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! 

AC Delco Spark Plug Set - Iridium Platinum 6.0L OEM Part RP030011 AC Delco Spark Plug Set - Iridium Platinum 6.0L OEM Part RP030011
12%
$139.00 $157.10
Crusader RP030011 Spark Plug Set Includes 8 Plugs Crusader 6.0L Platinum Spark Plug Set For Crusader 6.0L GM engines Contains (8) platinum AC Delco plugs...
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...
Switch Emergency Cut Off Lanyard Switch Emergency Cut Off Lanyard
24%
$26.05 $34.43
Emergency Cut Off Switch Assembly With Lanyard Engine cut-off switch kills engine ignition when lanyard is pulled Sierra emergency cut-off switch and lanyard 4 prong...
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,...
Tune Up Kit Mercruiser Small Block Vortec Thunderbolt Complete Tune Up Kit 1999+ MMD-M57TBOLTGEN
7%
$210.00 $225.63
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...
Distributor Cap Prestolite Screw Down (87 And Later) Sierra Brand 18-5352
13%
$32.05 $36.89
Distributor Cap, No gasket required on screw down type 1987 & Up Sierra Brand 18-5352 For OEM Indmar - CLICK HERE The color may be...
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...
Knock Sensor GT 40 1995 Up PCM Ford GT40 Multi Port EFI PCM R020022
17%
$74.40 $89.29
Knock Sensor, PCM GT 40 1995 & up MPFI PCM OEM Item Replaces OMC/Johnson/Evinrude 3853956 Replaces Volvo Penta 3857030
O-Ring Neutral Safety Switch Original PCM OEM R047166
35%
$2.95 $4.55
O-RING FOR NEUTRAL SAFETY SWITCH Fits PCM and Velvet Drive Switches ORIGINAL OEM PART PCM R047166
Switch Oil Pressure PCM Protec Ignition Original R020015A Switch Oil Pressure PCM Protec Ignition Original R020015A
21%
$54.60 $69.54
Original PCM R020015A - Note: This replaces the NLA R020015 OIL PRESSURE SWITCH R020015A – PCM PRO TEC 1989-1994 ALL GT40’S AND GM TO 2006...
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....
Oil Drain Kit Ford 351 - 14 MM OEM RK024056C
10%
$47.87 $52.99
Use on 1996 and Up Ford Oil Pans with metric thread M14 x 1.5 oil drain fitting Hose is 4 feet long If you have a...
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
29%
$99.95 $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...
Spark Plug Set Ford 351 HO - GT-40 Set Of 8 OEM RP030007 Spark Plug Set Ford 351 HO - GT-40 Set Of 8 OEM RP030007
3%
$37.00 $38.02
Original Crusader - PCM Spark Plug Set RP030007 Includes 8 Plugs PCM Spark plugs for 351's, GT-40 HO engines Note these Autolite 104 plugs supersede...
Wire Set Spark Plug And Coil 5.0 - 5.7 MPI HVS LH Original PCM RK120018A
24%
$87.90 $116.15
OEM PCM Wire Set For 5.7 & 5.0L MPI HVS Left Hand - Standard Rotation Replaces Indmar 75-1106 - 751106 Right Hand or Reverse Rotation Uses...
Tune Up Kit 302-351 (87 & Later) Prestolite - Mallory V8 Screw Down Original PCM Item RP173024A Tune Up Kit 302-351 (87 & Later) Prestolite - Mallory V8 Screw Down Original PCM Item RP173024A
18%
$57.00 $69.20
1987 & LATER V8 SCREW DOWN CAP ORIGINAL PCM Not Aftermarket Breaker Point Standard Ignition Tune Up Kit Includes Cap, Rotor, Points and Condenser SCREW...
Points Prestolite 1-42 Ford All Years Sierra 18-5303 Points Prestolite 1-42 Ford All Years Sierra 18-5303
6%
$12.25 $12.99
All years Ford Prestolite Points Sierra Brand 18-5303 Works with All Prestolite Clip Down OR Screw Down Caps has the little felt piece. Point set...
Distributor Cap Mallory 209 D-Stack Cap Replaces PCM R108001 Sierra Brand 18-5376
11%
$38.00 $42.49
Distributor Cap for Point type and Electronic distributors Sierra® Brand 18-5376 replaces the PCM R108001 Mallory 209 D Stack Cap This cap now requires a gasket...
Items 141 to 160 of 885 total