Radiator Replacement Cost Calculator
Estimate the cost of a radiator replacement. A radiator replacement includes the new radiator, coolant and usually a flush. The vehicle type and whether you use genuine or aftermarket parts are the main cost drivers, along with the labour to access the part.
Your radiator replacement details
Your estimate sits within the typical range.
Replace the radiator cap and thermostat and flush the system while you are at it, they are cheap and prevent a repeat overheat. Always use the manufacturer's specified coolant.
💰 Ways to save
- Aftermarket parts are cheaper than genuine and fine for most jobs, ask your mechanic which matters here.
- Do related wear parts at the same time while the area is already apart, it saves a second labour charge.
- Get a couple of quotes, labour rates and parts mark-ups vary a lot between workshops.
How we estimate this
A radiator replacement in Australia typically costs around $400 to $800 in 2026 for a common car including coolant, rising to $900 to $1,500 for European and complex vehicles. Aftermarket radiators cost less than genuine.
Pricing reviewed: November 2026.
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Pricing reviewed November 2026. Indicative Australian costs, not a quote.
Understanding radiator replacement costs in Australia
A radiator replacement in Australia typically costs around $400 to $800 in 2026 for a common car including coolant, rising to $900 to $1,500 for European and complex vehicles. Aftermarket radiators cost less than genuine.
The job includes the radiator, new coolant and usually a flush. The radiator and access drive the cost, and doing the cap, thermostat and a flush at the same time is cheap insurance against another overheat.
Frequently asked questions
How much does a radiator replacement cost in Australia?
Roughly $400 to $800 in 2026 for a common car including coolant, and $900 to $1,500 for European or complex vehicles. Aftermarket radiators are cheaper than genuine.
Should I flush the cooling system when replacing the radiator?
Yes, it is cheap while the system is drained and removes old coolant and sludge, protecting the new radiator. Replacing the thermostat and cap at the same time is also worthwhile.
Are you a mechanic / workshop?
Everyone on this page is working out what radiator replacement costs because they are ready to hire. Put your business right beneath the calculator, in your state, so you are who they find. From $50/mo.