Triumph Gear Box / Primary Cover Acorn Nut (1) 21-0544 1969-82

  • Sale
  • Regular price $ 4.95
  • Will be in stock after

New Triumph chrome acorn nut. This acorn nut can be used on either the outer gear box cover or on the primary cover stator studs. Measures 5/16" x 24 (UNF). Comes with a chrome finish to replace Triumph part number 21-0544, S0544 and S544.


Fits most Triumph 500, 650, 750 twins and triples from approx 1969-1982. Please refer to your parts catalog for proper fitment.


Nut is sold individually.



  • Made in England
  • Measures 5/16" X 24 UNF
  • Replaces part number 21-0544, S0544 or S544