Oxygen Sensors

One of the most important sensors on a vehicle is the oxygen sensor. Every car built after 1980 has one or even more oxygen sensors. One of reasons oxygen sensors were installed was to cut back on emissions. The ultimate reason for the oxygen sensor is to cut emissions and help the vehicle run as efficiently as possible. You can consult your vehicle’s owner’s manual for information on when you should replace your oxygen sensor, but general guidelines say:

1976 to early 1990s vehicles, every 30,000 – 50,000 miles

Mid-1980s to mid-1990s vehicles, every 60,000 miles

Mid-1990s and newer vehicles, every 100,000 miles

Since oxygen sensors are so important to gas mileage, they should be replaced when in doubt. Other things can cause an oxygen sensor to fail, such as leaded fuel, excessive oil consumption (the condition of your spark plugs can alert you to this), road salt, oil, and dirt.

Oxygen Sensor
12606671
Positions: Front
Other Names: Ft Oxygen Sensor, Sensor More
Description: Aura Green Line, Aura. Front (position 1). Equinox, Terrain. Malibu Hybrid. Captiva Sport. Vue Hybrid. Solstice. HHR. Sky. G6. 2.4l.... More
Fits:
  • Chevrolet:
    • Captiva Sport,
    • Equinox,
    • HHR,
    • Malibu
  • GMC:
    • Terrain
  • Pontiac:
    • G6,
    • Solstice
  • Saturn:
    • Aura,
    • Sky,
    • Vue
  • 5 more
$83.06
$46.93
$83.06
$46.93
Oxygen Sensor
12617332
Positions: Left Front, Right Front
Other Names: Ft Oxygen Sensor, Sensor More
Description: Caprice PPV. Eng. ls9, ls7. Corvette. Camaro. SS. 6.0L. Front. 2010, 6.2L. 2011-15, 6.2L. 2011-15, 7.0L. With supercharged. More
Fits:
  • Chevrolet:
    • Camaro,
    • Caprice,
    • Corvette,
    • SS
$129.65
$71.31
$129.65
$71.31
Oxygen Sensor
12607410
Positions: Right Front, Left Front
Other Names: Ft Oxygen Sensor, Sensor More
Description: CTS-v. Front. Coupe, 6.2L. Sedan, 6.2L. More
Fits:
  • Cadillac:
    • CTS
$81.03
$45.79
$81.03
$45.79
Oxygen Sensor
12615194
Positions: Right Rear, Left Rear
Other Names: Rear Oxygen Sensor, Sensor More
Description: CTS-v. Rear. Coupe, 6.2L. Wagon, 6.2L. Sedan, 6.2L. More
Fits:
  • Cadillac:
    • CTS
  • Hummer:
    • H2
$111.42
$61.28
$111.42
$61.28
Oxygen Sensor
12612571
Positions: Left Rear, Right Rear
Other Names: Sensor More
Description: Express, savana. Gas. Without diesel, rear. More
Fits:
  • Chevrolet:
    • Express 1500,
    • Express 2500,
    • Express 3500
  • GMC:
    • Savana 1500,
    • Savana 2500,
    • Savana 3500
  • 1 more
$119.52
$65.74
$119.52
$65.74
Oxygen Sensor
12609456
Positions: Left Rear, Right Rear
Other Names: Rear Oxygen Sensor, Sensor More
Description: Hummer H2. Rear. 4.3L. Silverado, sierra. More
Fits:
  • Chevrolet:
    • Silverado 1500
  • GMC:
    • Sierra 1500
  • Hummer:
    • H2
$81.03
$45.79
$81.03
$45.79
Oxygen Sensor
12616203
Positions: Left Rear, Right, Right Rear
Other Names: Rear Oxygen Sensor, Sensor More
Description: STS, STS-v. Camaro. CTS. 3.6. Rear. Wagon,. Right. Sedan, 3.0L. Sedan, 3.6L, auto trans. 2010, 3.6L, manual trans. Sedan, 3.6L, manual... More
