Factory Parts 57-0023 to 57-7083

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Triumph used the letter T as the pre-fix for transmission parts until they computerised their system around 1973.

The T then became the number 57- and shorter suffixes were converted to 4 digits by adding leading zeroes.

Therefore, a part designated T23 becomes 57-0023 and a T1607 becomes a 57-1607

The parts referred to under either system are generally interchangeable

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  • 57-1381 Sliding Washer
    Chaincase Sliding Washer
    Oil Retaining Slinger
    aka: T1381
    NZ$ 14.65
    NZ$ 13.20
  • 57-1388 Stud
    Mounting Stud
    1/4 ich CEI 26tpi
    length: 1&5/16 inch
    aka: T1388
    NZ$ 2.70
    NZ$ 2.45
  • 57-1390 Screw
    Stop Plate Screw
    Kickstart
    aka: T1390
    NZ$ 7.70
    NZ$ 6.95
  • 57-1391 Bush
    Clutch Pushrod Bush
    aka: T1391
    NZ$ 4.05
    NZ$ 3.60
  • 57-1393 Bush
    1St Gear Bush
    Layshaft
    aka: T1393
    NZ$ 45.50
    NZ$ 40.95
    Out Of Stock
  • 57-1395 Bush
    Gearchange Spindle Bush
    aka: T1395
    NZ$ 14.05
    NZ$ 12.65
  • 57-1401 Screw
    Screw
    Diameter ⌀: 1/4 inch
    Length UH: 2&3/8 inch
    Thread Form: CEI 26tpi
    Head Style: Fillister Posidriv
    aka: T1401
    NZ$ 3.15
    NZ$ 2.85
  • 57-1402 Screw
    Screw
    Diameter ⌀: 1/4 inch
    Length UH: 2&5/8 inch
    Thread Form: CEI 26tpi
    Head Style: Fillister Posidriv
    aka: T1402
    NZ$ 3.80
    NZ$ 3.40
  • 57-1405 Bush
    Sleeve Gear Bush
    aka: T1405
    NZ$ 98.20
    NZ$ 88.40
  • 57-1411 Spacer
    Mainshaft Spacer
    aka: T1411
    NZ$ 20.15
    NZ$ 18.10
  • 57-1417 Indicator Plate
    Indicator Plate
    Gear Position
    aka: T1417
    NZ$ 16.10
    NZ$ 14.50
  • 57-1418 Spindle
    Camplate Spindle
    aka: T1418
    NZ$ 10.75
    NZ$ 9.65
  • 57-1422 Stop Plate
    Kickstart Stop Plate
    aka: T1422
    NZ$ 18.70
    NZ$ 16.80
  • 57-1426 Retaining Disc
    Retaining Disc
    Kickstart Pawl
    aka: T1426
    NZ$ 1.35
    NZ$ 1.20
  • 57-1431 Kickstart Pawl
    Kickstart Pawl
    Triumph 350 & 500
    Unit Construction
    aka: T1431
    NZ$ 25.90
    NZ$ 23.30
  • 57-1432 Spring
    Return Spring
    Gear Lever
    aka: T1432
    NZ$ 4.05
    NZ$ 3.60
  • 57-1433 Thrust Button
    Gearchange Thrust Button
    aka: T1433
    NZ$ 2.70
    NZ$ 2.45
  • 57-1434 Sprocket Nut
    Gearbox Sprocket Nut
    aka: T1434
    NZ$ 25.60
    NZ$ 23.05
  • 57-1436 Spring
    Gearchange Plunger Spring
    aka: T1436
    NZ$ 1.60
    NZ$ 1.45
  • 57-1437 Plug
    Camplate Plunger Plug
    aka: T1437
    NZ$ 9.65
    NZ$ 8.70
  • 57-1440 Dowel
    Gearbox Cover Dowel
    aka: T1440
    NZ$ 6.20
    NZ$ 5.60
  • 57-1441 Spring
    Kickstart Spring
    Triumph 350 & 500
