Triumph Transmission Parts

Experiencing gear box issues? Are you performing a gear box rebuild and need replacement parts? If you said yes to both then you are in the right section of our site. Here you will find everything you need to rebuild your gear box the proper way. Find parts from high gears, bearings, seals, oil seal kits, shifter forks, gaskets, and more. Find your parts today.


  • Orders ship fast and free in the United States - always
  • Brands from L.F. Harris, Triumph, Tri-Cor,  EMGO, etc
  • Parts for Triumph 6T, T120R, TR6R, T140, TR7R, TR25W, T100R, and more