Crank Rear Oil Seal Conversion 948cc/1098cc. This kit is for 948 and 1098cc Morris Minor engines only with the engine code beginning 9M, 10MA or 10ME. It will not fit 948 or 1098cc Midget or Sprite engines with the engine code beginning 9C or 10C. For 1098cc Midget/Sprite engines use part no. 10M800C. Please note: This conversion is intended as an upgrade for the A-series engine for fitment during a full engine rebuild. It will not work as a 'sticking plaster' to prevent oil leaks on a worn engine.