4831 x 1. XK150 Gearbox Front Oil Seal in original LEATHER spec. the JL &  'JLE'  Overdrive design gearbox (Not suitable for JS series). 60 x 32 x 12mm outside diameter. Leather seals are now very expensive to manufacture, so we cannot gurantee future supplies in this material. Listed for M prefix Close Ratio boxes too. Original Number C6738

NOTE: You should soak leather seals in Saddle / Neats Foot  oil until leather is fully saturated and supple, before fitting to get longest life from them. Do not fit when leather is dry .