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Boating > Maintenance > Winterizing >

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Boat cleaners, wax, marine paint, oil, lubricants, filters, and boat repair manuals Gander Mountain has everything it takes to maintain your boat. Whether you are winterizing your boat or getting it ready for boating season, we have it all. Our top brands include Awlgrip, Quicksilver, Star Brite, Seloc and more. Do your boat maintenance shopping here!

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Trimax TCL65 Trailer Wheel Chock Lock

Trimax TCL65 Trailer Wheel Chock Lock

Key Features
  • Security for unattended trailers and cars

  • Strong pick-resistant lock

$69.99
$64.99
Trailer Valet Tow Dolly / Trailer Jack

Trailer Valet Tow Dolly / Trailer Jack

Key Features
  • Simple operation reduces frustrating maneuvers

  • Moves trailer 90 without moving it forward

  • Steering lever for easy navigation

  • Top crank makes it easy to raise and lower

  • Moves trailers up to 5,000 lbs.

$359.99
$339.99
SOL-R Action Great Horned Owl

SOL-R Action Great Horned Owl

Key Features
  • Timed, natural, solar-powered movement

  • Solar cell mounted on head

  • No batteries needed

  • Hand painted

  • 18" Tall

$44.99
Great Horned Owl With Moving Head

Great Horned Owl With Moving Head

Key Features
  • Life-sized and lifelike

  • Head bobs and turns in gentle breezes

  • Hand-painted

  • 18" high

$26.99
Quicksilver High-Performance Gear Lube, quart

Quicksilver High-Performance Gear Lube, quart

Key Features
  • Protects gears from water

  • Improves oil film adhesion

  • Protects from excessive wear

  • Great for outboard motors

$14.99
STA-BIL 360 Marine Ethanol Fuel Treatment, 32 oz.

STA-BIL 360 Marine Ethanol Fuel Treatment, 32 oz.

Key Features
  • Enhances water remvoal

  • Cleans fuel system

  • Prevents ethanol damage

  • 32 oz. bottle treats up to 320 gal.

  • For use in 2 and 4-cycle engines

$29.99
$25.49
Master Lock Spare Trailer Tire Lug Nut Lock

Master Lock Spare Trailer Tire Lug Nut Lock

Key Features
  • Secures spare tires to vehicles, boats, or trailer

  • Made with a chrome-plated die-cast zinc body

  • Weather-resistant

$9.99
Star Tron Fuel Tank Cleaner, 64 oz.

Star Tron Fuel Tank Cleaner, 64 oz.

Key Features
  • Cleans fuel contaminants

  • Safely removes water from fuel

  • Helps cure ethanol problems

  • Treats 250 gallons

$34.99
$31.49
Trimax Coupler Latch Lock

Trimax Coupler Latch Lock

Key Features
  • 7/8" span

  • Rubber bumper prevents rattles

$9.99
Bilge Cleaner, 64 oz.

Bilge Cleaner, 64 oz.

Key Features
  • Dissolves oil, grease, gasoline, diesel fuel, etc.

  • Effortlessly removes tough odor-causing elements

  • Can be used on fiberglass, wood, and metal boats

  • Requires no scrubbing

$14.99
McGard Trailer Wheel Lock Lug Nut, 4 locks for dual axle trailers

McGard Trailer Wheel Lock Lug Nut, 4 locks for dual axle trailers...

Key Features
  • Best protection against theft for boat trailers

  • Replace one of the lug nuts with McGard wheel lock

  • Made from high quality, through-hardened steel

  • Triple-nickel chrome plating

  • Guaranteed not to rust, chip, or peel

$24.99
McGard Trailer Wheel Lock Lug Nut, 2 locks for single axle trailer

McGard Trailer Wheel Lock Lug Nut, 2 locks for single axle ...

Key Features
  • Provides protection against theft for boat trailer

  • High quality, through-hardened steel

  • Triple-nickel chrome plating

  • Guaranteed not to rust, chip, or peel

$19.99
3M Marine Restorer And Wax, 16 oz.

3M Marine Restorer And Wax, 16 oz.

Key Features
  • Provides high wax

  • Removes oxidation, chalking, water spots, more

  • Ideal for fiberglass/gelcoat and marine paints

  • Slows damage from UV rays

  • 16 oz.

$21.99
Dual Flow Pro Motor Flusher

Dual Flow Pro Motor Flusher

Key Features
  • Dual flow provides water to lower unit

  • Quick-flushing unit

  • Fits standard outboards I/Os w/ side inlet vent

  • No tools required

$19.99
Dry Wave Air Dryer

Dry Wave Air Dryer

Key Features
  • Prevents mold/mildew formation in boat or RV

  • Inhibits surface moisture

  • Energy-efficient 110V AC device

  • For spaces up to 1,000 cu. ft.

