Petter A series Fuel Lift Pump. Equivalent to Petter P/N's BAE87, 374170, 344183 and BCD 2694
Fitted to a wide range of Petter A series engines including the AA1, AB1, AB1W, AC1, AC1W, AC2W and AD1 models.
Diaphragm type, inlet and outlet ports are 1/2" x 20 UNF and the pump is a four bolt fixing type.