Part is mentioned in the manual for the Beetle until 1952 and the Barndoor parts manual untill 1954.
This MANN fuel filter is commonly seen on Porsche 356 Pre A engines.
Tuners like Denzel and Okrasa also used these on there engines.
Numbers as seen on the lid are: BF329 & KD 08.49
For Bosch starters: AL/EED 0,4/6 L4 , AL/EED 0,5/6 L34 , AL/EED 0,5/6 L44 , AL/EED 0,5/6 L49
Bosch part number 0 330 300 001
The bracket on the left is used with Stale Air fan housing (111119025
The bracket on the right is used with Fresh Air fan housing (113119025J
Used up to up to engine number 7 336 419 (11/1962)
Is called Stale Air.
from chassis number 4001 (09/1950) until 1 306 307 (05/1964) the diameter of the heater pipe was 50mm.
From 1 306 308 (04/1964) until the end (07/1967) the diamter of the heater pipe is 60mm.