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Radiator Water Overflow Tanks
Keep your engine’s cooling system running efficiently with high-quality radiator water overflow tank replacements from Superspares. Our range features trusted options designed to suit a wide variety of vehicles, including the Toyota Hilux, Mazda BT-50, Ford Ranger, BMW X3, Volkswagen Golf, and more. We stock durable and vehicle-specific overflow bottles from Superspares, made to match factory specifications for a clean fit and reliable performance. Whether you're maintaining a daily driver or upgrading a high-performance car, you'll find dependable cooling components built for Aussie roads. Enjoy free delivery on orders over $99 and a 30-day return policy—shop quality parts with confidence at Superspares, Australia’s trusted destination for automotive replacements and upgrades.
$139.95
RRP $167.94
$151.95
RRP $182.34
$133.95
RRP $160.74
$151.95
RRP $182.34
$108.95
RRP $130.74
$114.95
RRP $137.94
$90.95
RRP $109.14
$120.95
RRP $145.14
$72.95
RRP $87.54
$114.95
RRP $137.94
$114.95
RRP $137.94
$114.95
RRP $137.94
$114.95
RRP $137.94
$114.95
RRP $137.94
$114.95
RRP $137.94
$114.95
RRP $137.94
$129.95
RRP $155.94
$114.95
RRP $137.94
$114.95
RRP $137.94
$114.95
RRP $137.94
$151.95
RRP $182.34
$133.95
RRP $160.74
$114.95
RRP $137.94
$144.95
RRP $173.94
$140.95
RRP $169.14
$114.95
RRP $137.94
$65.95
RRP $79.14
$122.95
RRP $147.54
$120.95
RRP $145.14
$105.95
RRP $127.14
$140.95
RRP $169.14
$113.95
RRP $136.74
$62.95
RRP $75.54
$77.95
RRP $93.54
$69.95
RRP $83.94
$107.95
RRP $129.54
$118.95
RRP $142.74
$151.95
RRP $182.34
$144.95
RRP $173.94
$140.95
RRP $169.14
Reliable Overflow and Expansion Tanks for Every Drive
At Superspares, we stock a wide selection of high-quality rad overflow tanks designed to maintain pressure balance and coolant levels in your vehicle’s engine cooling system. Whether you're replacing a worn-out unit or upgrading for better durability, our range is built to meet Australian driving demands—from city commutes to rugged outback journeys.
Extensive Fitment Across Popular Models
We carry direct-fit radiator overflow bottles for a wide variety of vehicles including Toyota Hilux, Land Cruiser, Mazda BT-50, Ford Ranger, Volkswagen Golf, Holden Commodore, and many more. Each product is designed to match OEM specifications for easy installation and reliable function. From classic sedans to modern 4x4s and performance builds, our tanks are compatible with both petrol and diesel systems.
Built for Long-Term Performance
Each antifreeze overflow tank in our collection is manufactured using durable materials that withstand fluctuating engine temperatures and long-distance driving. Whether it’s a daily drive or a heavy-duty haul, these tanks ensure proper coolant recovery and expansion control—critical for preventing overheating and protecting your radiator and engine components.
Brands You Can Trust
Explore our exclusive selection from Superspares, offering quality that meets or exceeds OEM standards. Our tanks are built for reliability, affordability, and longevity—ideal for both DIY car enthusiasts and workshop professionals.
Fast Delivery and Peace of Mind
Shopping with Superspares means you can take advantage of free delivery on orders over $99 and enjoy the flexibility of a 30-day return policy. All products are available Australia-wide, shipped quickly from our warehouse network.
Browse our full range of overflow and expansion tanks today to find the perfect match for your vehicle. Superspares has the right cooling solution to keep your engine running smoothly, no matter the road ahead.
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