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Showing 1 - 34 of 36 Results

Fuel Doctor

Fuel Conditioner - 1 Litre

$39.99 ^{^} $49.99 ^{^}

(497)

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Gulf Western

Gulf Western Outboard Oil - 2 Stroke, 4 Litre

$41.59 ^{^} $51.99 ^{^}

(108)

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Gulf Western

Gulf Western Marine Gear Oil Full Synthetic 75W-90 1 Litre

$17.59 ^{^} $21.99 ^{^}

(15)

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Gulf Western

Gulf Western Power Trim and Steering Fluid 1 Litre

$14.39 ^{^} $17.99 ^{^}

(17)

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Gulf Western

Gulf Western 2 Stroke Outboard Oil - 1 Litre

$18.39 ^{^} $22.99 ^{^}

(37)

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Septone

Septone Ali Brite Aluminium Cleaner 1 Litre

$31.99 ^{^}

(112)

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Penrite

Penrite Marine Grease 450g

$27.99 ^{^}

(15)

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EARLY

BLACK FRIDAY
SUPER SALE

CATALOGUE OUT NOW

Sale Ends Sunday
23rd November 2025
Septone

Septone Boat & Van Polish & Protect 500mL

$27.99 ^{^}

(74)

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Septone

Septone® Fibreglass Repair Kit

$64.99 ^{^}

(56)

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Coverall

CoverALL+ Boat Cover Silver Protection, Water Resistant - Suits most 14-16ft Boats

$76.99 ^{^}

(21)

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Septone

Septone Boat & Van Cut & Prepare Fibreglass Polish - 500g

$27.99 ^{^}

(65)

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Fuel Doctor

Fuel Doctor Fuel Conditioner - 250ml

$23.99 ^{^}

(179)

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Coverall

CoverALL+ Boat Cover Silver Protection, Water Resistant - Suits most 12-14ft Boats

$69.99 ^{^}

(20)

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Septone

Septone® Glass Fibre Filler - 500g

$44.99 ^{^}

(37)

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EARLY

BLACK FRIDAY
SUPER SALE

CATALOGUE OUT NOW

Sale Ends Sunday
23rd November 2025
CRC

Marine 556 Lubricant 420mL

$19.99 ^{^}

(14)

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Century

Century Marine Pro Battery NS70M MF 680CCA

$359.99 ^{^}

(9)

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Century

Century Marine Pro Battery D23RM MF 580CCA

$329.00 ^{^}

(4)

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Clearance

Sierra

Sierra Outboard Oil Filter - S-18-7915-1

Now $3.00 ^{^} Was $5.00 ^{^} on 27/09/25

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Clearance

Valvoline

Valvoline Marine 2 Stroke Outboard Engine Oil 1 Litre

Now $19.00 ^{^} Was $27.99 ^{^} on 04/10/25

(11)

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Nulon

Nulon Grease Cartridge 4WD & Marine 450g

Now $19.00 ^{^} Was $27.99 ^{^} on 08/11/25

(18)

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Clearance

Nulon

Nulon Grease Cartridge Industrial General Purpose 450g

Now $14.00 ^{^} Was $20.99 ^{^} on 08/11/25

(15)

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Clearance

Nulon

Nulon Grease Tub Wheel Bearing Hi Temp 500g

Now $12.00 ^{^} Was $20.99 ^{^} on 08/11/25

(36)

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Clearance

Valvoline

Valvoline 2 Stroke Outboard Engine Oil 4 Litre

Now $46.00 ^{^} Was $79.99 ^{^} on 18/10/25

(129)

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Clearance

Valvoline

Valvoline Outboard Gear Oil - 500mL

Now $21.00 ^{^} Was $27.99 ^{^} on 04/10/25

(13)

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Nulon

Nulon Grease Cartridge Wheel Bearing Hi Temp 450g

Now $14.00 ^{^} Was $20.99 ^{^} on 08/11/25

(8)

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Clearance

Sierra

Sierra Outboard Oil Filter - S-18-7903

Now $3.00 ^{^} Was $5.00 ^{^} on 27/09/25

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Narva

Narva Waterproof Switch Panel - 4 Gang On/Off, 63198BL

Now $25.00 ^{^} Was $55.99 ^{^} on 25/10/25

(8)

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Clearance

Sierra

Sierra Fuel Filter Element - S-18-7979

Now $3.00 ^{^} Was $5.00 ^{^} on 27/09/25

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Clearance

Martyr Anodes

Martyr Alloy Anode - Round Plate, CM9-25A

Now $3.00 ^{^} Was $5.00 ^{^} on 27/09/25

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Clearance

303 Marine

303 Marine Surface Cleaner 946mL

$19.00 ^{^}

(6)

