Manufacturer: Vitesco Technologies. OEM Numbers: 4M0907807BL--AUDI,4M0907807AJ--AUDI,4M0 907 807 AJ--AUDI,4M0 907 807 BL--AUDI,4M0907807BL--VW,4M0907807AJ--VW,4M0 907 807 AJ--VW,4M0 907 807 BL--VW. The Lambda sensor or oxygen sensor is located in the manifold or exhaust system.
