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Car & Auto Repair

Radiator replacement cost calculator

Work out what replacing a radiator will cost from the part, the labor, and the coolant. A radiator is a moderate repair on its own, but its whole job is keeping the engine from overheating, and an overheated engine is a repair many times the radiator, so a coolant leak is one to fix promptly. The calculator adds it up.

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The radiator itself. An aftermarket radiator for a common car is at the low end; an OEM part, or one for a large truck or European car, costs more.
Draining the system, removing hoses and the fan, and fitting the new radiator. More on cars where the radiator is boxed in behind the AC condenser or bumper.
The shop's hourly rate. Dealers charge more than independents.
Fresh coolant to refill the system, and any hoses or a thermostat replaced at the same time while it is drained. Sensible to do together.
Estimated cost
$643

Typical range $546 – $835

  • Radiator (part)$250
  • Labor (hours × rate)$313
  • Coolant, hoses & thermostat$80
  • Total$643
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$500 to $1,000 is an OEM radiator or a boxed-in install. Confirm the leak is the radiator, not a hose or the water pump.

What this assumes, and where it could be wrong

Every one of these is a place the number could be off. They are here because you should be able to check our working, not because we are hedging.

THE RADIATOR IS MODERATE; THE ENGINE IT PROTECTS IS NOT.
A radiator replacement is a mid-range repair, but the radiator's only job is to keep the engine cool, so a leak you ignore leads to overheating, and an overheated engine can warp the cylinder head, blow the head gasket, or seize, a repair many times the radiator. That is why a coolant leak, a puddle under the car, or the temperature gauge climbing is a repair to make promptly, not one to nurse along

Fix the whole cooling system, not just the radiator. When the radiator is replaced, the hoses, the thermostat, and sometimes the water pump are all in the same aging cooling system, and the labor to reach them overlaps. Replacing a brittle hose or an old thermostat while everything is drained and apart is cheap insurance against the next breakdown.

Sometimes it is not the radiator. Overheating and coolant loss can come from a hose, the water pump, the thermostat, or a head-gasket leak rather than the radiator itself. A proper diagnosis before replacing the radiator avoids fixing the wrong part, especially since a head-gasket leak is a much bigger problem than a radiator.

An aftermarket radiator is usually fine and saves money. For most common cars a quality aftermarket radiator is a fraction of the OEM price and works well. OEM is worth it mainly for a car you will keep a long time or where fit and cooling capacity must be exact. Match the radiator to your car and cooling needs, not just the price.

The defaults are ours and are a starting point. The part, the labor, and the coolant are yours, and the estimate turns on the radiator type and how boxed-in it is on your car.

Frequently asked questions

How much does it cost to replace a radiator?
It is the radiator, the labor, and fresh coolant. An aftermarket radiator for a common car with a couple of hours of labor is a moderate repair; an OEM part, a large truck or European car, or a boxed-in radiator behind the AC condenser costs more. The calculator above adds it up from your quote. It is a mid-range repair, but an urgent one if the radiator is leaking.
Can I drive with a leaking radiator?
Only very briefly, and it is risky. A leaking radiator loses coolant, and once the engine overheats you can warp the head or blow the head gasket, which is a repair many times the radiator. If you must move the car, top up the coolant, watch the temperature gauge closely, and stop the moment it climbs. The safer answer is to fix or tow it rather than drive on a leak.
Should I replace the hoses and thermostat with the radiator?
Usually worth it. The hoses and thermostat are part of the same aging cooling system, the labor to reach them overlaps with the radiator job, and the system is already drained, so replacing a brittle hose or an old thermostat now is cheap against another breakdown and another drain-and-refill later. A shop will often recommend it, and here it is sensible rather than an upsell.
Is an aftermarket radiator as good as OEM?
For most common cars, a quality aftermarket radiator is fine and costs a fraction of OEM. OEM is worth the premium mainly for a car you will keep a long time, or where exact fit and cooling capacity matter, such as a performance or heavy-duty application. Match the radiator to your car's cooling needs rather than choosing purely on price.

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