Before 1972 Triumph used a letter prefix and from 1972 onwards a number prefix.
The later system has the number prefix followed by four numbers.
e.g. E2879 became 70-2879 and T57 became 57-0057 etc.
These Prefixes are as follows:
- F1 = 83 – e.g. F16468 becomes 83-6468
AIR FILTER COVER TR7 R/H
Part No: 83-4808
BANJO ASSY
Part No: 83-7148
BATTERY BOX OIL IN FRAME 71-72
Part No: 83-2512
BATTERY STRAP BUCKLE 71-75
Part No: 83-3849
BEADING HOLDER PETROL TANK 71-73
Part No: 83-3318
BEADING RUBBER REAR LAMP HOLDER 71-73
Part No: 83-3213
BRACKET BRAKE PIPE/MUDGUARD STAY DISC FORKS 73-75 R/H
Part No: 83-5150
BRACKET FRONT MUDGUARD STAY 73-75 R/H
Part No: 83-5151
BRACKET REAR LAMP SUPPORT T140
Part No: 83-5001
BRAKE LEVER RETURN SPRING (REAR DISC)
Part No: 83-7016
BRAKE LEVER SPINDLE T140 REAR DISC
Part No: 83-7046
BRAKE PIPE BRACKET L/H DISC
Part No: 83-7064
BRAKE PIPE BRACKET L/H DISC STAINLESS
Part No: 83-7064S
BRAKE PIPE BRACKET R/H DISC
Part No: 83-8062
BRAKE PIPE BRACKET R/H DISC STAINLESS
Part No: 83-8062S