Diaphragm fuel pump 354236A1, 142000080736 (38027101) - Spare parts for agricultural machinery and tractors.
Fuel Pumps | Tempest Plus
Fuel Pumps (Automobile)
What are diaphragm pumps? - Quora
Mechanical Fuel Pumps (MFP)
Original Stud-mounted Fuel Pump - Short Diaphragm - Fuel Pump - Fuel System - 1955-1965 | Rolls-Royce Silver Cloud I, II, III & Bentley S1, S2, S3 Parts - Catalogues | Flying Spares