ACDelco Gold (Professional) Oxygen (O2) Sensors are the high quality alternative to Original Equipment (OE) parts. These sensors are special feedback sensors on your vehicle's exhaust system. They measure the proportion of oxygen in exhaust gases. Using this measurement, the engine control module can adjust the air/fuel ratio to the optimal value. At this ratio, engine performance, emissions, and fuel economy are all optimized. ACDelco Gold (Professional) parts are manufactured to meet your expectations for fit, form, and function, making them a smart choice for General Motors vehicles, as well as most makes and models, including special applications. These high-quality parts are backed by General Motors. Some ACDelco Gold parts may have formerly appeared as ACDelco Professional.

• This part requires programming and/or special setup procedures. GM Service Information describes the procedures and special tools needed to ensure proper operation in the vehicle
• Detects oxygen content in the exhaust gases to help optimize emissions and fuel economy
• Some ACDelco Gold parts may have formerly appeared as ACDelco Professional
• Premium aftermarket replacement part
• Manufactured to meet specifications for fit, form, and function for General Motors vehicles as well as most makes and models

Connector Gender:	Male
Connector Shape:	Radiused Polygon
Height (in):	1.91
Length (in):	19
Length (mm):	480
Mounting Type:	Threaded
Overall Length:	508
Programming Required:	Yes
Sensor Type:	Heated
Thread Diameter:	18
Universal Or Specific Fit:	Specific
Weight (lb):	0.28
Width (in):	2.16
Wire Gauge Measurement:	20
Wire Quantity:	4
Wiring Harness Length:	16.46
Wiring Harness Length:	418.1

• 2002-2006 Infiniti Q45 | Position: Downstream Right
• 2002-2003 Nissan Altima | Position: Downstream
• 2002-2003 Nissan Sentra | Position: Downstream
• 2003-2006 Infiniti FX35 | Position: Downstream Right
• 2003-2005 Infiniti FX45 | Position: Downstream Left
• 2003-2006 Infiniti G35 | Position: Downstream Right
• 2003-2004 Infiniti M45 | Position: Downstream Right
• 2003-2006 Nissan 350Z | Position: Downstream Right
• 2006-2010 Infiniti M45 | Position: Downstream Right
• 2004-2007 Nissan Maxima | Position: Downstream Rear
• 2004-2009 Nissan Quest | Position: Downstream Front
• 2005-2006 Nissan Altima | Position: Downstream Front
• 2005-2012 Nissan Frontier | Position: Downstream Right
• 2005-2012 Nissan Pathfinder | Position: Downstream Right
• 2005-2012 Nissan Xterra | Position: Downstream Right
• 2006-2008 Infiniti FX45 | Position: Downstream Right
• 2006 Infiniti M35 | Position: Downstream Right
• 2009-2012 Suzuki Equator | Position: Downstream Left
• 2012-2015 Nissan NV1500 | Position: Downstream Right
• 2012-2015 Nissan NV2500 | Position: Downstream Right
• 2012-2015 Nissan NV3500 | Position: Downstream Right