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! 

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...
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 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...
Ignition Coil Assembly HVS With Module - OEM Indmar 75-6343
9%
$234.61 $258.32
Ignition coil assembly with module. Used in Indmar 5.7 Liter GM engine applications with HVS (high voltage switch) ignition. OEM INDMAR Replaces PCM RA117011 -...
Switch Ignition 4 Position Terminal - Accessory-Off-Run-Start
22%
$26.00 $33.40
Ignition Switch Accessory, Off, Run & Start 7/8" Mounting Hole Fits Correct Craft 1998 and up Will not fit newer boats with the plug in...
Sea Strainer O-Ring & Full Service Kit Marine Hardware 1.25" And 1.5" SEASKIT-1.25-1.5
15%
$39.05 $46.00
Service Kit for your 1-1/4" or  1-1/2" Marine Hardware Sea Strainer Comes as pictured with 8 stainless steel bolts, 2 O-Rings, 2 Stainless Steel lock washers and...
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...
Pleasurecraft Marine Raw Water Pump Sherwood G21 SHER-G21
21%
$895.00 $1,140.01
Belt driven seawater pump for cooling PCM Ford small block marine engines.  PCM OEM SHERWOOD G-21 COMPLETE PUMP! ALL PCM FORDS MID 70'S AND UP....
Anode Zinc 1/4" NPT Pencil Style Martyr
18%
$8.99 $11.00
Replaces Crusader R168005 Pencil Anode Martyr 1/4" NPT Zinc Pencil Anode 1 3/4" Length 1/4" NPT Threads: 5/16-18 UNC Replaces Crusader 10335 Replaces Chrysler 3527906 Replaces...
500 GPH Rule-Mate Automatic Bilge Pump, 12V Rule RM500B 500 GPH Rule-Mate Automatic Bilge Pump, 12V Rule RM500B
7%
$82.00 $88.39
500 GPH Rule-Mate Automatic Bilge Pump, 12V Rule RM500B 500 GPH Rule-Mate Automatic Bilge Pump 12 Volt DC Operation Amp draw: 1.8 Recommended Fuse Size:...
O-Ring For Johnson Raw Water Pumps - Internal OEM 35729B DANCO O-Ring For Johnson Raw Water Pumps - Internal OEM 35729B DANCO
25%
$2.99 $3.99
DANCO INTERNAL O-RING FOR JOHNSON CRANK DRIVE RAW WATER PUMPS Exterior Diameter: 0.81 in. Interior Diameter: 0.62 in. Material: Rubber Number in Package: 1 pk...
O-Ring Sherwood Raw Water Pumps OEM R047111 PCM Original
10%
$6.95 $7.73
This is an original OEM PCM O-Ring FOR SHERWOOD RAW WATER PUMP - Not the Seawater Strainer. For the Seawater Strainer O-Ring is ITEM 11805 CLICK...
Impeller Indmar 302 Raw Water Pump OEM JP-09-1027B-1 Impeller Indmar 302 Raw Water Pump OEM JP-09-1027B-1
16%
$47.00 $56.18
Comes WITH all gaskets and O-Ring! Impeller for 302 Pump OEM JOH09-1027B-1 Replaces Jabsco 1210-0001 Replaces Volvo 21951346 Fits Johnson Pump 10-24228-1 Also was used...
RAW WATER PUMP INDMAR CRANKSHAFT DRIVEN HIGH FLOW INDMAR# 685020-3 RAW WATER PUMP INDMAR CRANKSHAFT DRIVEN HIGH FLOW INDMAR# 685020-3
15%
$330.00 $386.99
ORIGINAL INDMAR PUMP for INDMAR 5.7L - 3 Holes In Flange OEM crankshaft mounted engine cooling pump used on 5.7L Indmar LTR & LT1 model marine...
Wire Set V8 Small Block United Ignition Wire 109
19%
$72.00 $88.98
Delco 8mm Ignition Wire Set Fits All GM or Ford 8 cylinder small block marine engines with Mallory or Prestolite top terminal distributors V8 marine...
Rotor Mallory YL Series OEM Mallory Rotor MAA-309
13%
$18.75 $21.59
Original Equipment Mallory Rotor with copper tip fits YL Marine Series V8 engines This item is usually used on electronic distributors, but will also work...
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