For Mercury, Mariner, Force 13563Q3 Quick Disconnect 5/16 ID Fuel Line Fitting
"According to the Manufacturer"
Application Force 40hp and larger (1993 & Newer), Force 9.9/15/25hp (1998) and all Mercury/Mariner outboards using clip on type disconnect at engine ends
Hose 5/16" ID
Thread -
Connector Engine End Fitting, Clip-On Style Disconnect
Manufacturer Part Number: 710-22-13563Q 3