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! 

Mercruiser Engine Oil Drain Kit Marine Products International 308-0380
11%
$57.00 $64.07
MPI's oil drain kit allows you to quickly & easily drain Mercruiser inboard marine engines with a 12 x 1.75 mm thread oil pan drain...
Transmission Temp Switch 240 Degree With Lead OEM Indmar 88-5191
38%
$74.00 $119.99
Temperature switch Trans Temp Switch 240 with Lead Repalces Indmar 885190 240 Degrree Transmission Temperature Switch, 885191 This is a 240 degree temperature transmission switch...
Tune Up Kit - Delco HVS V8 Tri-Pak Tune-Up Kit United Marine UIW-1-217
29%
$147.85 $206.91
Delco HVS V8 Tri-Pak Tune-Up Kit Kit fits Mercruiser V8 engines with Delco HVS ignition systems Kit includes MEGA-MAG 8mm SSC silicone spark plug wire...
Control Cable 16 Feet 3300C TFXtreme OEM CCX63316
13%
$65.00 $74.98
Universal 3300/33C Control Cable - 16 Foot 16 ft. Universal Control Cable Can use existing connection components Stainless steel and brass fittings Cable has a...
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 Crosses to UIW-OD-155
Retainer For Water Seal Water Tube Grommet VOLVO-3854601
14%
$9.19 $10.65
Retainer For The Water Tube Grommet Lower Retainer To order the seal, click HERE for part number 3854595
Seal Water Tue Grommet VOLVO-3854595
14%
$6.45 $7.54
Water Tube Grommet Lower Seal Replaces OMC 3854595 WE RECOMMEND replacing your retainer also. Click HERE to order the retainer.
Wire Set Spark Plug Wire Set Crusader Delco EST High Performance UIW-126
8%
$79.26 $86.43
Crusader Delco EST Spark Plug Wire Set Nice Upgrade from the Indmar 75-6002 wires. Crusader small block Delco EST marine spark plug wire set GM...
BELT RAW WATER PUMP PCM 97178
8%
$72.05 $77.98
PCM - CRUSADER - 97178 Raw Water Pump Drive Belt
Belt PCM Serpentine GEN-5 H5 - H6 R066040 Belt PCM Serpentine GEN-5 H5 - H6 R066040
15%
$60.03 $70.64
PCM R066040 Serpentine engine belt PCM Item R066040 53 Inches Long OD PCM Alternator Serpentine For Pleasurecraft Marine 305 and 350 cu. in. engines Used on H5...
PCM Alternator V-Belt 5.7L & 454 Standard PCM Alternator V-Belt 5.7L & 454 Standard
18%
$14.32 $17.43
PCM Alternator V-Belt 5.7L & 454 Standard Single Belt Drive Through 1999 ts PCM Chevy 305/350 engines Belt is 1/2" wide 43-1/2" overall length 3/8" height of...
Adapter For Oil Sender All GM Engines Original PCM R024059 Adapter For Oil Sender All GM Engines Original PCM R024059
43%
$2.90 $5.07
Oil Sender Adapter for ALL GM Engines - Original PCM Item R024059 1/8" NPT female to 1/8" NPT male adapter Extends the oil sender out...
Switch Ignition Key Switch 3 Position Terminal Off-Run-Start
21%
$22.20 $27.99
Conventional Off, Run & Start 7/8" Mounting Hole Fits Correct Craft thru 1997 GENERAL MOISTURE-PROOF IGNITION STARTER SWITCH Three terminals, 3 positions Returns automatically from...
FLUSH KIT DO IT YOURSELF FLUSHING-WINTERIZING KIT QUICK-EASY BY STAR BRITE© FLUSH KIT DO IT YOURSELF FLUSHING-WINTERIZING KIT QUICK-EASY BY STAR BRITE©
21%
$67.90 $85.91
Simple way to winterize marine outboard and inboard engines by flushing and filling engine cooling system with antifreeze. Star Brite Do-It-Yourself winterizing kit Quickly and...
90 Degree Barb Fitting for Marine Hardware Srainers - BRASS FITTING
4%
$32.50 $34.00
90 Degree Barb Fitting for Marine Hardware & Sherwood Srainers - BRASS FITTING Groco PTHC-1250 Pipe to Hose Adapter1-1/4" Outside Diameter Barb x 1-1/4" NPT 1 1/4...
Clear Coat Lacquer MO-025519
14%
$15.75 $18.28
Use Moeller 's clear coat lacquer to add high gloss luster to finished paint projects. Moeller 12 oz. clear coat spray lacquer Fortifies resistance to...
12 Oz. Johnson Evinrude Light Blue Metallic Spray Paint MO-025454
13%
$18.27 $20.98
This product is out of stock with no good ETA. We hope to have more as soon as possible! Moeller 025454 12 oz. Johnson Evinrude...
1 Gallon Neutra-Salt Neutralizing Agent VOLVO-21687796
7%
$64.48 $68.98
Volvo Penta Neutra Salt is used as a washdown rinse or engine flushing concentrate to prevent rust & corrosion from saltwater exposure. Volvo Penta Neutra-Salt...
Gallon TC-W3 2-Stroke Outboard Oil Yamaha LUB-2STRK-M1-04
41%
$49.77 $84.72
Original Yamaha 2-stroke semi-synthetic oil helps protect against ring stick, corrosion, & wear in water-cooled 2 cycle outboard marine engines. Yamaha Yamalube 2M outboard engine...
Pleasurecraft Marine Raw Water Pump Sherwood G21 SHER-G21
11%
$799.00 $895.98
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....
REPLACEMENT RUDDER ASSEMBLY FOR TOURNAMENT SKI BOATS
12%
$1,089.48 $1,238.05
REPLACEMENT RUDDER ASSEMBLY FOR TOURNAMENT SKI BOATS Marine Hardware rudders are cast and machined in the USA The tiller arm is double keyed for left...
Support Tube Steering Clamp Block Aluminum OEM SA27274P
16%
$35.00 $41.65
Steering Support Tube - Outboard steering cable aluminum support tube Corrosion resistant aluminum construction for freshwater applications
CLEVIS KIT LINK ARM FOR STEERING CABLE UFLEX UFLA75
22%
$49.05 $63.29
Clevis Kit Link Arm for Steering Cable Sometimes Needed For End Of Cable To Tiller Arm Connection, Provides More Movement 1976 Older Nautique with OEM...
BILGE PUMP 800 GPH RULE-MATE AUTOMATIC BILGE PUMP 12V RM800B BILGE PUMP 800 GPH RULE-MATE AUTOMATIC BILGE PUMP 12V RM800B
30%
$115.00 $164.38
800 GPH Rule-Mate Automatic Bilge Pump, 12V | Rule RM800B 800 GPH Rule-Mate Automatic Bilge Pump 12 Volt DC Operation Amp draw: 3 amp Recommended...
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