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Clearance

Valvoline

Valvoline Four Stroke High Performance Outboard Oil - 4 Litre

$35.00 ^{^}

(5)

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Clearance

303 Marine

303 Marine Speed Detailer 946mL

$19.00 ^{^}

(14)

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Clearance

Sierra

Sierra 10 Micron Replacement Filter Element - S-18-7947

$5.00 ^{^}

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Clearance

Sierra

Sierra Outboard Oil Filter - S-18-7896

Now $3.00 ^{^} Was $5.00 ^{^} on 27/09/25

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Showing 1 - 34 of 36 Results

Maintain & Protect With Our SUPER Range of Marine Supplies

At Supercheap Auto, we understand the importance of having dependable marine parts to keep your watercraft running smoothly. Whether you're maintaining a small boat or a larger vessel, our range of marine products ensures you have what you need to enjoy your time on the water without any hassles. Explore our collection of high-quality marine supplies, designed to meet the demands of marine environments.

Explore our comprehensive range of marine supplies

From marine batteries and boat covers to marine lights and oils, Supercheap Auto offers a wide range of marine products to suit every boater's needs. Our marine range is designed to provide durability and reliability when tackling harsh marine conditions, ensuring your vessel remains in top-notch condition. Whether for professional use or casual boating adventures, our marine products are sourced from trusted brands with superior quality.

Maintain and protect your vessel with our marine products

Regular maintenance is key to keeping your boat in excellent condition. Our range of marine products help protect your vessel from the harsh marine environment. From marine oils and filters to keep your engine running smoothly, to boat covers and cleaning supplies for keeping your vessel at its best, we’ve got you covered. At Supercheap Auto, we have everything you need to maintain your boat's appearance whilst preventing wear and corrosion, ensuring your boat is always ready for your next adventure.

Functional equipment and marine parts for your vessel

Keeping your vessel functional and performing at its best means investing in durable, high-performance equipment and parts. For dependable power, we offer a range of marine batteries, including deep cycle batteries for long-lasting power and cranking batteries for reliable starts. We also offer marine lights, such as navigation and deck lights, ensuring visibility and safety during night-time or low-light conditions. Additionally, you’ll also find marine parts, such as engine components and electrical parts, to save you from unexpected breakdowns and issues, so you can navigate the waters worry-free.

Shop marine supplies at Supercheap Auto

Not sure which marine products or accessories you need? Simply visit your local Supercheap Auto store, and our knowledgeable team will be happy to provide advice on the best marine products for your vessel and requirements. At Supercheap Auto, we’re committed to ensuring that your vessel is back on the water in no time.

Frequently Asked Questions - Marine Supplies

What is best practice for storing my boat during the off-season?

Properly storing your boat when it is not in use is the best way to keep your vessel in peak condition. We strongly advise cleaning and drying the boat thoroughly, removing the battery and storing it in a cool, dry place, and covering your boat with a quality boat cover.

What is the benefit of using marine-specific oils and filters?

Marine-specific oils and filters are formulated to handle the unique demands of marine environments, such as high humidity and saltwater exposure. This means that these can specifically help prevent engine corrosion, reduce wear, and ensure optimal performance.

How do I maintain my boat's exterior?

Regularly cleaning your boat with marine-specific cleaning products can help to remove salt and grime, minimising long-term maintenance costs. Using marine detailing products can also help maintain your boat's appearance. Plus, you can use quality boat covers to protect your vessel against UV damage and harsh weather conditions.

Marine Range

Shop Marine

Fuel Doctor

Gulf Western

Gulf Western

Gulf Western

Gulf Western

Septone

Penrite

Septone

Septone

Coverall

Septone

Fuel Doctor

Coverall

Septone

CRC

Century

Century

Sierra

Valvoline

Nulon

Nulon

Nulon

Valvoline

Valvoline

Nulon

Sierra

Narva

Sierra

Martyr Anodes

303 Marine

Valvoline

303 Marine

Sierra

Sierra

Maintain & Protect With Our SUPER Range of Marine Supplies

Maintain & Protect With Our SUPER Range of Marine Supplies

Explore our comprehensive range of marine supplies

Maintain and protect your vessel with our marine products

Functional equipment and marine parts for your vessel

Shop marine supplies at Supercheap Auto

Frequently Asked Questions - Marine Supplies

What is best practice for storing my boat during the off-season?

What is the benefit of using marine-specific oils and filters?

How do I maintain my boat's exterior?