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! 

Volvo Penta 3851219 12 oz. SX Silver Touch Up Spray Paint
14%
$30.95 $35.99
Volvo Penta 3851219 12 oz. SX Silver Touch Up Spray Paint Volvo Penta 3851219 12 oz. SX Silver Touch Up Spray Paint Factory matched  For...
Oil Filter For All GM Engines Original PCM R077002 Oil Filter For All GM Engines Original PCM R077002
11%
$16.00 $17.95
ORIGINAL PCM OIL FILTER ALL GM ENGINES 5.7 - 350 - 7.4 - 454 - 8.1 - 502 Replaces Sierra 18-7824-2 Replaces Fram PH30 This...
Rudder Box Assembly Ski Boat - RBST1.00-SLOT-BRG Rudder Box Assembly Ski Boat - RBST1.00-SLOT-BRG
23%
$525.00 $678.34
Rudder BOX Assembly RPTNSLOTRBSTASSY FOR MARINE HARDWARE 1" RUDDER SHAFTS ONLY RBST1.00-SLOT-BRG 4" X 4" Plate with 3/8" holes; slotted for easier installation! If you only...
Cap For Drive Oil Reservoir Cap Quicksilver® Fits Bottle Assembly 8M0075709 Cap For Drive Oil Reservoir Cap Quicksilver® Fits Bottle Assembly 8M0075709
30%
$10.49 $14.99
CAP For Drive Lube Oil Reservoir For Mercury & Mercruiser FITS BOTTLE ASSEMBLY PART# 8M0075709 Replaces Mercury 36-80825  WARNING- This product can expose you to chemicals...
Hose Barb 1-1/4 Inch 90 Degree For Strainers
22%
$10.00 $12.89
90 Degree Elbow Fitting Nylon Fitting  for Strainers - 1-1/4" In & Out 1-1/4" Outside Diameter Barb x 1-1/4" NPT MMD Powerline Fitting
Sea Strainer Screen Replacement Sherwood Fits 1 Inch Strainer SHER-11807
8%
$33.95 $36.79
Fits 1" Sherwood Sea Water Strainers Replacement 20 mesh stainless steel screen for Sherwood 1 in. NPT marine raw water strainers. Sherwood 1 in. water...
Sea Strainer O-Ring & Full Service Kit Marine Hardware 3/4  And 1 Inch SEASKIT-0.75-1.0
18%
$41.00 $49.74
Service Kit for your 3/4 or 1" Marine Hardware Sea Strainer Comes as pictured with 8 stainless steel bolts, 2 O-Rings, 2 Stainless Steel lock washers and the...
Hose Barb 1 Inch Straight For Strainers
50%
$1.49 $2.99
Straight Barb Fitting Nylon Fitting  for Strainers 1" Outside Diameter Barb x 1" NPT MMD Powerline Fitting For the OEM Brass 1" Straight Hose Barbs from Marine...
DRAIN HOSE OIL PAN DRAIN HOSE NEW STYLE WITH BANJO BOLT INCLUDES HOSE OEM INDMAR 51-1006A
16%
$62.00 $73.58
Oil Pan Drain Hose Kit - NEW STYLE WITH ADJUSTABLE BOLT Indmar Original Oil Pan Drain Hose Kit Original Indmar - NOTE: Threads are Metric...
Anode Zinc 3/8" NPT Pencil Style Crusader Brand OEM# R168008 Anode Zinc 3/8" NPT Pencil Style Crusader Brand OEM# R168008
17%
$14.05 $16.99
Original Crusader R168008 Pencil Anode 3/8" NPT Zinc Pencil Anode 1 1/2 in. length 1/2 in. diameter 3/8 in. NPT thread size Replaces Crusader 10972...
QUICK CONNECT CONVERTER TELEFLEX SA27620P
15%
$19.99 $23.39
Teleflex Quick Connect Converter Teleflex SA27620P Quick Connect Converter For helms with threaded spigots. Seastar Solutions Quick Connect II Helm converter Fits older Teleflex steering...
Attwood Twist On Hose Flange For 3" Hose, Black Attwood Twist On Hose Flange For 3" Hose, Black
21%
$12.50 $15.79
 For 3" Hose, Black Blower Hose Flange For 3" I.D. hose. Resistant to gasoline, moisture and any form of marine rot. Installation hole diameter is...
Impeller Pump Repair Kit Quicksilver Brand QS-47-8M0137219
14%
$47.49 $55.49
OEM Mercruiser impeller service kit QS-47-8M0137219 Kit includes shorter heavy duty impeller, o-ring & overmolded inner front wear plate For use when front of seawater...
WIRE SET SPARK PLUG AND COIL PCM - GT40 EFI ORIGINAL PCM RK120015
3%
$73.80 $75.71
OEM PCM Spark Plug Wire Set For GT40 PCM OEM PART PCM 351 GT40 MPI EFI Original Equipment 8mm Silicone Shielding Marine Copper Core Complete Set, Includes...
Spark Plug Set GM Standard Engines 5.7L - 454 NGK-4323 Set Of 8 Plugs NGK BR6FS Spark Plug Set GM Standard Engines 5.7L - 454 NGK-4323 Set Of 8 Plugs NGK BR6FS
23%
$27.60 $35.84
NGK - 4323 Spark Plug Set BR6FS Includes 8 Plugs NGK-BR6FS Direct Cross To MR43T 260 - 270 HP Non Vortec - 454 Standard Fits...
Ignition Resistor Ford And GM For Ignition Coils Genuine Crusader R119001 Ignition Resistor Ford And GM For Ignition Coils Genuine Crusader R119001
12%
$53.00 $60.42
Crusader R119001 Ballast Resistor - OEM CRUSADER - PCM Ballast Resistor Genuine Crusader Replaces Chrysler 4106140 Replaces Pleasurecraft Marine R119001 Replaces Prestolite 32-20 Replaces Crusader...
Sea Strainer Sherwood Complete Assembly 1-1/4 Inch NPT SHER-18016
24%
$84.50 $110.78
1-1/4" Fits INDMAR FORD & GM, PCM GM, MERCRUISER GM Fitting barbs are sold separately - See links below Be sure to get your hose...
Rudder Box Backing Plate Only OEM BKPLSQSML-B
7%
$84.00 $90.66
Rudder BOX Backing Plate Only BKPLSQSML-B 4" X 4" Plate with 3/8" holes; slotted for easier installation! If you need the Complete Assembly - CLICK...
Sending Unit Oil Pressure <b>Dual Station</b>1/8-27 NPT  80 PSI  PCM R020006 Sierra® Brand OP24891
22%
$42.05 $53.95
Engine oil pressure sending unit sends signal from 1 engine to 2 separate 80 PSI oil pressure gauges. Sierra® Brand OP24891 Dual Oil Pressure Sending...
Distributor Cap & Rotor Kit HVS PCM & Indmar RP173098
17%
$106.55 $127.95
Original OEM PCM - Flat distributor cap And Rotor V8 marine engines with HVS ignition sytems Distributor Cap and rotor kit for PCM 5.7 and 5.0...
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