BBK Performance Oxygen Sensor Extension Harnesses, 12 in. Length, Rear, Chevy, Pair - 11221
BBK Performance Oxygen Sensor Extension Harnesses, 12 in. Length, Rear, Chevy, Pair - 11221
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- Ships direct from the brand or supplier
- Tracking emailed when it ships
- Free fitment check before you order
Listed for: Chevrolet PairFitment notes & questions
Enhance your vehicle's performance with the BBK Performance O2 Harness, expertly designed for manual models equipped with full-length headers. This oxygen sensor extension harness ensures optimal connectivity for downstream oxygen sensors, promoting accurate engine readings and improved efficiency.
- Tailored Fit: Specifically designed for manual vehicles with full-length headers, ensuring seamless integration.
- 12-Inch Length: Offers the perfect length for easy installation and reliable connections.
- Sold as a Pair: Comes with two harnesses, allowing for a complete setup for both downstream sensors.
- High-Quality Construction: Built to withstand the rigors of performance driving while maintaining reliable sensor functionality.
This oxygen sensor harness set is essential for optimizing your exhaust system's performance and maintaining engine efficiency. Upgrade your setup with BBK Performance today!

Before you order: Chevrolet Pair sensor fitment
Sensors tell the engine computer what is happening so it can adjust fuel, timing and gauges.
Fitment notes
- Listed for: Chevrolet Pair.
- Specs, lead time and warranty come from the manufacturer and supplier and can change. The details above this guide are the latest we have.
Not sure it fits? Send us your year, make, model, engine and trim and we'll check before you order.
Ask about fitmentPlan the whole job
- Connector and wiring. Corroded connectors mimic a bad sensor.
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