DENSO Auto Parts Oxygen Sensor P/N:234-4319
DENSO Auto Parts 234-4381 oxygen sensor for the 2007-2013 Nissan Altima 4-cylinder 2.5L or V6 3.5L and other vehicles measures the oxygen in the exhaust and sends that reading to the engine computer.
A failing oxygen sensor can show up as a check engine light, poor fuel economy or a rough idle, though each of these can have other causes. Before you replace the sensor, rule out exhaust leaks and damaged wiring or connectors, since either can set off a similar warning. This listing is one sensor; the 2007-2013 Nissan Altima 4-cylinder 2.5L or V6 3.5L takes one.
It is listed for a wide range of Nissan and Infiniti models, such as an oxygen sensor for the 2009-2014 Nissan Maxima V6 3.5L and the 2009-2011 Nissan Murano V6 3.5L. If your car isn't named here, look it up in the "Vehicles it fits" section.
Fit and size
Build and materials
This part cross-references / interchanges with the following part numbers:
Is the DENSO 234-4381 the right 2007-2013 Nissan Altima 4-cylinder 2.5L or V6 3.5L oxygen sensor?
Yes. DENSO Auto Parts 234-4381 is listed for the 2007-2013 Nissan Altima 4-cylinder 2.5L or V6 3.5L, and each takes one. For another car, use the "Vehicles it fits" section.
What thread size and wire length does this oxygen sensor have?
The DENSO 234-4381 has a 0.708 in thread diameter and a 10.71 in wiring harness. It has four wires and a male connector.
Is this a heated narrow-band sensor, and where does it go?
Yes, this sensor is heated and narrow-band. It is listed as a downstream sensor, so it sits after the catalytic converter rather than ahead of it.
What does the aluminum oxide trap layer on this DENSO sensor do?
It is a DENSO-exclusive layer on the sensor, designed to keep silicone and lead from poisoning the ceramic element.
How do I know if a downstream oxygen sensor is going bad?
A check engine light, lower fuel economy or a rough idle can be signs, though other faults cause them too. A shop can read the codes and test the sensor to confirm.
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WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.