Qauv Zauv: 7103A Hom: NOX Sensor Plug: tiaj 5 insert Pem hauv ntej xim: Dub Back xim: silver Cov khoom siv rov qab: aluminium alloy Pem hauv ntej khoom: refractory yas Chav tsev nqi: Hu rau peb rau cov lus hais tseeb