Here is an original par of early Knecht air cleaners for ZENITH 32 NDIX carburetor. Both air cleaners are clean and suitable for use.
Throttle Cable Rod for Porsche 356 A 356 23020
Pyrotect Porsche 356 12g Fuel Cell Fits A & B Chassis Models,FIA-SFI Approved
Pyrotect Porsche 356 18 g Fuel Cell Fits A & B Chassis Models,FIA-SFI Approved
Pertronix Points-to-Electronic Kit 1844N6; Ignitor 6V for 55-67 Porsche 356, 912
Pertronix Electronic Conversion Kit 2847N6; Ignitor 6V for Porsche 356/912 4cyl
Pertronix Electronic Ignition Conversion Kit 2847; for 55, 66-67 Porsche 356/912