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GM Oxygen Sensors

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Why Oxygen Sensors are Vital for Pontiac Performance

Oxygen sensors are essential to your Pontiac's engine management system. They monitor the quantity of oxygen in your exhaust gases, allowing the engine control unit (ECU) to alter the air-fuel ratio for the best combustion. This modification is critical for preserving optimal engine performance, lowering harmful emissions, and increasing fuel efficiency. Faulty oxygen sensors can cause poor engine performance, increased fuel consumption, and greater emissions; thus, it is critical to keep them in good condition.

Understanding the Function of Oxygen Sensors

Oxygen sensors are commonly situated in the exhaust manifold, measuring oxygen levels in exhaust gases. These sensors transmit data to the ECU, which modifies the fuel injection system accordingly. There are two types of oxygen sensors: pre-catalytic and post-catalytic. Upstream sensors govern the air-fuel mixture, while downstream sensors check the catalytic converter's performance.

Choosing the Proper Oxygen Sensors for Your Pontiac

When choosing oxygen sensors for your Pontiac, ensure they are high-quality and suitable. OEM sensors are frequently the best option because they are custom-made for your vehicle. Aftermarket sensors are possible, but careful selection is required to assure compatibility and performance. Consider sensor kind, cable length, and connection design while making your decision.

Maintaining and Replacing Oxygen Sensors

Regular maintenance and replacement of oxygen sensors are critical for peak performance. Check your Pontiac's oxygen sensors every 60,000 to 90,000 miles. A decline in fuel economy, rough idling, and an illuminated check engine light indicate that your oxygen sensors may require repair. Replacing malfunctioning sensors can improve your Pontiac's performance and avoid more engine damage.

Ask us here to find the right parts and accessories for your needs.

Oxygen Sensor

Part Number: 90540985
GM GM
Other Names: Rear Oxygen Sensor, Sensor
Description: Catera. Rear.
Fits:
  • Cadillac:
    • Catera
$45.87

Oxygen Sensor

Part Number: 12718675
GM GM
Other Names: Sensor
Replaces: 12673516, 12676705
Description: NOX Sensor.
Fits:
  • Chevrolet:
    • Silverado 2500 HD,
    • Silverado 3500 HD
  • GMC:
    • Sierra 2500 HD,
    • Sierra 3500 HD
MSRP $540.96
$302.94

Oxygen Sensor

Part Number: 12696736
GM GM
Other Names: Lower Oxygen Sensor, F (S)Sensor
Description: Canister & sensors, 6.2L. CT5. 6.2l. Downstream. Left.
Fits:
  • Cadillac:
    • CT5
MSRP $62.42
$36.83

Oxygen Sensor

Part Number: 21022009
GM GM
Other Names: Sensor Kit
Description: Dohc, calif. Emission.
Fits:
  • Saturn:
    • SC1,
    • SC2,
    • SL,
    • SL1,
    • SL2,
    • SW1,
    • SW2
MSRP $109.82
$76.87

Oxygen Sensor

Part Number: 19355306
GM GM
Other Names: Sensor, afs106
Replaces: 19178116, 25312201
Fits:
  • Cadillac:
    • Escalade,
    • Escalade EXT
  • Chevrolet:
    • Avalanche 1500,
    • Avalanche 2500,
    • C1500,
    • C2500,
    • C3500,
    • C3500HD,
    • Express 1500,
    • Express 2500,
    • Express 3500,
    • K1500 Pickup,
    • K2500 Pickup,
    • K3500 Pickup,
    • P30,
    • Silverado 1500,
    • Silverado 1500 HD,
    • Silverado 2500,
    • Silverado 2500 HD,
    • Silverado 3500,
    • Suburban 1500,
    • Suburban 2500,
    • Suburban C1500,
    • Suburban C2500,
    • Suburban K1500,
    • Suburban K2500,
    • Tahoe
  • GMC:
    • C1500 Pickup,
    • C2500 Pickup,
    • C3500 Pickup,
    • C3500HD,
    • K1500 Pickup,
    • K2500 Pickup,
    • K3500 Pickup,
    • P3500,
    • Savana 1500,
    • Savana 2500,
    • Savana 3500,
    • Sierra 1500,
    • Sierra 1500 HD,
    • Sierra 2500,
    • Sierra 2500 HD,
    • Sierra 3500,
    • Suburban C1500,
    • Suburban C2500,
    • Suburban K1500,
    • Suburban K2500,
    • Yukon,
    • Yukon XL 1500,
    • Yukon XL 2500
MSRP $116.86
$68.95

Oxygen Sensor

Part Number: 12705409
GM GM
Other Names: Upper Oxygen Sensor, F (S)Sensor
Description: CT5. 6.2l. Upstream. Right. Canister & sensors, 6.2L.
Fits:
  • Cadillac:
    • CT5
MSRP $93.52
$55.18

Oxygen Sensor

Part Number: 12705534
GM GM
Other Names: Upper Oxygen Sensor, F (S)Sensor
Description: Upstream. Equinox, Terrain. 1.5l. 1.5, 2.0L, 1.5L. Colorado. 2.7l. Canyon. 2.7l. Awd. Fwd.
Fits:
  • Chevrolet:
    • Colorado,
    • Equinox,
    • Silverado 1500
  • GMC:
    • Canyon,
    • Sierra 1500,
    • Terrain
MSRP $98.78
$58.28

Oxygen Sensor

Part Number: 12702181
GM GM
Other Names: Upper Oxygen Sensor, Sensor
Replaces: 12688831, 12697487
Description: Silverado, sierra. 4.3l. Upstream. Right. 4.3, 5.3, 6.2L, 4.3L.
Fits:
  • Chevrolet:
    • Silverado 1500
  • GMC:
    • Sierra 1500
MSRP $85.06
$50.19

Oxygen Sensor

Part Number: 19418989
GM GM
Other Names: F (S)Sensor
Replaces: 12622557, 12635522
Description: 2010-16, egr valve & related components, at turbo exh pipe.
Fits:
  • Chevrolet:
    • Express 2500,
    • Express 3500
  • GMC:
    • Savana 2500,
    • Savana 3500
MSRP $69.22
$40.84

Oxygen Sensor

Part Number: 25203197
GM GM
Other Names: Lower Oxygen Sensor, Sensor
Replaces: 55503721
Description: 1.2L turbo. Encore GX. Trailblazer. Trax. Downstream. Envista.
Fits:
  • Buick:
    • Encore GX,
    • Envista
  • Chevrolet:
    • Trailblazer,
    • Trax
MSRP $52.69
$35.44

Oxygen Sensor

Part Number: 25312199
GM GM
Other Names: Sensor, afs101
Fits:
  • Chevrolet:
    • Beretta,
    • Corsica
MSRP $197.20
$138.04

Oxygen Sensor

Part Number: 91177409
GM GM
Other Names: Sensor, 15755
Replaces: 96068439
Description: Front. Metro. All.
Fits:
  • Chevrolet:
    • Metro
MSRP $158.72
$111.10

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