Triumph
Part Number Conversions

In 1973 Triumph adopted a Numerical part numbering system. To convert old part numbers, use the chart below.

Letter prefix-to-Number prefix

Dxxxx       to       60-xxxx
Exxxx       to       70-xxxx
Exxxxx     to       71-xxxx
Fxxxx       to       82-xxxx
Fxxxxx     to       83-xxxx
Hxxxx       to       97-xxxx
Sxxxx       to       21-xxxx
Txxxx       to       57-xxxx
Wxxxx      to       37-xxxx

E1234   Becomes   70-1234
E62345   Becomes   71-2345
S234   Becomes   21-0234