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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.

Heated Oxygen Sensor

Part Number: 12652845
GM GM
Other Names: Oxygen Sensor
Replaces: 12677120
Description: 2.0L turbo. CTS. 2.0l. Upper. Envision. 2.0l. Bank 1 sen 1. Equinox, Terrain. 2.0l. Upstream. Detects oxygen content in the exhaust...
Fits:
  • Buick:
    • Envision
  • Cadillac:
    • ATS,
    • CT4,
    • CT6,
    • CTS
  • Chevrolet:
    • Camaro,
    • Equinox,
    • Traverse
  • GMC:
    • Terrain
MSRP $97.50
$57.53

Heated Oxygen Sensor

Part Number: 12657188
GM GM
Other Names: Oxygen Sensor
Replaces: 12665163
Description: This part requires programming and/or special setup procedures GM Service Information describes the procedures and special tools needed...
Fits:
  • Cadillac:
    • Escalade,
    • Escalade ESV
  • Chevrolet:
    • Express 2500,
    • Express 3500,
    • Express 4500,
    • LCF 3500,
    • Silverado 1500,
    • Silverado 1500 LD,
    • Silverado 2500 HD,
    • Silverado 3500 HD,
    • Suburban,
    • Suburban 3500 HD,
    • Tahoe
  • GMC:
    • Savana 2500,
    • Savana 3500,
    • Savana 4500,
    • Sierra 1500,
    • Sierra 1500 Limited,
    • Sierra 2500 HD,
    • Sierra 3500 HD,
    • Yukon,
    • Yukon XL
MSRP $61.32
$32.61

Heated Oxygen Sensor

Part Number: 12696642
GM GM
Other Names: Oxygen Sensor
Replaces: 12679687
Description: CT6. 4.2l. Canister & sensors, 4.2l twin-turbo, bank 1 sensor 2. This part requires programming and/or special setup procedures GM...
Fits:
  • Cadillac:
    • CT6
MSRP $84.46
$56.81

Heated Oxygen Sensor

Part Number: 19178918
GM GM
Notes: Order by engine equipment, transmission type and vehicle series.
Other Names: Oxygen Sensor, afs105
Replaces: 25312200
Description: Detects oxygen content in the exhaust gases to help optimize emissions This GM Genuine Part is designed, engineered, and tested to...
Fits:
  • Cadillac:
    • Escalade
  • Chevrolet:
    • Astro,
    • Blazer,
    • C1500,
    • C2500,
    • C3500,
    • C3500HD,
    • Express 1500,
    • Express 2500,
    • Express 3500,
    • K1500 Pickup,
    • K2500 Pickup,
    • K3500 Pickup,
    • S10,
    • Suburban C1500,
    • Suburban C2500,
    • Suburban K1500,
    • Suburban K2500,
    • Tahoe
  • GMC:
    • C1500 Pickup,
    • C2500 Pickup,
    • C3500 Pickup,
    • C3500HD,
    • Jimmy,
    • K1500 Pickup,
    • K2500 Pickup,
    • K3500 Pickup,
    • Safari,
    • Savana 1500,
    • Savana 2500,
    • Savana 3500,
    • Sonoma,
    • Suburban C1500,
    • Suburban C2500,
    • Suburban K1500,
    • Suburban K2500,
    • Yukon
  • Oldsmobile:
    • Bravada
MSRP $142.96
$36.41

Heated Oxygen Sensor

Part Number: 19178924
GM GM
Other Names: Oxygen Sensor, afs123
Replaces: 12587214, 19178921, 25161130, 25312196, 25312207
Description: Detects oxygen content in the exhaust gases to help optimize emissions This GM Genuine Part is designed, engineered, and tested to...
Fits:
  • Buick:
    • Century,
    • LeSabre,
    • Park Avenue,
    • Regal,
    • Rendezvous,
    • Riviera
  • Chevrolet:
    • Camaro,
    • Lumina,
    • Lumina APV,
    • Monte Carlo,
    • S10,
    • Venture
  • GMC:
    • S15,
    • Sonoma
  • Oldsmobile:
    • 88,
    • 98,
    • Aurora,
    • Cutlass Ciera,
    • Cutlass Supreme,
    • Intrigue,
    • LSS,
    • Regency,
    • Silhouette
  • Pontiac:
    • Aztek,
    • Bonneville,
    • Firebird,
    • Grand Prix,
    • Montana,
    • Trans Sport
MSRP $138.20
$81.54

