Ruiya 2Pcs Upstream & Downstream Oxygen Sensor For 2007-2004 Pontiac Grand Prix 3.8L, 2004-2008 Buick Lacrosse, Lucerne 3.8L

Description：<br> The oxygen sensor, located either upstream or downstream of the catalytic converter, is designed to monitor the air-fuel mixture under idle, moderate acceleration, and cruise conditions. Symptoms of a faulty or bad oxygen sensor include bad gas mileage, rough idle, reduced drivability, and an illuminated check-engine light. <br><br> Fitment：<br> 2007-2005 BUICK ALLURE V6-3.8 Exc. Calif.; Position: 1 Upstream &amp; 1 Downstream Oxygen Sensor<br> 2007-2005 BUICK LACROSSE V6-3.8 Exc. Calif.; Position: 1 Upstream &amp; 1 Downstream Oxygen Sensor<br> 2005-2004 BUICK LESABRE V6-3.8 Position: 1 Upstream &amp; 1 Downstream Oxygen Sensor<br> 2008-2007 BUICK LUCERNE V6-3.8 Exc. Calif.; Position: 1 Upstream &amp; 1 Downstream Oxygen Sensor<br> 2006 BUICK LUCERNE V6-3.8 Position: 1 Upstream &amp; 1 Downstream Oxygen Sensor<br> 2005-2004 BUICK PARK AVENUE V6-3.8 Position: 1 Upstream &amp; 1 Downstream Oxygen Sensor<br> 2004 BUICK REGAL V6-3.8 Position: 1 Upstream &amp; 1 Downstream Oxygen Sensor<br> 2005-2004 CHEVROLET IMPALA V6-3.8 Position: 1 Upstream &amp; 1 Downstream Oxygen Sensor<br> 2005-2004 CHEVROLET MONTE CARLO V6-3.8 Position: 1 Upstream &amp; 1 Downstream Oxygen Sensor<br> 2007-2005 PONTIAC GRAND PRIX V6-3.8 Non-Supercharged; Exc. Calif.; Position: 1 Upstream &amp; 1 Downstream Oxygen Sensor<br> 2007-2005 PONTIAC GRAND PRIX V6-3.8 Supercharged; Position: 1 Upstream &amp; 1 Downstream Oxygen Sensor<br> 2004 PONTIAC GRAND PRIX V6-3.8 Position: 1 Upstream &amp; 1 Downstream Oxygen Sensor<br>

• Manufacturer Part Number:B2OS023
• Placement on Vehicle: Upstream, Downstream
• Manufacturer Warranty:1 Year

Fits Select:
2004-2005 BUICK LESABRE CUSTOM 6 Cyl 3.8 L
2006-2008 BUICK LUCERNE CXL 6 Cyl 3.8 L
2006-2007 PONTIAC GRAND PRIX 6 Cyl 3.8 L
2005 PONTIAC GRAND PRIX GT 6 Cyl 3.8 L
2004 PONTIAC GRAND PRIX GT2 6 Cyl 3.8 L
2004-2005 CHEVROLET IMPALA LS 6 Cyl 3.8 L
2005 BUICK ALLURE CXL 6 Cyl 3.8 L
2006 BUICK LACROSSE CXL 6 Cyl 3.8 L
2007 BUICK LACROSSE CX 6 Cyl 3.8 L
2004 CHEVROLET MONTE CARLO SS SUPERCHARGED 6 Cyl 3.8 L
2004 BUICK REGAL LS 6 Cyl 3.8 L
2004-2005 BUICK PARK AVENUE 6 Cyl 3.8 L
2005 CHEVROLET MONTE CARLO LT 6 Cyl 3.8 L
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Manufacturer part number	MF-B2OS023
Vehicle make	Buick
Vehicle model	B2OS023
Brand	Ruiya
Vehicle fitment type	Specific
Vehicle type	Car
Model	B2OS023
Pack quantity	1