Performance Radiators in Sutherland

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High-Quality Performance Cooling Solutions

At South Coast Radiators, we specialise in performance radiators designed to keep high-performance, modified and heavy-duty vehicles running at peak efficiency in Sutherland. Whether you own a performance street car, race car, 4WD or classic vehicle, we provide custom-built cooling solutions to prevent overheating and enhance engine performance.


We are the industry leaders in copper and brass custom radiators. All our builds are of the highest quality copper and brass material available on the market. Unlike aluminium, copper and brass are far superior materials, far more robust, not susceptible to electrolysis and vibration leaks as is aluminium, is a far superior conductive material for heat transfer, is fully serviceable and repairable, unlike aluminium units, and the list goes on!


Looking for maximum cooling efficiency and longevity? We also specialise in radiator and fan packages tailored to suit your build.


For expert cooling solutions in Wollongong, Shellharbour, Nowra, the Southern Highlands, Sydney, Campbelltown, Penrith, Parramatta, Liverpool, Blacktown, Sutherland, Gosford, Newcastle, Port Macquarie, Coffs Harbour, Brisbane and Melbourne, call (02) 4283 1547 or visit us today!

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Custom Builds

Expert Repairs & Servicing

Hard Working Team

Established in 1975

Family Business

Why Radiators Matter

Performance radiators are designed to manage the intense heat generated by high-performance, modified and heavy-duty engines. They work by efficiently dissipating heat through advanced cooling technology, ensuring your engine maintains optimal temperature even under extreme conditions.


A fully functioning and working cooling system is one of the most crucial parts of any performance engine. With the cost involved in today's market to build a high horsepower engine, your cooling system is insurance that you get the most possible use and longest life possible out of your engine.


Need expert cooling advice and solutions for your pride and joy? Contact us

today.

Enquire Today

Enquire Now in Sutherland

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Opening Hours

Mon- Fri  7:30 am - 5:00 pm

 Sat  7:30 am - 5:00 pm By Appointment

Sun Closed

Enhance your cooling system with oil coolers and auxiliary radiators in Sutherland. These upgrades help regulate engine and transmission temperatures, improving performance and longevity. Contact us today to learn more.



Frequent overheating, coolant leaks or rust buildup indicate radiator failure. In Sutherland, our experts assess your system and provide the best repair or replacement options.

A custom-built radiator isn’t just about performance—it should look great too. We offer polished, anodised and painted finishes to complement your show car’s aesthetic in Sutherland.

Fleet operators need reliable cooling across multiple vehicles. We provide radiator services for large truck fleets, ensuring uniform cooling performance and reduced maintenance costs in Sutherland.

When repairs aren’t enough, we supply and install new radiators suited to your vehicle’s specifications, ensuring long-lasting reliability and cooling efficiency in Sutherland. To find out more, contact us today.



  ðŸ”§  Automotive Cooling in Wollongong

  ðŸ”§  Automotive Cooling in Wollongong

  ðŸ”§  Automotive Cooling in Wollongong

  ðŸ”§  Automotive Cooling in Wollongong

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Frequently Asked Questions

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  • What areas do you service in Sutherland?

    We service the entire Sutherland area and surrounding areas, including Woronora, Kirrawee and Gymea. Contact us to confirm if we serve your specific location.

  • Can a radiator affect my air conditioning system?

    Yes, the radiator and air conditioning condenser are closely linked. If the radiator isn’t cooling efficiently, it can cause the AC system to overheat, reducing performance. A clogged or damaged radiator can also restrict airflow, leading to higher temperatures inside the vehicle and increased strain on the AC system.

  • What is the difference between crossflow and downflow radiators?

    Crossflow radiators have coolant tubes that run horizontally, while downflow radiators have vertical tubes. Crossflow designs are more common in modern vehicles as they provide better cooling efficiency, especially in high-performance applications. Downflow radiators are typically found in older vehicles but may not dissipate heat as effectively in extreme conditions.

  • Why is my coolant turning brown or rusty?

    Brown or rusty coolant indicates contamination, often caused by corrosion inside the radiator or engine. This can lead to clogged passages and reduced cooling efficiency. A coolant flush is recommended to remove debris and prevent further damage. Using the correct type of coolant and regular maintenance helps prevent rust buildup.