Buy OEM GENERAL MOTORS Part # 12575657. Oxygen Sensor (Rear). 1st design. 2.8 liter, front. 2nd design, 4.6 liter. 3.6 liter, front. 5.7 liter, front. CTS; ENGINE CONTROL; 2.8L

Sensor. Oxygen. Heated (O2) (POSN 1). Ft.
1st Design. Oxygen Sensor.

Oxygen Sensor

Fits CTS, SRX, STS

1st design. 2.8 liter, front. 2nd design, 4.6 liter. 3.6 liter, front. 5.7 liter, front. CTS; ENGINE CONTROL; 2.8L; 1st Design. CTS; ENGINE CONTROL; 3.6L. CTS; ENGINE CONTROL; 3.6L; 1st Design. Front, 4.6 liter. SRX; Front. SRX; Front; 3.6L. SRX; Front; 4.6L; Right. STS, STS-V; 4.6L; Front; Right.
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.