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|Connector Type:||Direct fit|
|Overall Length:||10.84 in|
|Thread Size:||M18 mm|
|Wire Harness Length:||6.96 in|
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Q:We have two different answers from AAP personnel on whether this sensor is installed upstream (before) or downstream (after) the catalytic converter. Can we get a tie-breaker, please?
A:Hi Chip, I researched and found that this oxygen sensor is for downstream (after) the catalytic converter. For assisting you further please provide the year, make, model and engine size of the vehicle.
Q:Is bank 1 sensor 1 left, upstream or downstream?
A:With reference to your inquiry on the Denso Oxygen Sensor Direct Fit - part# 234-4149, bank 1- sensor 1 is located on upstream of the catalytic converter on bank 1 of the engine. For any further assistance, please feel free to 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.
Q:Dear Seller, kindly provide me with the Lenght of the attached cable / cord with this sensor also advice if this is before or after catalyst
A:The specification of this part Denso Oxygen Sensor Direct Fit, Part No. 234-4149 manufactured by Denso: Screw Type / Flange Type: Screw, Wire Length: 9.65 in., Thread Size: M18, Wires: 4, Mounting location should be After Catalytic Converter.