* Upgrade Package: All O-rings are pre-greased by us so that for Easy required for installation when you received. OE# 1xDR-3Z8566-A; 2xBC3Z-8590-F.
One O-ring is used in the "T-Connector" which connects to the thermostat and water pump. Two O-rings are used in upper and lower radiator hose quick connectors.
These O-rings in coolant quick connectors become flattened over time and must be replaced. It is a very common issue.
O rings Designed to be a tight fit, fix Ford F-150 radiator hose coolant leak problem.
Exceed OE Quality, buy with confidence! 3mirrors is a professional auto seller. If you have any questions when receiving the package, please feel free to contact us for a resolution!