Manufacturer: Vitesco Technologies. The Lambda sensor or oxygen sensor is located in the manifold or exhaust system. Fitting Position: before SCR catalytic converter. OEM Numbers: KK315L248BA--FORD,KK31-5L248-BA--FORD,2361244--FORD,KK315L2-48BA--FORD,KK31-5L248-A--FORD,KK315L248A--FORD.