Walker 350-34223 Oxygen Sensor | O2 Sensor | Chevrolet | GMC | Cadillac

Restore proper fuel mixture and engine performance with the Walker 350-34223 oxygen sensor. This direct-fit O2 sensor monitors exhaust oxygen levels and communicates with the engine control module to help maintain optimal fuel delivery, improve fuel efficiency, and reduce emissions.

Walker oxygen sensors are engineered for reliable performance and durability, helping resolve common issues such as check engine lights, poor fuel economy, rough idle, and emissions failures.

Designed as a direct replacement for the factory oxygen sensor, installation is straightforward with the correct connector and wiring configuration.

Interchangeable Part Numbers:
Walker 350-34223 | Bosch 15717 | Denso 234-4668 | Delphi ES20052 | ACDelco 213-4229 | NTK 24502

Replaces:
Factory oxygen sensor | Faulty O2 sensor causing check engine light or poor fuel economy

OEM / OE:
GM 12609457 | GM 12590794 | GM 213-4229

Compatibility:

2007 Chevrolet Silverado 1500 4.8L
2007 Chevrolet Silverado 1500 5.3L
2007 Chevrolet Silverado 1500 6.0L
2008 Chevrolet Silverado 1500 4.8L
2008 Chevrolet Silverado 1500 5.3L
2008 Chevrolet Silverado 1500 6.0L
2009 Chevrolet Silverado 1500 4.8L
2009 Chevrolet Silverado 1500 5.3L
2009 Chevrolet Silverado 1500 6.0L
2010 Chevrolet Silverado 1500 4.8L
2010 Chevrolet Silverado 1500 5.3L
2010 Chevrolet Silverado 1500 6.0L
2011 Chevrolet Silverado 1500 4.8L
2011 Chevrolet Silverado 1500 5.3L
2011 Chevrolet Silverado 1500 6.0L
2012 Chevrolet Silverado 1500 4.8L
2012 Chevrolet Silverado 1500 5.3L
2012 Chevrolet Silverado 1500 6.0L
2013 Chevrolet Silverado 1500 4.3L
2013 Chevrolet Silverado 1500 4.8L
2013 Chevrolet Silverado 1500 5.3L

2007 GMC Sierra 1500 4.8L
2007 GMC Sierra 1500 5.3L
2007 GMC Sierra 1500 6.0L
2008 GMC Sierra 1500 4.8L
2008 GMC Sierra 1500 5.3L
2008 GMC Sierra 1500 6.0L
2009 GMC Sierra 1500 4.8L
2009 GMC Sierra 1500 5.3L
2009 GMC Sierra 1500 6.0L
2010 GMC Sierra 1500 4.8L
2010 GMC Sierra 1500 5.3L
2010 GMC Sierra 1500 6.0L
2011 GMC Sierra 1500 4.8L
2011 GMC Sierra 1500 5.3L
2011 GMC Sierra 1500 6.0L
2012 GMC Sierra 1500 4.8L
2012 GMC Sierra 1500 5.3L
2012 GMC Sierra 1500 6.0L
2013 GMC Sierra 1500 4.3L
2013 GMC Sierra 1500 4.8L
2013 GMC Sierra 1500 5.3L

2007 Cadillac Escalade 6.2L
2008 Cadillac Escalade 6.2L
2009 Cadillac Escalade 6.2L
2010 Cadillac Escalade 6.2L
2011 Cadillac Escalade 6.2L
2012 Cadillac Escalade 6.2L
2013 Cadillac Escalade 6.2L