Buy 2013 Toyota Tacoma Pre Runner Extended Cab Pickup Fleetside Engine Coolant Reservoir Cap. 4.0 LITER Tank, Expansion, Cause - OEM Toyota Part # 1640522040 (16405-22040)

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

Engine Coolant Reservoir Cap

Fits 4Runner

4.0 LITER.
Engine Coolant Expansion Tank - Repair or Replace
A failed expansion tank can cause the cooling system in your 2013 Toyota Tacoma to leak antifreeze, or it can cause your engine to overheat. If you're losing coolant, contact our service department to avoid engine damage.