Lambda (Oxygen) Sensors NGK/NTK holds a leading position world-wide in the field of development and production of Lambda sensors and original equipment manufacturer for many renowned automobile manufacturers. All sensors have original connectors and accurate length of cable they are of TÜV tested quality and have been granted ABE by the Federal Office for Motor Traffic. Lambda sensors by NGK/NTK feature easy installation, maximum care for the engine, reliable performance, reduced petrol consumption, and are environmentally friendly.