Front Oxygen Sensor - Original Equipment Replacement for W164, W169, W203, W204, W211, W212, W221, W251, W461, W219 - Premium Quality Automotive SensorPremium Oxygen Sensor | OEM 5WK96664, 6G19Z-5028251, 289494

This high-quality front oxygen sensor is a precision-engineered automotive component designed specifically for select Mercedes-Benz models. This sensor monitors exhaust gas composition to regulate fuel injection systems forn- Direct replacement for factory-installed sensors - Maintains optimal engine performance - Ensures proper fuel efficiency - Compatible with multiple vehicle generations