(22-02-2022, 11:00 AM)John Cornforth Wrote: Lucas model numbers like DJ4 and DK4A are only the start. From some time (probably in the 1930's) due to the multiple variants within each model Lucas also used a part number of 5 figures plus a variant letter.
The DK4A pictured above has a plate numbered:
and the DJ4:
Number is 56762
I believe both of these to be genuine Austin 7 distributors but my Lucas catalogue only deals with post war reference numbers