NGK O2 SENSORS 24411 oxygen sensor for the 2004-2006 Scion xA 4-cylinder 1.5L and other vehicles sends the ECU closed-loop feedback on exhaust oxygen. That feedback helps control the air-fuel ratio and lets the on-board diagnostic system flag fuel delivery or catalytic converter efficiency problems.
A worn upstream oxygen sensor can show up as a check engine light, rougher running or lower fuel economy. These signs alone do not prove the sensor is the problem, since a vacuum leak can cause them too.
This upstream oxygen sensor also fits the 2004-2006 Scion xB 4-cylinder 1.5L and the 2003-2005 Toyota Echo 4-cylinder 1.5L.
Fit and size
Build and materials
One oxygen sensor. The fitment calls for a single sensor per car.
Interchange: 75-2529 · 234-4524
OS1572 · 15274 · OS5521 · SG818 · 8946552190
This part cross-references / interchanges with the following part numbers:
Is this the right oxygen sensor for the 2004-2006 Scion xB 4-cylinder 1.5L?
Yes. NGK O2 SENSORS 24411 is listed for the 2004-2006 Scion xB 4-cylinder 1.5L as an upstream sensor, one per car.
What hex size and thread does this upstream oxygen sensor have?
The hex size is 22 mm (7/8 in) and the thread is M18 - 1.5.
Is this oxygen sensor heated, and what type is it?
Yes. This upstream sensor is heated and is a narrow-band switching zirconia type.
Does this oxygen sensor come with a connector?
Yes. It is equipped with water-resistant connectors and harness accessory hardware for installation.
Is NGK 24411 a replacement for number 234-4524?
Yes. 234-4524 is one of the numbers listed with NGK O2 SENSORS 24411, along with 75-2529, OS1572 and SG818.
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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.