See Item Specifics section for additional specifications about this part.

Vehicle Fitment Summary

To confirm that this part fits your vehicle, enter your vehicle's Year, Make, Model, Trim and Engine in theCompatibility Table. Also review the notes section in the compatibility chart for additional specifications about this part.

This part generally fits Cadillac vehicles and includes models such as CTS,SRX,STS with the trims of Base Sedan 4-Door,Base Sport Utility 4-Door. The engine types may include 2.8L 2792CC 170Cu. In. V6 GAS DOHC Naturally Aspirated,3.6L 3564CC 217Cu. In. V6 GAS DOHC Naturally Aspirated,4.6L 281Cu. In. V8 GAS DOHC Naturally Aspirated. This part fits vehicles made in the following years 2005 ,2006,2007,2008,2009.

To confirm that this part fits your vehicle, enter your vehicle's Year, Make, Model, Trim and Engine in theCompatibility Table. Also review the notes section in the compatibility chart for additional specifications about this part.

Superseded Part Numbers

This item may have been superseded from a different part number from this manufacture. This is only provided for reference, the part being sold is not guaranteed to be equivalent to any of the part numbers below. To confirm that this part fits your vehicle, enter your vehicle's Year, Make, Model, Trim and Engine in theCompatibility Table.

Brand:GM OEM
Part Numbers:12588879

Interchange Part Numbers

This item may interchange to the following part numbers from other brands. This is provided for reference only and does not guarantee that the part your are buying is identical to the part numbers from the brands listed below. To confirm that this part fits your vehicle, enter your vehicle's Year, Make, Model, Trim and Engine in theCompatibility Table.

Brands:ACDELCO GM ORIGINAL EQUIPMENT CANADA,ACDELCO GM ORIGINAL EQUIPMENT,AIRTEX ENG MGMT SYSTEMS,AUTOPART INTERNATIONAL,AUTOZONE/DENSO,AUTOZONE/DURALAST-WELLS,AUTOZONE/NTK SENSORS,BWD AUTOMOTIVE,CARQUEST,CARQUEST/DENSO,DENSO,GM GENUINE PARTS CANADA,GM GENUINE PARTS,HELLA,NGK CANADA BASE NUMBERS,NGK CANADA/NTK SENSORS,NGK USA STOCK NUMBERS,NGK USA/NTK SENSORS,OEXTRA,PERITUS,PIERBURG BY HELLA,SPECTRA PREMIUM MOBILITY SOLUTIONS,STANDARD IMPORT,STANDARD MOTOR PRODUCTS,VEMO,WALKER PRODUCTS INC,WELLS,WORLDPAC WP2
Part Numbers:17205,17300,213-3240,234-5007,234-5110,24319,24327,250-25038,350-35013,358103141,5S8165,OS2369,OS5525,REA1844,SG1536,SU9631,V10-76-0112-1,WKK250-25038,WP-205501-ACD,WP-205501-BOS,WP-316662-BOS,WP-689919-ND

Other Information

The part or sub-assembly you are purchasing is a Genuine OEM Factory Original part sold by an authorized Genuine OEM parts reseller. The part is not "like OEM", it is the Genuine OEM part sold by the vehicle manufacturer.

The part or sub-assembly you are buying may be referenced on a diagram above. The diagram above is a Genuine Factory image from the vehicle manufacturer showing the entire assembly surrounding the part or sub-assembly you are purchasing. ONLY the single part or sub-assembly specified in the callout "Part Ref# on Diagram" is being sold to you. Parts are shown individually with their own Ref #, while sub-assemblies may show multiple parts within a square or circle in the diagram with its own corresponding Ref #. You can find the part or sub-assembly being sold by locating the correct Part Reference # on the diagram.

Note: Sometimes the same Reference number can appear multiple times on one diagram. Typically only ONE part from ONE of the callouts will be included. See the Compatibility table "Notes" section for details about the part you are buying. If you have questions, please contact us before buying to avoid confusion.

Additional Information

"Genuine GM Front Heated Oxygen Sensor (Position 1) 12596327 for Cadillac CTS 2004-09 (per title), SRX 05-06, STS 05-07 V6\/V8 engines. New OEM direct fit (qty 2). Programming may be required. Driver's upstream tight; use O2 socket, anti-seize. 1-year warranty [AutoPartsPrime](https:\/\/www.autopartsprime.com\/gm\/sensor-heated-oxygen-position-1\/oe-12596327), [GMPartsGiant](https:\/\/www.gmpartsgiant.com\/parts\/gm-sensor-12596327.html)."

RETURN POLICY

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WARRANTY

Warranty Duration:1 Year
Warranty Type:Manufacturer Warranty