Heated Oxygen Sensor

Part Number: 19178934
GM GM
Notes: Order by engine equipment, transmission type and vehicle series.
Other Names: Oxygen Sensor, afs93
Replaces: 25312191
Description: All models. 7.4l. On manifold. Express, savana. All models. 5.0l, 5.7l. 4l80e, manual trans. Without diesel. Over 8500 gvw. Front. 4.3l,...
Fits:
  • Cadillac:
    • Escalade
  • Chevrolet:
    • C1500,
    • C2500,
    • C3500,
    • C3500HD,
    • Express 2500,
    • Express 3500,
    • K1500 Pickup,
    • K2500 Pickup,
    • K3500 Pickup,
    • P30,
    • 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 2500,
    • Savana 3500,
    • Suburban C1500,
    • Suburban C2500,
    • Suburban K1500,
    • Suburban K2500,
    • Yukon
MSRP $146.38
$86.36

Heated Oxygen Sensor

Part Number: 19184901
GM GM
Other Names: Oxygen Sensor, 5195
Replaces: 88975495
Description: Front. 2.4L. This part requires programming and/or special setup procedures GM Service Information describes the procedures and special...
Fits:
  • Pontiac:
    • Vibe
MSRP $219.22
$153.45

Heated Oxygen Sensor

Part Number: 19209812
GM GM
Other Names: Oxygen Sensor, 5887
Replaces: 19210423, 25333817
Description: All models. 6.0l. Left. 3/4, 1 ton. Left. 1/2 ton. With crew cab pick-up. Rear of converter, 6.0l. This part requires programming and/or...
Fits:
  • Cadillac:
    • Escalade,
    • Escalade ESV,
    • Escalade EXT
  • Chevrolet:
    • Avalanche 2500,
    • Silverado 1500,
    • Silverado 1500 Classic,
    • Silverado 1500 HD,
    • Silverado 1500 HD Classic,
    • Silverado 2500,
    • Silverado 2500 HD,
    • Silverado 2500 HD Classic,
    • Silverado 3500,
    • Silverado 3500 Classic,
    • Silverado 3500 HD,
    • Suburban 1500,
    • Suburban 2500
  • GMC:
    • Sierra 1500,
    • Sierra 1500 Classic,
    • Sierra 1500 HD,
    • Sierra 1500 HD Classic,
    • Sierra 2500,
    • Sierra 2500 HD,
    • Sierra 2500 HD Classic,
    • Sierra 3500,
    • Sierra 3500 Classic,
    • Sierra 3500 HD,
    • Yukon,
    • Yukon XL 1500,
    • Yukon XL 2500
MSRP $147.66
$87.12

Heated Oxygen Sensor

Part Number: 19209815
GM GM
Other Names: Oxygen Sensor, 5889
Replaces: 12590847, 12599205
Description: This part requires programming and/or special setup procedures GM Service Information describes the procedures and special tools needed...
Fits:
  • Cadillac:
    • CTS,
    • Escalade,
    • Escalade ESV,
    • Escalade EXT
  • Chevrolet:
    • Avalanche,
    • Silverado 1500,
    • Silverado 1500 Classic,
    • Silverado 2500 HD,
    • Silverado 3500 HD,
    • Suburban 1500,
    • Suburban 2500,
    • Tahoe
  • GMC:
    • Sierra 1500,
    • Sierra 1500 Classic,
    • Sierra 2500 HD,
    • Sierra 3500 HD,
    • Yukon,
    • Yukon XL 1500,
    • Yukon XL 2500
  • Hummer:
    • H2
Backordered

Heated Oxygen Sensor

Part Number: 19316342
GM GM
Other Names: Oxygen Sensor
Description: City Express. Upstream. This part requires programming and/or special setup procedures GM Service Information describes the procedures...
Fits:
  • Chevrolet:
    • City Express
MSRP $402.66
$225.49

Rear Oxygen Sensor

Part Number: 19355312
GM GM
Applications: W/SUBURBAN 3500HD.
Other Names: Oxygen Sensor, Hub & Bearing, Sensor, 8482
Replaces: 19178933, 23327366, 25317697
Description: Corvette. Post-converter. Suburban 3500hd.
Fits:
  • Chevrolet:
    • Corvette,
    • Suburban 3500 HD
MSRP $172.86
$101.99

Heated Oxygen Sensor

Part Number: 12565414
GM GM
Other Names: Oxygen Sensor, 811
Replaces: 12563345
Description: Detects oxygen content in the exhaust gases to help optimize emissions This GM Genuine Part is designed, engineered, and tested to...
Fits:
  • Chevrolet:
    • C2500,
    • C3500,
    • K2500 Pickup,
    • K3500 Pickup
  • GMC:
    • C2500 Pickup,
    • C3500 Pickup,
    • K2500 Pickup,
    • K3500 Pickup
MSRP $139.42
$82.26

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