Fits:
  • Cadillac:
    • CTS,
    • STS
  • Chevrolet:
    • Camaro
$103.65
$57.00
$103.65
$57.00
Oxygen Sensor
12596688
Other Names: Sensor More
Description: Equinox, Torrent. 3.6L, at converter. More
Fits:
  • Chevrolet:
    • Equinox
  • Pontiac:
    • Torrent
$160.04
$88.02
$160.04
$88.02
Oxygen Sensor
12598718
Positions: Rear
Other Names: Rear Oxygen Sensor, Sensor More
Description: Rear (position 2). Solstice. Sky. 2.4L. More
Fits:
  • Pontiac:
    • Solstice
  • Saturn:
    • Sky
$109.39
$60.17
$109.39
$60.17
Oxygen Sensor
12611127
Positions: Front
Other Names: Ft Oxygen Sensor, Sensor More
Description: Front (position 1). Cobalt. HHR. G5. 2.4L. Canister & sensors, 2.2l. More
Fits:
  • Chevrolet:
    • Cobalt,
    • HHR
  • Pontiac:
    • G5
$78.17
$44.16
$78.17
$44.16
Oxygen Sensor
12612436
Positions: Left, Left Front, Left Rear, Right Front, Right Rear
Other Names: Rear Oxygen Sensor, Sensor More
Description: Malibu, Malibu Maxx. G6. Left. Front. 3.5L, 2007-10. 3.9L, auto trans. 3.5L, sedan, pre converter. Vapor canister/oxygen sensor, 3.5L. More
Fits:
  • Chevrolet:
    • Malibu
  • Pontiac:
    • G6
  • Saturn:
    • Aura
$91.16
$51.51
$91.16
$51.51
Oxygen Sensor
12617907
Positions: Rear, Right
Other Names: Rear Oxygen Sensor, Sensor More
Description: Malibu Hybrid. G6. Rear. Right. Pre-converter, 2nd design. Vapor canister/oxygen sensor, 2.4L, 2nd design. More
Fits:
  • Chevrolet:
    • Malibu
  • Pontiac:
    • G6
  • Saturn:
    • Aura
$111.42
$61.28
$111.42
$61.28
Oxygen Sensor
12597449
Positions: Right Rear, Right, Left Rear
Other Names: Rear Oxygen Sensor, Sensor More
Description: STS, STS-v. CTS. SRX. 3.6. Right. Rear, 3.6L. 3.6L, auto trans. 3.6L, manual trans. More
Fits:
  • Cadillac:
    • CTS,
    • SRX,
    • STS
$125.60
$69.08
$125.60
$69.08
Oxygen Sensor
12609159
Positions: Left Rear, Right Rear
Other Names: Rear Oxygen Sensor, Sensor More
Description: STS, STS-v. SRX. 4.4L. Rear, 4.6L. With chrome exhaust. More
Fits:
  • Cadillac:
    • SRX,
    • STS
$89.43
$50.52
$89.43
$50.52
Oxygen Sensor
12578576
Positions: Rear
Other Names: Rear Oxygen Sensor, Sensor More
Description: Rear (position 2). Cobalt. HHR. Vue. G5. 2.0l. Saturn. At converter, 2.2L. Coupe, at converter. 2.2L, pre-converter. Sedan, at... More
Fits:
  • Chevrolet:
    • Cobalt,
    • HHR
  • Pontiac:
    • G5
  • Saturn:
    • Ion,
    • L100,
    • L200,
    • L300,
    • LW200,
    • Vue
  • 4 more
$115.83
$63.71
$115.83
$63.71
Oxygen Sensor
12588036
Positions: Left Front, Right Front
Other Names: Ft Oxygen Sensor, Sensor More
Description: STS, STS-v. Front. 2nd design, 4.4L. More
Fits:
  • Cadillac:
    • STS
$99.26
$56.08
$99.26
$56.08
Oxygen Sensor
12590749
Positions: Left Front, Right Front
Other Names: Ft Oxygen Sensor, Sensor More
Description: All models. 5.3L. 6.0l. Front. 1st design. More
Fits:
  • Buick:
    • Rainier
  • Chevrolet:
    • SSR,
    • Trailblazer,
    • Trailblazer EXT
  • GMC:
    • Envoy,
    • Envoy XL
  • 1 more
$81.03
$45.79
$81.03
$45.79
Oxygen Sensor
