This universal aluminum coolant overflow / expansion water tank is a heavy‑duty upgrade to replace brittle OEM plastic reservoir. Made of high‑quality 6061 aluminum alloy with full TIG welding, anti‑rust and anti‑high‑temperature. It stores expanding coolant, balances cooling‑system pressure, prevents overflow and coolant loss, ideal for turbo builds, engine swaps, track‑day and custom project vehicles. Multiple capacity options available: 800ml /1L /1.5L /2L /2.5L.

⚠️ Note: Pressure test after install. Not vehicle‑specific universal fit, need to adjust hose routing for your engine bay.

✅ Replace fragile factory plastic tank, anti‑crack, high temp & corrosion resistant

✅ Pressure‑relief cap, balance cooling system pressure, prevent coolant overflow

✅ Multiple capacity & anodized color options

✅ Universal fit for most cars, turbo vehicles, engine swap, race / track project

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