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|Harness Length:||10.1 in|
|Length (Sealing Surface To End Of Connector):||12.2 in|
|Overall Length:||13.4 in|
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Q:is the the upstream or the drownstream??
A:This Bosch Premium Oxygen Sensor - part# 15543 would be for both upstream and downstream based on the vehicle. For assisting you further, please provide the year, make, model and engine size of the vehicle. You may also call us at: 1-877-238-2623 or visit the nearest Advance Auto Parts store and one of our Parts Pros will gladly assist you with any questions or concerns you may have.