Buy 2011 Toyota Tundra 5.7L i-Force V8 FLEX A/T RWD SR5 Extended Cab Pickup Fleetside Engine Coolant Cooling, Tank, Expansion - OEM Toyota Part # 164050D030 (16405-0D030)

Cap. Reservoir. SUB - Assembly, RESERV. Tank. Engine Coolant.
A cover that prevents foreign debris from entering the container.

Engine Coolant Reservoir Cap

Fits Corolla, Matrix

Matrix. W/o XRS.
Engine Coolant Expansion Tank - Repair or Replace
A failed expansion tank can cause the cooling system in your 2011 Toyota Tundra to leak antifreeze, or it can cause your engine to overheat. If you're losing coolant, contact our service department to avoid engine damage.