Heavy-Duty Radiators in the Southern Highlands

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Service You Can Rely On

At South Coast Radiators, we specialise in industrial radiator solutions for trucks, earthmoving equipment, mining vehicles and heavy machinery in the Southern Highlands. Our radiators are built to withstand extreme conditions, ensuring maximum cooling efficiency and durability for demanding industries.


With extensive knowledge and experience in the mining sector, we provide fast overhauls, re-cores and rebuilds to keep your fleet running efficiently. We work with all major heavy vehicle brands, using high-quality materials for long-lasting performance. Whether you need a new assembly, a full re-core or a quick repair, our team will do everything possible to ensure minimal downtime. We also offer free local pickup and delivery for added convenience.


Based in Wollongong and servicing Nowra, the Southern Highlands, Newcastle and surrounding areas, we'll keep your equipment performing at its peak!


Call (02) 4283 1547 today for expert heavy and industrial radiator services you can rely on!

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Custom Builds

Expert Repairs & Servicing

Hard Working Team

Established in 1975

Family Business

Our Service Process

Regular industrial radiator servicing is crucial for keeping heavy machinery, trucks and mining vehicles running efficiently. Our process includes:


  • External Cleaning: Removes debris and build up from the core that affects air flow.
  • Inspection & Diagnosis: We visually assess for external damage and corrosion.
  • Pressure Testing: All radiators are pressure tested both prior to and at completion of all work carried out.
  • Repair/ Overhaul/ Rebuild: We carry out the required work to the highest standard, using high-quality materials and hardware.
  • Final Testing: A rigorous final testing procedure ensures peace of mind before re-fitting.
Enquire Today

Enquire Now in Southern Highlands

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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

Modified engines generate more heat, requiring advanced cooling systems. We build and install radiators specifically designed to handle the increased thermal load of high-performance vehicles in the Southern Highlands.

Unsure what’s causing overheating? Our experienced technicians provide detailed cooling system diagnostics in the Southern Highlands, identifying issues with radiators, water pumps, hoses and thermostats.

If your radiator is no longer available, we can replicate the original design while incorporating modern cooling improvements. In the Southern Highlands, our expertise ensures a seamless match for classic and rare vehicles.



We offer same-day pressure testing in the Southern Highlands to identify leaks, blockages and inefficiencies in industrial cooling systems. Early diagnosis helps prevent costly breakdowns and ensures reliable operation.

We diagnose and repair radiators for passenger cars, trucks and heavy machinery. From minor leaks to major damage, our expert team restores your cooling system’s efficiency, preventing overheating and costly engine repairs.

  🔧  Automotive Cooling in Wollongong

  🔧  Automotive Cooling in Wollongong

  🔧  Automotive Cooling in Wollongong

  🔧  Automotive Cooling in Wollongong

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Frequently Asked Questions

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  • What areas do you service in the Southern Highlands?

    We service the entire Southern Highlands area and surrounding areas, including Bowral, Moss Vale and Mittagong. Contact us to confirm if we serve your specific location.

  • Why is coolant selection important for industrial radiators?

    Industrial radiators require coolant with high thermal stability, corrosion inhibitors and resistance to extreme temperatures. Using the wrong coolant can lead to overheating, internal corrosion and reduced efficiency. Always follow manufacturer recommendations and avoid mixing different coolant types, as this can lead to chemical reactions and damage the cooling system.

  • Can heavy-duty radiators be repaired, or do they need replacement?

    Many heavy-duty radiators can be repaired if the damage is minor, such as small leaks or clogged fins. Techniques like re-coring, welding or replacing damaged components can restore functionality. However, severe damage, corrosion or repeated failures may require a full radiator replacement to ensure long-term reliability.

  • What is re-coring, and when is it necessary?

    Re-coring involves replacing the radiator’s central core while retaining its original tanks and framework. This process is necessary when the core becomes clogged, corroded or damaged but the rest of the radiator remains in good condition. It’s a cost-effective alternative to full radiator replacement, restoring cooling performance for industrial equipment.