1231020015 - Deflection/guide pulley, belt pulley OE number by MERCEDES-BENZ

MERCEDES-BENZ :   1231020015, 123 102 0015
  OE Number - stands for Original Equipment Number - the number of complete component or sub-assembly that was originally fitted to the vehicle. OE Number is interchangeable with the term Genuine Number

Replacement parts compatible with OE numbers