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Cap. Reservoir. A cover that prevents foreign debris from entering the container. Exc.Japan Built. Radiator RESERV. Tank. Engine Coolant. Overflow hose. Included with: Shroud. Engine Coolant Reservoir Cap
Fits Sienna2004-06, US built. 2007-09, US built. 3.3 LITER. 3.5 LITER. RX350; Canada Built. Engine Coolant Expansion Tank - Repair or ReplaceA failed expansion tank can cause the cooling system in your 2004 Toyota Sienna to leak antifreeze, or it can cause your engine to overheat. If you're losing coolant, contact our service department to avoid engine damage.
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