2.5 LITER. Tank upper seal. A component which prevents a leak at the Radiator Core Coolant Inlet Tank. A component which prevents a leak at the Radiator Core Coolant Outlet Tank. Part is also included in Radiator assembly. Radiator Inlet Tank. Radiator Outlet Tank. Gasket. Inlet. Outlet. Packing. Ring, O. Included with: Radiator assembly.