Premium Upstream Sensor. The O2 Oxygen Sensor Upstream accurately measures oxygen levels in exhaust gases before they pass through the catalytic converter. It plays a critical role in optimizing the engine’s fuel mixture, improving performance, and reducing emissions by sending precise data to the vehicle’s computer.

Durable Stainless Steel. Constructed using double-layered 310S stainless steel for enhanced resistance to moisture and debris, this sensor is isostatically-pressed and plasma-sprayed to bolster strength and sensitivity. It features a thimble design with an 18 mm threaded body and a heated element to ensure reliable function in varied conditions.

Straightforward Installation. Designed for direct fit replacement with no modifications needed, installation requires standard tools and involves threading the sensor into place using the appropriate socket. No drilling or specialized adjustments are necessary.

Reliable Lifetime Warranty. This part includes a limited lifetime warranty covering manufacturing defects for long-term peace of mind.

Application. Specifically engineered to fit 2003-2013 V8 Silverado 1500 models as an upstream oxygen sensor, ensuring proper vehicle compatibility and performance.

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