2003 GMC Envoy XL Oxygen Sensor (Rear, Upper, Lower) - 12578624

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Part Number: 12578624 ; 24577303

Sensor. Oxygen.
Oxygen Sensor. Heated (O2) (POSN 2). Center Pillar trim plug. Ft. Snsr.

Oxygen Sensor

2.2 LITER, at converter. 2.4 LITER. 4.2 liter. All Models; 4.2L; Rear. Canyon, Colorado; w/o 5.3L; Rear. G6; Rear; 2.4L. Malibu, Malibu Maxx; 2.2L; Rear.
Oxygen Sensor - Repair or Replace
A failed Oxygen Sensor will often have no noticeable symptoms beyond a check engine light, but it does cause your to operate inefficiently and produce higher emissions. Our technicians have access to manufacturer-approved repair processes and genuine parts.

Diagrams and Kits What This Fits

Assemblies

Fitment/Applications

This product fits 1021 vehicle variants.
Buick: 1 models, 8 variants between 2004 and 2005.
Chevrolet: 4 models, 485 variants between 2002 and 2008.
GMC: 4 models, 520 variants between 2002 and 2005.
Oldsmobile: 1 models, 6 variants between 2002 and 2004.
Pontiac: 1 models, 2 variants between 2006 and 2007.