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:
- E = 70 – e.g. E7869 becomes 70-7869
SPRING FLASHER UNIT
Part No: 60-3614
CYLINDER HEAD BOLT 650 OUTER
Part No: 70-0327
CYLINDER HEAD BOLT STAINLESS
Part No: 70-0327S
IDLER GEAR SPINDLE
Part No: 70-0375
NUT CRANKSHAFT AND REAR WHEEL
Part No: 70-0398
IDLE SPINDLE BUSH
Part No: 70-0400
SPRING OIL PUMP VALVE
Part No: 70-0403
EXHAUST ROSE BOLT (CEI)
Part No: 70-0409
NUT FOR TAPPET ADJUSTER CEI
Part No: 70-0470
GASKET ENGINE SUMP PRE-UNIT
Part No: 70-0487
CIRCLIP HIGH GEAR BEARING P/U+650/750
Part No: 70-0489
OIL PUMP DRIVE BLOCK
Part No: 70-0495
SUMP FILTER PRE-UNIT
Part No: 70-0529
BATTERY BOX BOLT
Part No: 70-0536
STUD BARREL BASE
Part No: 70-0672
BOLT OIL DRAIN TO PUSHROD TUBE
Part No: 70-0984
NUT 5/16 CEI SMALL HEX
Part No: 70-1310
THRUST WASHER
Part No: 70-1330
COPPER WASHER 3/8
Part No: 70-1335
DOME NUT ROCKER FEED CEI ZINC
Part No: 70-1435
DOME NUT ROCKER FEED CEI CHROME
Part No: 70-1435C
DOME NUT ROCKER FEED CEI STAINLESS
Part No: 70-1435S
OIL PUMP DRIVE NUT INLET CAM TO 69
Part No: 70-1463
TAPPET BLOCK
Part No: 70-1477
CYLINDER HEAD BOLT
Part No: 70-1484
CYLINDER HEAD BOLT STAINLESS
Part No: 70-1484S
PUSHROD TUBE SEAL
Part No: 70-1496
FIBRE WASHER TOP PUSHROD SEAL P/U EARLY
Part No: 70-1497
PUSHROD TUBE CHROMED P/U WITH DRAIN HOLES
Part No: 70-1505- Out of stock
OIL SCAVANGE PIPE SECURING CLIP 350/500
Part No: 70-1509 - Out of stock
SMALL END BUSH 650CC
Part No: 70-1511
TAPPET ADJUSTER CEI 650/750 ALLEN SCREW TYPE
Part No: 70-1513
EXHAUST PIPE PR P/U 500/650 DYNAMO MODELS 50-53
Part No: 70-1519-20
EXHAUST PIPE PR P/U 500/650 ALTERNATOR MO0DELS 50-53
Part No: 70-1519-3127
GASKET OIL JUNCTION BLOCK P/U
Part No: 70-1529
DOWEL
Part No: 70-1532
DOWEL PU TIMING COVER
Part No: 70-1535
STUD OIL PUMP PRE-UNIT
Part No: 70-1536
GASKET P/U OIL PUMP
Part No: 70-1537
STUD OIL JUNCTION BLOCK P/U
Part No: 70-1539
STUD ROCKERBOX/SUMP FILTER PLATE CEI
Part No: 70-1540
VALVE CAP
Part No: 70-1543
VALVE SPRING CUP TO 65
Part No: 70-1544
BOLT ROCKERBOX IRON HEAD CEI X 2 UH
Part No: 70-1545
CAMSHAFT KEY
Part No: 70-1558