Part number 1K0998262H.
Brand new part.
Brand new, Genuine Bosch OEM oxygen sensor. Exposure to carbon, soot, harmful gases, coolant, chemicals, and thermal and physical shock will shorten the life of an oxygen sensor. A worn sensor could result in reduced gas mileage, poor engine performance, and/or emissions test failure. That's why checking, and if needed, replacing a worn-out oxygen sensor is an important part of every routine tune-up