12580827
Positions: Front
Other Names: Ft Oxygen Sensor, Sensor More
Description: Front (position 1). Cobalt. Vue. HHR. G5. 2.2l, 2.4l. Exhaust manifold. Sedan, at manifold. 2.2L, pre-converter. Canister & sensors,... More
Fits:
  • Chevrolet:
    • Cobalt,
    • HHR
  • Pontiac:
    • G5
  • Saturn:
    • Ion,
    • Vue
$113.44
$62.39
$113.44
$62.39
Oxygen Sensor
12590790
Positions: Left Front, Right Front
Other Names: Ft Oxygen Sensor, Sensor More
Description: Malibu, Malibu Maxx. Equinox, Torrent. G6. Front. 3.5L, 2005-06. 3.4L, at manifold. 3.5L, sedan, at manifold. 3.5L, wagon, at manifold. More
Fits:
  • Chevrolet:
    • Equinox,
    • Malibu
  • Pontiac:
    • G6,
    • Torrent
$87.16
$49.23
$87.16
$49.23
Oxygen Sensor
12584050
Positions: Rear
Other Names: Rear Oxygen Sensor, Ft Oxygen Sensor, Sensor More
Description: Federal emissions, 3.6L. Aztek, Rendezvous. LaCrosse. Rear. More
Fits:
  • Buick:
    • LaCrosse,
    • Rendezvous
$155.99
$85.79
$155.99
$85.79
Oxygen Sensor
12590035
Positions: Left Rear, Right Rear
Other Names: Rear Oxygen Sensor, Sensor More
Description: STS, STS-v. SRX. CTS. 4.6. 3.6. 5.7l. 3.6L, rear. 2.8L, rear. Engine control. Catalyst monitoring. More
Fits:
  • Cadillac:
    • CTS,
    • SRX,
    • STS
$125.60
$69.08
$125.60
$69.08
Oxygen Sensor
12583190
Positions: Front
Other Names: Sensor More
Description: Malibu, Malibu Maxx. Front. 2.2L, at manifold. More
Fits:
  • Chevrolet:
    • Malibu
$111.42
$61.28
$111.42
$61.28
Oxygen Sensor
12597876
Positions: Left Rear, Right Rear
Other Names: Sensor More
Description: XLR. Rear, 4.6L. More
Fits:
  • Cadillac:
    • XLR
$107.85
$59.32
$107.85
$59.32
Oxygen Sensor
12572705
Positions: Left Front, Left Rear, Right, Right Front, Right Rear
Other Names: Ft Oxygen Sensor, Sensor More
Description: All models. Hummer H2. 4.3l. 4.8l. 5.3l. Right. Rear, 8.1l. Front, 8.1L. Silverado, sierra. 6.0L, front of converter. More
Notes: Parts & Prices For Estimating Purpose Only. More
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,
    • Suburban 1500,
    • Suburban 2500,
    • Tahoe
  • 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,
    • Yukon,
    • Yukon XL 1500,
    • Yukon XL 2500
  • Hummer:
    • H2
  • 24 more
$143.40
$78.87
$143.40
$78.87
Oxygen Sensor
12574662
Positions: Left Front, Right Front
Other Names: Ft Oxygen Sensor, Sensor More
Description: Federal emissions, 3.6L. Aztek, Rendezvous. Front. More
Fits:
  • Buick:
    • Rendezvous
$228.87
$125.88
$228.87
$125.88
Oxygen Sensor
12587037
Positions: Rear
Other Names: Sensor More
Description: XLR. Rear. More
Fits:
  • Cadillac:
    • XLR
$123.57
$67.97
$123.57
$67.97
Oxygen Sensor
12590789
Positions: Front
Other Names: Sensor More
Description: 3.1l. Front. More
Fits:
  • Buick:
    • Century
$94.37
$53.32
$94.37
$53.32
Oxygen Sensor
12567497
Positions: Rear
Other Names: Sensor More
Description: Federal emissions, at converter. Bonneville, LeSabre. All models. Rear. To converter. At converter, 4.6L. More
Notes: Parts & Prices For Estimating Purposes Only. More
