NTK Oxygen Sensor P/N:25572
NGK O2 SENSORS 22015 oxygen sensor for the 2006-2011 Ford Focus 4-cylinder 2.0L, the 2007 Focus 4-cylinder 2.3L and other vehicles sends constant closed-loop exhaust feedback to the ECU. The ECU uses that feedback to help control the air-fuel ratio, and the OBDII system uses it to flag fuel delivery or catalytic converter efficiency problems.
Before you replace this sensor, rule out an exhaust leak, damaged wiring or a fuel or ignition fault, because a check engine light, rough running or poor fuel economy can come from any of them. If the sensor is the cause, this one replaces it.
This upstream sensor also fits the 2010-2013 Ford Transit Connect 4-cylinder 2.0L. It is upgraded to the latest OE technologies and designed to reduce OE failures. The listing is one sensor, and every application lists a quantity of one.
Fit and size
Build and materials
Interchange: 234-4107
18029 · 3S4Z9F472DA · OS5572
This part cross-references / interchanges with the following part numbers:
Is NGK 22015 among the Ford Focus oxygen sensors for 2006-2011 models with the 4-cylinder 2.0L?
Yes. NGK O2 SENSORS 22015 fits the 2006-2011 Ford Focus 4-cylinder 2.0L and the 2007 Focus 4-cylinder 2.3L. It is an upstream sensor.
What thread and hex size does the NGK 22015 oxygen sensor have?
NGK O2 SENSORS 22015 has an M18 - 1.5 thread and a 7/8 in (22 mm) hex. It is a heated, switching zirconia type sensor.
Does this upstream oxygen sensor come with connectors and hardware?
Yes. This sensor is equipped with OE-specified, water-resistant connectors and harness accessory hardware for easier installation.
Which warning signs can point to a worn upstream oxygen sensor?
A check engine light with an oxygen sensor code, rough running or a drop in fuel economy can mean the sensor is wearing out. A shop can read the codes and test it.
Does NGK 22015 replace the number 3S4Z9F472DA?
Yes. 3S4Z9F472DA is one of the numbers this sensor replaces, and NGK O2 SENSORS 22015 is the maker's own number for it.
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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.