4Pcs Air Fuel Ratio & Oxygen Sensors
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This is a COMPLETE SET (Upstream & Downstream). O2 sensors wear out at the same rate (typically 80k-100k miles).
Installation: Upstream sensors screw into the exhaust manifold near the engine. Downstream sensors screw into the pipe after the catalytic converter under the car.
Expert Recommendation: Replacing all sensors together ensures optimal engine performance and saves you from paying mechanic labor costs twice.
Automotive-Leader Sensors
Vehicle Compatible
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Product Specifications
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• Harness: 4-wire, 8.66 in (220mm), Male • Thread: 0.711 in (18.06mm) |
• Harness: 4-wire, 9.45 in (240mm), Male • Thread: 0.708 in (18.0mm) |
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234-4260: 1PCS Upstream Front; Bank 2 Sensor 1;
234-4260: 1PCS Upstream Rear; Bank 1 Sensor 1;
234-9051: 1PCS Downstream Rear; Bank 1 Sensor 2;
234-9051: 1PCS Downstream Front; Bank 2 Sensor 2