Seller notes

For 2008-2011 Cadillac STS Oxygen Sensor Downstream Left Walker 43629WDCZ 2009 Review Fitment Notes to Ensure Proper Fit Position: Downstream LeftCondition: NewBrand: WalkerNotes: OE ReplacementSensor Type: HeatedUniversal Or Specific Fit: SpecificWire Quantity: 4Features:Determines the oxygen content of the exhaust gas, monitoring the air fuel ratio for combustion efficiency.Coating prevents contamination and erosion of the electrode surfaces by combustion residue and particulates in the exhaus...

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