OUR OFFICES ARE CLOSED TUESDAY, DECEMBER 24th THROUGH WEDNESDAY, JANUARY 1st FOR THE HOLIDAYS.
Orders received during this time will be processed when we resume normal business hours on Thursday, January 2nd.

Thank YOU for another great year and we are looking forward to keeping you on the water in 2025!
Merry Christmas, Happy New Year and God Bless YOU!

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! 

SHERWOOD Major Pump Repair Kit for Sherwood Pump G-908 SHERWOOD Major Pump Repair Kit for Sherwood Pump G-908
12%
$175.00 $199.85
SHERWOOD Major Pump Repair Kit for Sherwood Pump G-908 Water Pump Major Repair Kit For Sherwood G-908 raw water pump NOTE: The Sherwood G-908 pump...
Raw Water Pump Crusader PCM Crank Driven GM P-105 Sherwood RA057026
21%
$499.00 $633.39
CRUSADER PCM - SEAMAXX - SHERWOOD P-105 - RA057026 Late 90's Up To 2004 Not for 8.1L engine but Works great for the 8.2L engine!...
Mercruiser 8mm Ignition Wire Set MEG-102 MEGA-MAG
18%
$69.58 $84.86
Mercruiser 8mm Ignition Wire Set MEG-102 MEGA-MAG  FOR GM MERC T-BOLT ELECTRONIC IGNITON PREMIUM SSC WIRE SET LIFETIME WARRANTY, BLUE Blue Premium SSC Wire Set...
Spark Plug Set Of 8 NGK-3623
12%
$44.00 $49.92
NGK-3623 Spark Plug Set Includes 8 Plugs NGK spark plug Part number BPR6EFS Stock number 3623 14mm x 1.25mm thread 19.0mm thread length Projecting insulator type...
Spark Plug Set 302 -351 18MM Autolite - Set Of 8  PCM RP030001 Spark Plug Set 302 -351 18MM Autolite - Set Of 8  PCM RP030001
13%
$39.97 $45.92
Note: Original PCM Spark Plug Set is NLA This is the NGK Equivalent  Includes 8 Plugs Ford 351 & 302 Engines 1971-1974 YEARS 1971 through 1974 Recommended...
MEGA-MAG CUSTOM WIRE SET SPARK PLUG AND COIL BIG BLOCK BLUE COLOR UIW-110
36%
$94.00 $145.76
MEGA-MAG CUSTOM WIRE SET SPARK PLUG AND COIL BIG BLOCK BLUE COLOR MEGA-MAG - UIW-110 V8 marine spark plug wire set For GM and Ford...
Ignition Kit Pertronix Ignitor II For Prestolite Distributors OEM ECM's PNX-91589 Ignition Kit Pertronix Ignitor II For Prestolite Distributors OEM ECM's PNX-91589
9%
$216.00 $238.10
IGNITION KIT PERTRONIX IGNITOR II PXN-91589 Use For: Prestolite Distributors with original equipment Electronic Conversion Module Pertronix - PNX-91589 Pertronix OEM Part 1589 Pertronix recommends...
Conversion Kit Pertronix Igniter II Prestolite Screw Down Cap PNX-91582
8%
Sold Out
Pertronix "Ignitor II" Electronic Ignition Conversion Kit 91582 1987 and up Prestolite screw down cap distributors - 2 screws only with no clips Kit uses...
Spark Plug Set PCM - Indmar - 8.1L - 6.0L Set Of 8 AC Delco 41-983 Replaces RP030009 Spark Plug Set PCM - Indmar - 8.1L - 6.0L Set Of 8 AC Delco 41-983 Replaces RP030009
9%
$105.00 $115.36
AC Delco Brand  AC41-983 8.1L Spark Plug Set MPI Indmar & PCM ACD-41-983 Replaces PCM-RP030009 & RP030011 Includes 8 Plugs 8.1L & MP 6.0L  Replaces Crusader...
Spark Plug Set PCM - Indmar 8.1L - 6.0L Set Of 8 NGK-7862 Laser Platinum Replaces RP030009
5%
$109.75 $115.92
NGK-7862 Laser Platinum 8.1L Spark Plug Set PZTR5A Replaces PCM-RP030009 & RP030011 Includes 8 Plugs 8.1L & MP 6.0L 14mm thread size 18mm thread length Resistor Tapered seat...
Wire Set Spark Plug And Coil Set 454 Left Hand - 7MM PCM OEM RA121022 Replaces RA121020
19%
$45.01 $55.24
Original Crusader 7mm ignition wire set with coil wire Fits Crusader marine engines with Prestolite & Mallory marine distributors RA121020 PART NUMBER HAS BEEN REPLACED...
Rotor Delco EST Distributor V8 Rotor Sierra 18-5405 Used With Distributor Cap 18-5354
16%
$13.45 $15.99
Sierra Rotor fits GM V8 marine engines with Delco EST HEI module-in-cap distributors Replaces Mercury 808484, 808484 1, 898253010, 8M6001253 Replaces Crusader 38071, R103008 Replaces...
Original Mercury - 84-816608Q68 Wire Set Including Coil Wire
14%
$84.14 $98.17
Original Mercury - 84-816608Q68 Wire Set Including Coil Wire Quicksilver Wire Set Replaces Mercury 84-816608A68 Replaces Crusader 98070 Replaces Marine Power 470511 Replaces United Ignition...
Tune Up Kit Thunderbolt HEI V6 Complete Tune Up Kit
40%
$33.46 $55.99
Tune-up kit includes cap and rotor fits Mercruiser V6 marine engines with Thunderbolt distributors. For Mercruiser V6 HEI Thunderbolt ignitions Includes 18-5396 distributor cap and...
Tune Up Kit Thunderbolt HEI V8 Complete Tune Up Kit
20%
$41.50 $51.79
Tune-up kit includes cap and rotor fits Mercruiser V8 marine engines with Thunderbolt distributors. For Mercruiser V8 HEI Thunderbolt ignitions Includes 18-5395 distributor cap and...
Tune Up Kit Kercruiser Thunderbolt Ignition Cap Rotor Gasket Kit Tune Up Kit Kercruiser Thunderbolt Ignition Cap Rotor Gasket Kit
11%
$29.95 $33.75
Mercruiser Thunderbolt Ignitions - Cap, Rotor & Gasket Can be used to replace the newer style rotor without the metal base You will have to...
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