Tank. Reservoir.
A container that holds engine coolant. Assembly - Radiator Overflow. Battery Tray. Engine Coolant. Expansion.

Engine Coolant Reservoir

Fits F-350 Super Duty (2017 - 2019)

6.2 LITER. 6.2 LITER, dual battery. 6.2 LITER, w/dual battery. 6.7 LITER, AUXILIARY. 6.7 LITER, MAIN. AUXILIARY, 2018-19. F250, F350, F450, F550. F250, F350; w/Dual Battery.
Engine Coolant Expansion Tank - Repair or Replace
A failed expansion tank can cause the cooling system in your Ford F-350 Super Duty to leak antifreeze, or it can cause your engine to overheat. If you're losing coolant, contact our service department to avoid engine damage.