Lambda sensor Lambda sensor Bosch LSU4.9.
Wideband lambda sensor Bosch LSU4.9 compatible with our controllers WB1 a WB2.
Welding nut for for lambda sensor.
Welding nut with bung for for lambda sensor. Material of nut is stainless steel. Material of bung is brass. Thread 18x1,5. Details for position of nut in exhaust see here Manual WB2.