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The LSU 4.9 5-Wire Lambda WideBand O2 Sensor is a premium, high-temperature resistant oxygen sensor engineered for precise air-fuel ratio monitoring. Compatible with key AEM Wideband Controllers, it features a durable stainless steel body with double laser welding for extended life and submersion protection. This sensor delivers rapid, stable readings to optimize engine performance and fuel efficiency, backed by a 1-year warranty and dedicated customer support.

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