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! 

Gasket For Sherwood Raw Water Pumps OEM RM0125 PCM
13%
$5.00 $5.76
Impeller Gasket Sherwood Raw Water Pump; Gasket Only PCM# RM0125 Replaces Universal 302879 Sherwood Gasket for Sherwood Raw Water Pump Fits all PCM Sherwood pumps EXCEPT...
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...
Spark Plug Set Ford 302-351 Set Of 8 Replaces PCM RP030002 NGK 2771 Spark Plug Set Ford 302-351 Set Of 8 Replaces PCM RP030002 NGK 2771
8%
$34.00 $36.95
NGK Spark Plug Set - Replaces PCM RP030002 STANDARD ENGINES 240/250 HP - 1989 - 1995 Includes 8 Plugs NGK spark plug Part number UR5 Stock...
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
17%
Sold Out
OEM MARINE POWER EFI G-Force Fuel Pump Kit with Filter and Canister Marine Power G-Force Fuel System Kit. Includes: G-Force fuel Pump (438704), Canister (442018),...
Tune Up Kit Delco Ignition System Tune Up Kit Complete Tune Up Kit Delco Ignition System Tune Up Kit Complete
5%
$168.25 $177.93
Comprehensive kit includes everything needed to tune-up This Delco ignition tune-up kit bundle fits most variations of Indmar engines with a Delco Ignition system. The...
Belt Tensioner Assembly PCM 6.0L Engines RA068002 Belt Tensioner Assembly PCM 6.0L Engines RA068002
24%
$118.75 $155.90
CRU-RA068002 6.0L COMPLETE ASSEMBLY BODY & PULLEY Fits PCM 2003 up ZR-6, ZR-409 & ZR-450 Serpentine belt tensioner assembly with grooved pulley fits Crusader 6.0L...
Wire Set Spark Plug And Coil PCM - 6.0L 2008 & Older Original PCM RK120021A
14%
$78.91 $92.03
OEM PCM Spark Plug Wire Set For 6.0L PCM OEM PART For: 2003-2007 PCM ZR6 Original Crusader RK120021A 7mm ignition wire set fits Crusader 6.0L MPI marine engines....
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...
Tune Up Kit Mercruiser Small Block Vortec Thunderbolt Complete Tune Up Kit 1999+ MMD-M57TBOLTGEN
9%
$179.54 $197.42
Comprehensive kit includes everything needed to tune-up Mercruiser 5.0L & 5.7L Vortec engines with Thunderbolt electronic distributors 1996 AND UP. THIS IS VORTEC - 1996...
Tune Up Kit 302-351 (87 & Later) Prestolite Mallory Screw Down Type Replaces RP173024A Sierra 18-5275 Tune Up Kit 302-351 (87 & Later) Prestolite Mallory Screw Down Type Replaces RP173024A Sierra 18-5275
21%
$59.00 $74.99
Replaces OEM: RP173024A 1987 & Later Screw Down Cap Replaces Mallory 9-29315 Breaker Point Standard Ignition Tune Up Kit Includes Cap, Rotor, Points and Condenser....
Distributor Cap With O-Ring (86 & Prior) Prestolite Clip Down Sierra Replaces PCM RA108002
28%
$32.90 $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...
O-Ring For Oberdorfer Pumps 9797-034
14%
$8.00 $9.28
O-ring fits Oberdorfer N202M-03, N202M-07, N202M-15, N202M-16 & N202M-908 raw water pumps. O-ring For Oberdorfer N202M model bronze rubber impeller pumps and some Onan pumps...
Quick Connect Fitting 1/2 Inch x 3/8 NPT  OEM Indmar 60-1027 Quick Connect Fitting 1/2 Inch x 3/8 NPT  OEM Indmar 60-1027
37%
Sold Out
These are no longer available and the new number is 60-1048A - Click Below THE NEW NUMBER IS 60-1048A - CLICK HERE ORIGINAL INDMAR FITTING 60-1027...
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...
Sea Strainer O-Ring & Full Service Kit Marine Hardware 2 And 2-1/2 Inch SEASKIT-2.0-2.5
12%
$42.00 $47.79
Service Kit for your 2-1/2" or 2" Marine Hardware Sea Strainer Comes as pictured with 8 stainless steel bolts, 2 O-Rings, 2 Stainless Steel lock washers and...
SEA STRAINER CAP REPLACEMENT MARINE HARDWARE FOR 1 INCH NPT
27%
$79.47 $108.66
 Replacement CAP for your 1"or 3/4" NPT Marine Hardware Sea Strainer CAP TOP AND O-RING Marine Hardware,TM Inc.’s Universal Mount Sea Strainers incorporate all the best features....
Hose Barb 1 Inch 90 Degree For Strainers
37%
$5.99 $9.50
90 Degree Elbow Fitting Nylon Fitting  for Strainers 1" Outside Diameter Barb x 1" NPT Lasco® Fitting 90° Insert Elbow: 1 in x 1 in Fitting Pipe Size,...
Wire Set Spark Plug And Coil Set 8MM PCM Protec Ford-GM OEM RA121040 Wire Set Spark Plug And Coil Set 8MM PCM Protec Ford-GM OEM RA121040
17%
$52.95 $63.49
Original Crusader 8mm ignition wire set fits Crusader marine engines Coil Pack Protec Ignitions 1989 - 1995 Carbureted or Throttle Body EFI - PTI - PROTEC...
Spark Plug Set AC Delco Iridium AC-41-101 Set Of 8 AC Delco Brand ACD-41-101 Replaces PCM RP030010 Spark Plug Set AC Delco Iridium AC-41-101 Set Of 8 AC Delco Brand ACD-41-101 Replaces PCM RP030010
37%
$88.00 $140.56
AC DELCO 41-101 Spark Plug Set Replaces PCM RP030010 Includes 8 Plugs 5.0 MPI & 5.7 Excaliber -2002 & Up Indmar 2006 up 5.7L engines...
Wire Set Spark Plug Set GM & Ford 351 - 305 - 350 - 7MM OEM 97454 Replaces RK120016
11%
$57.56 $64.99
Original Crusader 7mm ignition wire set fits Crusader marine engines with Prestolite distributors RK120016 PART NUMBER HAS BEEN REPLACED WITH 97454 OEM PCM - Prestolite Crusader...
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