Brand bosal part name end silencer part number 278853 technical specification from chassis no 6k t 249000 to chassis no 6k x 028500 oen part numbers seat 6k6 253 609ad seat 6k6 253 609af seat 6k6 253 609f seat 6k6 253 609j seat 6k6 253 609m seat 6k6 253 609p this part fits with the following models seat ibiza mk ii 6k1 1 6 i 93 99 101 1595 seat ibiza mk ii 6k1 1 6 i 93 99 75 1598 seat ibiza mk ii 6k1 1 9 sdi 93 99 64 1896 seat ibiza mk ii 6k1 1 9 td