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Heater Hose Quick Connectors


For removal it is suggested a disconnect tool, available at auto parts retailers, be used to disengage spring lock inside quick connector.


  • A. Lube O-ring with silicone prior to assembly
  • B. Use worm gear clamps to connect heater hose to connector
  • C. Insert heater core tube into connector until an audible click is heard and/or resistance to further insertion significantly increases
  • D. Pull back on the quick connector in the opposite direction of insertion with a minimum of 15 lbs. force to ensure the connector is properly latched

Quick connectors are used on Ford and GM heater hose assemblies and offer an easy way to replace the OEM assemblies on certain heater cores. Quick connectors and heater hose can be combined to replace an assembly if the assembly is not available as a replacement part. Refer to for application assistance.


Housing Glass filled nylon
O-Ring Peroxide-cured EPDM
Retainer Nylon


Part # Orientation Female Quick Connect (Tube OD) Male Tube (Hose ID)
65647 Straight 5/8" 5/8"
65648 Straight 3/4" 3/4"
65649 Straight 3/4" 5/8"
65650 90° Elbow 5/8" 5/8"
65651 90° Elbow 3/4" 3/4"

Further Information