Audi Porsche Car Oxygen Sensor 4H0906262H 0258027058 025802705

This replacement matches OEM standards in material and process; high-temperature ceramic substrate with dual protective layers resists exhaust heat and chemical corrosion; life comparable to OEM. OEM 4H0906262H; compatible with 0258027058 and 025802705 as alternatives; fits Audi A6, A7, Q7, Porsche Cayenne, Panamera. Monitors exhaust O2, feeds ECU to adjust AFR; installation medium; need special socket to remove old part; avoid thread damage; cool engine during replacement and apply anti-seize.