The NGK NTK 21548 Oxygen Sensor is designed as a direct replacement for various car models, including those with part numbers SG970, SG1678, OS5068, OS1724, and ES20134. This genuine NGK product comes in a bundle with 1 oxygen sensor and is compatible with a range of interchange part numbers from brands like BWD, Delphi, DENSO, General Motors, Bosch, Standard Motor Products, ACDelco, and Spectra Premium. The sensor has dimensions of 5.790" in length, 2.170" in width, and 1.890" in height, and it includes a warning for cancer and reproductive harm according to California Prop 65 regulations....