Compares with parts numbered by Lucas as 400051, 405468 and Remax ES222. Standard 9 and 10 1935/40, 8 and 10 1939/58, 12 and 14 1935/48, Ensign 1957/58, Pennant 1957/58, Vanguard 1953/57. For use with distributors numbered by Lucas as DK4A, DKH4A, DKY4A, 4URA, DKYH4A and DKZ4A.