$79.99
$69.99
Repel-A-Bird

Repel-A-Bird

Key Features
  • Spider-like bird deterrent

  • 12 stainless steel arms cover a wide space

  • Mounts easily in most areas where its needed

3 models to choose from
$39.99 - $59.99
$34.99 - $49.99
CRC Gas Fuel Stabilizer, 8 oz.

CRC Gas Fuel Stabilizer, 8 oz.

Key Features
  • Keep gas fresh during storage times

  • Provides optimum performance year-round

  • Protects against gum and resin buildup

  • For 2 and 4-cycle engines

$7.99
$5.69
Bilge Cleaner, 22 oz.

Bilge Cleaner, 22 oz.

Key Features
  • Effortlessly remove tough odor-causing elements

  • Can be used on fiberglass, wood, and metal

  • Requires no scrubbing

$9.99
Trimax Universal Unattended Coupler Lock

Trimax Universal Unattended Coupler Lock

Key Features
  • Fits all couplers

  • Includes two 6-tooth keys

$44.99
$39.99
STA-BIL 360 Marine Ethanol Fuel Treatment, 8 oz.

STA-BIL 360 Marine Ethanol Fuel Treatment, 8 oz.

Key Features
  • Enhances water remvoal

  • Cleans fuel system

  • Prevents ethanol damage

  • 8 oz. bottle treats up to 80 gal.

  • For use in 2 and 4-cycle engines

$10.99
$9.34
Star Tron Fuel Treatment, 8 oz.

Star Tron Fuel Treatment, 8 oz.

Key Features
  • Increases the fuel economy of your vehicle

  • Reduces all harmful emissions

  • One fluid ounce treats 16 gallons

$12.99
$11.69
Repel-A-Bird Bag Mounting Base

Repel-A-Bird Bag Mounting Base

Key Features
  • Use with any size Repel-a-Bird

$29.99
Star brite Premium 2-Cycle Engine Oil TC-W3 - (Gallon)

Star brite Premium 2-Cycle Engine Oil TC-W3 - (Gallon)

Key Features
  • Minimizes piston ring sticking

  • Protects against pre-ignition problems

  • Clean burning and environmentally friendly

$29.99
$23.74
STA-BIL Fuel Stabilizer, 8 oz.

STA-BIL Fuel Stabilizer, 8 oz.

Key Features
  • Quick, easy starts even after storage

  • Cleans carburetors and fuel injectors

  • Protects engine from gum, varnish, rust, corrosion

  • 8-oz. bottle treats up to 20 gallons

$7.99
$6.79
Smith Folding Wheel Chocks, Pair

Smith Folding Wheel Chocks, Pair

Key Features
  • Strong, heavy-gauge metal chocks

  • Fold to 1-1/4" flat for easy storage

  • Set up in seconds to 5"W x 6"L x 4"H

$19.99
Damp Check Dome Moisture Absorber

Damp Check Dome Moisture Absorber

Key Features
  • Stops mildew, mold, and musty odors

  • Reduces moisture in the air

  • Absorbs more excess moisture than flakes

$12.99
STA-BIL Fuel Stabilizer, 32 oz.

STA-BIL Fuel Stabilizer, 32 oz.

Key Features
  • Quick, easy starts even after storage

  • Cleans carburetors and fuel injectors

  • Protects engine from gum, varnish, rust, corrosion

  • 32-oz. bottle treats up to 80 gallons

$19.99
$16.99
Caframo True North Deluxe AC Electric Heater

Caframo True North Deluxe AC Electric Heater

Key Features
  • 3 settings to customize your heat output

  • 600, 900, or 1500 Watt output

  • Heavy-duty steel construction

  • Anti-freeze setting

  • 5-year warranty

$89.99
STA-BIL Fuel Stabilizer, 16 oz.

STA-BIL Fuel Stabilizer, 16 oz.

Key Features
  • Quick, easy starts even after storage

  • Cleans carburetors and fuel injectors

  • Protects engine from gum, varnish, rust, corrosion

  • 16-oz. bottle treats up to 40 gallons

$11.99
$10.19
Do-It-Yourself Boat Winterizer

Do-It-Yourself Boat Winterizer

Key Features
  • Gravity fed system

  • Easy to operate

  • Saves time and money

$49.99
$44.99
CRC Marine Engine Stor Fogging Oil, Gallon

CRC Marine Engine Stor Fogging Oil, Gallon

Key Features
  • Protects outboard motors and other engines

  • Keeps pistons, rings, and cylinders corrosion-free

  • Ensures longer engine life

  • Also protects electrical connections

$47.99
$44.99
Fiberglass Bottomkote Act, Quart

Fiberglass Bottomkote Act, Quart

Key Features
  • Overcoats existing antifouling paints

  • No more paint build-up or sanding

2 colors available
$49.99

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