Cessna 336/337 Fiberglass Vertical Fin Tip Upper Left (Option 1) . Replaces: Cessna Part # 1431001-3/-10. Cessna 336 s/n 336-0001 to 336-0195, 337 s/n 337-0001 & up, F337 s/n F3370001 & up, T337 & P337H s/n P3370001 & up, FT337 s/n FP3370001 & up