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
PETROL TANK CENTRE STRIP BSA A50/A65 4 GAL PR
Part No: 68-8038-9
EXHAUST ROSE ALLOY 500CC
Part No: 71-2466- Out of stock
SEAT 1968 BLACK TOP UNPIERCED CHR TRIM
Part No: 82-8204
WASHER PETROL TAP
Part No: 83-0002
FUEL TAP NUT
Part No: 83-0006
PETROL TANK CENTRE STRIP 500 69-71 TWIN TAP
Part No: 83-0007
PETROL TANK CENTRE STRIP 350/500 69-70 SINGLE TAP
Part No: 83-0007A- Out of stock
TANKSTRIP HOOK
Part No: 83-0008
PETROL TANK CENTRE STRIP 650-EXPORT 69-70
Part No: 83-0031
PETROL TANK CENTRE STRIP 650-EXPORT 69-70 TAIWAN TANKS
Part No: 83-0031A
PETROL TANK CENTRE STRIP 650 4 GAL 69-70
Part No: 83-0032
DISTANCE PIECE 500 SWINGARM 69-74
Part No: 83-0037
SUMP BASHPLATE 650 69-70
Part No: 83-0040
FRONT REDG PLATE 69-70
Part No: 83-0216
CAPTIVE NUT
Part No: 83-0222
TANK MOUNT RUBBER
Part No: 83-0260
HORN BRACKET 1970 T120
Part No: 83-1254- Out of stock
CENTRE STAND UNIT 650 1970
Part No: 83-1267
TABWASHER CENTRE STAND BOLT 1970
Part No: 83-1270
SUMP BASHPLATE T100C 69-ON
Part No: 83-1279
PETROL TANK BADGE SCREW LONG
Part No: 83-1339
FRONT ENGINE PLATE 1970 PR
Part No: 83-1356
SIDE PANEL KNOB 68-70
Part No: 83-1357
COIL BRACKET UNIT 500 1970-ON
Part No: 83-1533- Out of stock
SIDE STAND 1968 -ON
Part No: 83-1560
SEAT 1970 T120 + 70-74 T100
Part No: 83-1573
T PIECE BREATHER HOSE
Part No: 83-1610
BREATHER PIPE T PIECE TO OIL TANK 1970
Part No: 83-1613
BREATHER PIPE D SECTION 70-73 39inch
Part No: 83-1614
CLIP FOR D BREATHER PIPE
Part No: 83-1615
CLIP FOR D BREATHER PIPE STAINLESS
Part No: 83-1615S
MUDGUARD REAR MILD STEEL 500/650 1970 UK DRILLED
Part No: 83-1617
MUDGUARD REAR MILD STEEL 500/650 68-70 UNDRILLED
Part No: 83-1617A
MUDGUARD REAR MILD STEEL 500/650 1970 USA DRILLED
Part No: 83-1619
SPACER WASHER OIF HEADRACE BEARING
Part No: 83-2007
PETROL TANK CENTRE STRIP T150 EXPORT
Part No: 83-2034- Out of stock
SEAT 71-74 T150 EXTENDED NOSE
Part No: 83-2039
GROMMET HEADLAMP BRACKET 650 OIF TOP
Part No: 83-2209
SPACER HEADLAMP BRACKET
Part No: 83-2211
HEADLAMP CLAMPING WASHER 71-73 WIRE STAY
Part No: 83-2216- Out of stock
SEAT COVER 71-74 T150 EXTENDED NOSE
Part No: 83-2239
SCREWED PEG BATTERY BOX MOUNT OIF
Part No: 83-2508
BATTERY BOX OIL IN FRAME 71-72
Part No: 83-2512
SWINGARM BUSH OIF
Part No: 83-2521
RUBBER CARB TO AIRBOX TR6 71-73
Part No: 83-2625