    Unit Construction
    aka: T1441
    NZ$ 18.00
    NZ$ 16.20
  • 57-1457 Spindle
    Selector Fork Spindle
    aka: T1457
    NZ$ 10.75
    NZ$ 9.65
  • 57-1459 Clutch Worm
    Clutch Lifting Worm
    aka: T1459
    NZ$ 13.40
    NZ$ 12.10
  • 57-1462 Abutment
    Clutch Lever Abutment
    aka: T1462
    NZ$ 6.45
    NZ$ 5.80
  • 57-1464 Spacer
    Kickstart Spring Spacer
    aka: T1464
    NZ$ 9.30
    NZ$ 8.35
    Out Of Stock
  • 57-1465 Spring
    Clutch Cable Spring
    aka: T1465
    NZ$ 2.15
    NZ$ 1.90
  • 57-1472 Rubber
    Clutch Drive Rubber
    (Large)
    aka: T1472
    NZ$ 4.05
    NZ$ 3.65
  • 57-1473 Rubber
    Clutch Rebound Rubber
    (Small)
    aka: T1473
    NZ$ 3.45
    NZ$ 3.10
  • 57-1474 Pin
    Spring Retaining Pin
    aka: T1474
    NZ$ 0.65
    NZ$ 0.60
  • 57-1484 Worm Lever
    Clutch Worm Lever
    aka: T1484
    NZ$ 21.45
    NZ$ 19.30
  • 57-1512 Rubber Sleeve
    Rubber Shaft
    Kickstart Shaft
    aka: T1512
    NZ$ 3.95
    NZ$ 3.60
  • 57-1541 Gasket
    Inspection Cover Gasket
    aka: T1541
    NZ$ 1.05
    NZ$ 0.95
  • 57-1553 Screw
    Screw
    Diameter ⌀: 1/4 inch
    Length UH: 3/8 inch
    Thread Form: CE1 26tpi
    Head Style: Fillister Posidriv
    aka: T1553
    NZ$ 1.50
    NZ$ 1.35
  • 57-1554 Screwed Peg
    Clutch Arm Screw
    aka: T1554
    NZ$ 7.40
    NZ$ 6.70
  • 57-1559 Spring
    Clutch Spring
    4 Plate Clutch
    aka: T1559
    NZ$ 10.75
    NZ$ 9.65
    Out Of Stock
  • 57-1578 Pipe
    Breather Pipe
    Oil Tank
    aka: T1578
    NZ$ 9.65
    NZ$ 8.70
    Out Of Stock
  • 57-1590 Gear
    1st Gear 16T
    Mainshaft T20
    aka: T1590
    NZ$ 21.45
    NZ$ 19.30
  • 57-1599 Bung
    Filler Bung
    T20 Gearbox
    aka: T1599
    NZ$ 4.85
    NZ$ 4.35
  • 57-1604 Spring
    Index Plunger Spring
    Gearchange Camplate
    aka: T1604
    NZ$ 2.70
    NZ$ 2.45
  • 57-1607 Thrust Washer
    Layshaft Thrust Washer
    aka: T1607
    NZ$ 19.35
    NZ$ 17.40
  • 57-1638 Lifting Worm
    Clutch Lifting Worm
    aka: T1638
    NZ$ 57.50
    NZ$ 51.75
  • 57-1641 Spring
    Clutch Lever Spring
    aka: T1641
    NZ$ 1.05
    NZ$ 0.95
  • 57-1642 Cup Washer
    Cup Washer
    Clutch Cable
    aka: T1642
    NZ$ 1.30
    NZ$ 1.15
  • 57-1644 Abutment
    Clutch Cable Abutment
    aka: T1644
    NZ$ 28.85
    NZ$ 25.95
  • 57-1645 Abutment
    Clutch Cable Abutment
    Short
    aka: T1645
    NZ$ 9.90
    NZ$ 8.90
  • 57-1646 Rubber Boot
    Clutch Cable Rubber
    aka: T1646
    NZ$ 5.95
    NZ$ 5.35
  • 57-1669 Spring Cup
    Clutch Spring Cup
    aka: T1669
    NZ$ 3.85
    NZ$ 3.45
  • 57-1670 Stud
    Clutch Spring Stud
    aka: T1670
    NZ$ 17.60
    NZ$ 15.85
  • 57-1675 Plate
    Keeper Plate
    NZ$ 1.30
    NZ$ 1.15

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