Genuine OEM Audi Front Lambda Probe Repair Set, part number 1K0998262D. This kit provides essential components for repairing a front lambda (oxygen) sensor, which is crucial for monitoring exhaust gas composition and optimizing engine performance and emissions. The set measures approximately 21cm long, 12cm wide, and 5cm high. Using a genuine OEM repair set ensures that replacement components meet factory specifications for electrical resistance and sensor calibration, maintaining accurate readings and preventing engine management issues.