Volvo PV/Duett Air filter

Dust drawn past a worn filter element settles in the carburetor and wears the cylinder bores – which is why the air cleaner differs between the engines in the 544 and 445 range. Which filter fits is determined by the engine code and whether the car has an oil-bath filter or a paper element, and whether the carburetor is a single Zenith or twin SU. The B14A and the early B16 engines have their own solutions, while the B18A could be supplied with both oil-bath and paper. The selection covers filter elements and complete air cleaners for each engine generation.