Performance Radiators in Penrith

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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 Penrith. 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 Penrith

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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

Aluminium radiators provide superior heat dissipation and durability compared to traditional copper-core designs. In Penrith, we offer lightweight, high-efficiency aluminium radiators for all performance applications.



In Penrith, we supply and fit radiators for SUVs, utes and vans, ensuring they maintain optimal cooling efficiency even under heavy loads and long-distance driving conditions.

Industrial and heavy-duty machinery require specialised cooling solutions. In Penrith, we manufacture custom radiators designed for efficiency and durability in demanding applications. Contact us today to learn more.

Need a radiator for a unique industrial application? We custom-build cooling systems for generators, pumps, compressors and other specialised machinery in Penrith. To find out more, contact our friendly team.



If your vehicle is overheating, we perform thorough diagnostics to identify the root cause. From radiator issues to thermostat or water pump failures, we provide the right fix in Penrith.

  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 Penrith?

    We service the entire Penrith area and surrounding areas, including South Penrith, Werrington Downs and Emu Heights. Contact us to confirm if we serve your specific location.

  • How do I know if my radiator fan is working properly?

    Signs of a faulty radiator fan include engine overheating, the fan not turning on when the engine is hot or excessive noise. You can test the fan by running the engine and checking if it activates when the temperature rises or using a multimeter to test the electrical connections.

  • What’s the purpose of a radiator cap?

    The radiator cap maintains pressure within the cooling system, preventing coolant from boiling and ensuring efficient circulation. It also regulates coolant flow to and from the overflow reservoir. A faulty cap can lead to overheating, leaks and reduced cooling performance.

  • How does a coolant overflow tank work?

    A coolant overflow tank collects excess coolant when the system heats up and expands. When the engine cools down, the coolant is drawn back into the radiator, maintaining consistent levels. Without an overflow tank, coolant could be lost, leading to overheating.