99-05 Mazda Miata Coolant Tank - Aluminum
99-05 Mazda Miata Coolant Tank - Aluminum
Aluminum coolant tank built to handle heat cycles without degradation. Replaces the factory plastic expansion tank that cracks under thermal stress. Direct fit for your Miata's cooling system.
Key Features
- Aluminum core - Resists stress cracks and lasts longer than OEM plastic under track and street driving
- Direct replacement design - Bolts into factory mounting points without modification
- Maintains OEM capacity - No recalibration of coolant level or overflow needed
Specs
- Material: Aluminum
- Configuration: Direct-fit expansion tank
- Condition: New
What's Included
- Coolant tank assembly
Frequently Asked Questions
Will this tank bolt up to my existing coolant hoses without modification?
Yes. This is designed as a direct bolt-in replacement using factory mounting points and hose connections. No adapters or modifications required.
Do I need to drain the entire cooling system to swap this in?
Partial drain is the smart move—you'll lose some coolant when you disconnect the old tank, but you won't need to flush the whole system. Refill to the proper level once the new tank is seated.
What about the cap and overflow line—do those come with this tank?
Tank assembly only. Verify your existing cap and overflow tube are in good shape before installation; if they're brittle or leaking, replace them while you're in there.
Products received may vary slightly from images due to manufacturing tolerances or supply chain variables.
International Orders (Outside USA)
Please be aware your country may charge import fees of up to 20% in some cases. If delivery is refused, return shipping costs us 4x the original shipping fee, so we will charge a 50% restocking fee. By purchasing you agree to these terms.
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