Final Drive Output Seal 30x42x7
If your final drive is leaking on the right side, then this seal needs to be replaced. It's also a good idea to replace it in any case, when the final drive is apart for any reason.
Equivalent to BMW Part Number 33 12 3 004 337
Fits all dual shock models from /5 through 1984 models (those with a rear axle shaft). Does not fit monoshock or Paralever models.