replaces OEM: RP173024 - Clip Down Replaces Mallory 9-29316 Breaker Point...
Sealant Marine Grade 3M White 5200 Fast Cure
34%
$28.00 $42.74
5200 3M Fast curing adhesive sealant ideal for permanent bonding of fiberglass, wood and gelcoat. 3M 5200 marine adhesive sealant Fast cure in 24-48 hours...
Items 97 to 120 of 884 total