Includes four O-rings:
*One O-ring used in Ford part # DR3Z8566A “T-Connector” where it connects to the thermostat and water pump. This O-Ring is not available from Ford but is easily replaceable.
*Two O-rings used in upper and lower radiator hose quick connectors. Replaces Ford part # BC3Z-8590-F
*One O-ring that replaces the one in hose BL3Z8C350A which connects to the expansion tank BL3Z-8A080-B
Includes four Greased O-rings:
*One O-ring used in Ford part # DR3Z8566A “T-Connector” where it connects to the thermostat and water pump. This O-Ring is not available from Ford but is easily replaceable.
*Two O-rings used in upper and lower radiator hose quick connectors. Replaces Ford part # BC3Z-8590-F
*One O-ring that replaces the one in hose BL3Z8C350A which connects to the expansion tank BL3Z-8A080-B
Includes three Greased O-rings:
*One O-ring used in Ford part # DR3Z8566A “T-Connector” where it connects to the thermostat and water pump. This O-Ring is not available from Ford but is easily replaceable.
*Two O-rings used in upper and lower radiator hose quick connectors. Replaces Ford part # BC3Z-8590-F
The Problem
O-rings in these Ford coolant quick connectors become flattened over time, begin to leak and must be replaced.
The Solution
Replacing only the O-ring with a guaranteed fit TUFF RING is much more economical than replacing the hoses and “T-Connector”.