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Fuel Doctor

Fuel Doctor Fuel Conditioner - 1 Litre

$45.89 ^{^} $53.99 ^{^}

(517)

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Fuel Doctor

Fuel Doctor Fuel Conditioner - 250ml

$25.99 ^{^}

(182)

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Penrite

Penrite Marine Grease 450g

$27.99 ^{^}

(16)

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Gulf Western

Gulf Western Power Trim and Steering Fluid 1 Litre

$13.59 ^{^} $15.99 ^{^}

(15)

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Gulf Western

Gulf Western Outboard Oil - 2 Stroke, 4 Litre

$38.24 ^{^} $44.99 ^{^}

(100)

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Septone

Septone Fibreglass Polish & Protect 500mL

$24.99 ^{^}

(72)

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Gulf Western

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

$16.99 ^{^} $19.99 ^{^}

(15)

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Catalogue Out Now

Sale Ends Sunday
15th March 2026
Gulf Western

Gulf Western 2 Stroke Outboard Oil - 1 Litre

$16.99 ^{^} $19.99 ^{^}

(32)

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Septone

Septone Ali Brite Aluminium Cleaner 1 Litre

$34.99 ^{^}

(113)

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Septone

Septone Cut & Prepare Fibreglass Polish - 500ml

$25.99 ^{^}

(65)

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Coverall

CoverALL+ Hail Cover - Suits most SUVs

$209.99 ^{^}

(27)

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Coverall

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

$79.99 ^{^}

(21)

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Bonus Warranty*

Century

Century Marine Pro Battery MP780/N70ZM MF

$364.99 ^{^}

(251)

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Coverall

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

$59.99 ^{^}

(24)

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Septone

Septone® Fibreglass Repair Kit

$49.99 ^{^}

(54)

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Clearance

Valvoline

Valvoline Outboard Gear Oil - 500mL

$12.00 ^{^}

(14)

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Coverall

CoverALL+ PWC Cover Silver Protection, Water Resistant - Suits most 2 - 3 Person PWC

$69.99 ^{^}

(17)

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Septone

Septone® Glass Fibre Filler - 500g

$29.99 ^{^}

(35)

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Septone

Septone® Gel Coat Repair - 400g

$39.99 ^{^}

(24)

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Clearance

Nulon

Nulon Grease Cartridge Industrial General Purpose 450g

$10.50 ^{^} $14.00 ^{^}

(16)

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Online Only Deal
Bonus Warranty*

Century

Century Marine Pro Battery MP580/DR23RM MF

$244.99 ^{^}

(57)

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Clearance

Sierra

Sierra Outboard Oil Filter - S-18-7903

$3.00 ^{^}

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Coverall

CoverALL+ Hail Cover - Suits most Medium Vehicles

$189.99 ^{^}

(21)

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Clearance

Nulon

Nulon Grease Cartridge 4WD & Marine 450g

$13.50 ^{^} $18.00 ^{^}

(19)

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Online Only Deal
Clearance

Narva

Narva LED Navigation Light Cover - Chrome, Suits 99080

$2.00 ^{^}

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Septone

Septone® Glass Fibre Filler - 1kg

$39.99 ^{^}

(24)

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Bonus Warranty*

Century

Century Marine Pro Battery MP680/NS70M MF

$314.99 ^{^}

(187)

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Clearance

Nulon

Nulon Grease Tub Wheel Bearing Hi Temp 500g

$9.75 ^{^} $13.00 ^{^}

(41)

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Coverall

CoverALL+ Hail Cover - Suits most Large Vehicles

$199.99 ^{^}

(11)

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Clearance

Valvoline

Valvoline 2 Stroke Outboard Engine Oil 4 Litre

$55.00 ^{^}

(126)

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Clearance

Valvoline

Valvoline Marine 2 Stroke Outboard Engine Oil 1 Litre

$20.00 ^{^}

(13)

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Coverall

CoverALL+ Hail Cover - Suits most Extra Large Vehicles

$209.99 ^{^}

(12)

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Clearance

Sierra

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

$3.00 ^{^}

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Clearance

Sierra

Sierra Outboard Oil Filter - S-18-7897

$3.00 ^{^}

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Showing 1 - 34 of 81 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

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Fuel Doctor

Fuel Doctor

Penrite

Gulf Western

Gulf Western

Septone

Gulf Western

Gulf Western

Septone

Septone

Coverall

Coverall

Century

Coverall

Septone

Valvoline

Coverall

Septone

Septone

Nulon

Century

Sierra

Coverall

Nulon

Narva

Septone

Century

Nulon

Coverall

Valvoline

Valvoline

Coverall

Sierra

Sierra

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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?