55500320 / L020 / BS005. ✅ MOTORCODE : B20DTH /B20 DTH. OPEL : 55487270 / 55 487 270. OPEL : 55500320 / 55 500 320. OPEL : 855607 / 8 55 607. NOX SENSOR LAMBDASONDE / NOX KATALYSATOR /. STICKOXID SONDE / POSITION 2.
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