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Boating > Maintenance > Winterizing >

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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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
Lucas Oil Fuel Stabilizer, 15-oz.

New! Lucas Oil Fuel Stabilizer, 15-oz.

Key Features
  • Prevents gasoline breakdown during storage

  • Safe for all grades of gasoline

  • Works in all 2- and 4-cycle engines

  • Application rate: 1 oz. to treat 1 gallon

$7.99
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
Kasco Universal Dock Mount

Kasco Universal Dock Mount

Key Features
$219.99
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
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
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
Star brite Instant Hull Cleaner, 32 oz.

Star brite Instant Hull Cleaner, 32 oz.

Key Features
  • Instantly removes stains from marine growth

  • Biodegradable formula safely cleans

$19.99
$17.99
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
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
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
$13.49
Oil Drain Kit - 1/2" x 20 Thread Size

Oil Drain Kit - 1/2" x 20 Thread Size

Key Features
  • Oil and fuel-resistant SAE J1527, USCG Type B1 hos

  • Brass end fittings and copper sealing washers

  • Each drain kit measures 42" in length

  • Designed for permanent installation

$34.99
$29.74
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
$17.99
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
$17.99
TRAC Fluid Extractor Hand Pump

TRAC Fluid Extractor Hand Pump

Key Features
  • Great for oil changes

  • Pumps fluids into your own container

  • Includes hoses and adapters

$24.99
$22.49
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
$20.89
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
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

  • Locks over wheel studs up to .56" (14mm) dia.

$9.99
$8.49
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
Vinyl-Coated Hitch Cables, pair

Vinyl-Coated Hitch Cables, pair

Key Features
  • Vinyl-coated cables

  • 36" long with spring-loaded S-hooks

2 models to choose from
$15.29 - $24.99
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
Trimax Coupler Latch Lock

Trimax Coupler Latch Lock

Key Features
  • 7/8" span

  • Rubber bumper prevents rattles

$9.99
$8.99
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
$15.99
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
Wonder Pump

Wonder Pump

Key Features
  • Safely transfer fuel or liquids

  • Self-priming

  • Pumps up to 3-1/2 gallons per minute

$12.99
$11.04
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, 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
Trimax Universal Unattended Coupler Lock

Trimax Universal Unattended Coupler Lock

Key Features
  • Fits all couplers

  • Includes two 6-tooth keys

$44.99
$35.99
Master Lock Keyed-Alike Trailer Lock Set

Master Lock Keyed-Alike Trailer Lock Set

Key Features
  • Weather Tough seal resists corrosion

  • Coupler lock for unattended trailers

  • Coupler latch lock to secure coupler to ball

  • Swivel Head receiver lock for 5/8" and 1/2"

  • Comes in durable canvas storage bag

$59.99
$53.99
Oil Drain Kit - 12mm x 1.75 Thread Size

Oil Drain Kit - 12mm x 1.75 Thread Size

Key Features
  • Oil and fuel-resistant SAE J1527, USCG Type B1 hos

  • Brass end fittings and copper sealing washers

  • Each drain kit measures 42" in length

  • Designed for permanent installation

$34.99
$29.74
Coupler Safety Pin

Coupler Safety Pin

Key Features
  • 1-3/4" usable length

  • 1/4" dia.

$7.99
$5.99

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