Besides being a musical instrument, this is a fitting which is shaped like a banjo. It has round end that is doughnut shaped with a tube coming out from one side. It is usually used to transfer fluid from the center hole of the round end and out the lateral tube. Also see Rear axle housing, banjo type .
BANJO
Meaning of BANJO in English
English dictionary of automotive terms. Английский словарь автомобильных терминов. 2012