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: JB3G5L248BB--FORD,JB3G-5L248-BB--FORD,2406747--FORD,JB3Z-5L248-D--FORD,JB3Z5L248D--FORD.