Ford O-ring For Part DR3Z8566A T-Connector -Coolant Leak Fix Repair F-150
***See my other listings for complete F-150 coolant system quick connect O-ring kits***
This listing is for (1) O-ring for the quick connector on the coolant T-connector that joins the upper radiator hose with the thermostat and water pump. The T-connector is part number DR3Z8566A. It contains an O-ring that is replaceable, but not available from Ford Parts.
These quick connectors are notorious for leaking, especially in cold weather. Replace just the O-ring and not the whole T-Connector assembly.