Piston ring:

【1】06H107065BE Piston insert mark:

【1】06H107065DM Piston kit

【3】06H198151B Piston ring:

【3】06H198151C Piston ring:

【3】06H198151J Piston ring:

【3】06J198151E Piston ring:

【2A】N90558301 Ring, snap

【2A】N91176601 RING,RETAINING