Upstream Oxygen Sensor – Front Left & Right for 2007–2012 Sprinter / Mercedes OM Engines

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Upgrade or replace your Sprinter or Mercedes OM-series engine’s upstream oxygen (O₂) sensor with this premium BOSCH sensor, designed for front left and right positions. Engineered for precise airflow monitoring, it communicates with the ECU to maintain the correct air-to-fuel ratio, ensuring smooth idle, optimal performance, improved fuel efficiency, and emissions control. Fits 2007–2012 models, including vehicle series: 164, 171, 197, 203, 204, 209, 211, 212, 216, 221, and 230. Over time, worn or failing sensors can trigger rough idle, reduced power, poor fuel economy, or check-engine lights. This direct-fit replacement restores reliable engine responsiveness, protects your catalytic converter, and keeps your engine running efficiently. Easy to install, this BOSCH O₂ sensor provides long-lasting durability, whether for DIY repairs or professional maintenance.

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