Fits:
  • Cadillac:
    • DeVille,
    • Seville
  • Pontiac:
    • Bonneville
$109.39
$60.17
$109.39
$60.17
Oxygen Sensor
12571768
Positions: Rear
Other Names: Rear Oxygen Sensor, Sensor More
Description: Federal emissions, 3.6L. Aztek, Rendezvous. Rear. More
Fits:
  • Buick:
    • Rendezvous
$269.52
$148.25
$269.52
$148.25
Oxygen Sensor
12565415
Positions: Left Rear, Left
Other Names: Sensor More
Description: All models. Left. Rear of converter, 8.1l. More
Notes: Parts & Prices For Estimating Purpose Only. More
Fits:
  • Chevrolet:
    • Avalanche 2500,
    • Silverado 2500 HD,
    • Silverado 3500,
    • Suburban 2500
  • GMC:
    • Sierra 2500 HD,
    • Sierra 3500,
    • Yukon XL 2500
  • 2 more
$151.94
$83.57
$151.94
$83.57
Oxygen Sensor
12562621
Positions: Rear
Other Names: Sensor More
Description: Rear. 3.5L, post converter. More
Fits:
  • Oldsmobile:
    • Intrigue
$164.53
$90.49
$164.53
$90.49
Oxygen Sensor
12563848
Positions: Front
Other Names: Sensor More
Description: Cavalier, Sunfire. Ohv. S-series. Front, 2.2L. 2.2L, at manifold, all. 2.2L, at manifold, with flexible fuel. More
Fits:
  • Chevrolet:
    • Cavalier,
    • S10
  • GMC:
    • Sonoma
  • Pontiac:
    • Sunfire
$80.50
$45.48
$80.50
$45.48
Oxygen Sensor
12558143
Positions: Left Front, Left Rear, Right Front, Right Rear
Other Names: Sensor More
Description: Rear of converter. Front of converter, with square connector. More
Fits:
  • Chevrolet:
    • Astro
  • GMC:
    • Safari
$97.24
$54.94
$97.24
$54.94
Oxygen Sensor
12622308
Positions: Left Front, Right Front
Other Names: Ft Oxygen Sensor, Sensor More
Description: 6.0l. Front. Silverado, sierra. More
Fits:
  • Chevrolet:
    • Silverado 2500 HD,
    • Silverado 3500 HD
  • GMC:
    • Sierra 2500 HD,
    • Sierra 3500 HD
$111.42
$61.28
$111.42
$61.28
Oxygen Sensor
12599204
Positions: Left Front, Right Front
Other Names: Sensor More
Description: Express, savana. Gas. Without diesel, front. More
Fits:
  • Chevrolet:
    • Express 1500,
    • Express 2500,
    • Express 3500
  • GMC:
    • Savana 1500,
    • Savana 2500,
    • Savana 3500
  • 1 more
$145.86
$80.22
$145.86
$80.22
Oxygen Sensor
12622555
Positions: Rear
Other Names: Sensor More
Description: Position 2. Position 5. Silverado, sierra. 6.6L diesel, egr valve & related components, 2015-16, at muffler, rear. More
Notes: Order By Description. More
Fits:
  • Chevrolet:
    • Silverado 2500 HD,
    • Silverado 3500 HD
  • GMC:
    • Sierra 2500 HD,
    • Sierra 3500 HD
$58.65
$33.13
$58.65
$33.13
Oxygen Sensor
12616202
Positions: Left Rear, Left
Other Names: Rear Oxygen Sensor, Sensor More
Description: STS, STS-v. Camaro. CTS. 3.6. Rear. Left. Sedan, 3.0L. 2010, 3.6L, auto trans. Sedan, 3.6L, auto trans. 2011-15, 3.6L, auto trans. More
Fits:
  • Cadillac:
    • CTS,
    • STS
  • Chevrolet:
    • Camaro
$101.29
$55.72
$101.29
$55.72
Oxygen Sensor
12609949
Positions: Left Rear, Right Rear
Other Names: Rear Oxygen Sensor, Sensor More
Description: Canyon, Colorado. Hummer H3. Rear. With 5.3l. More
Fits:
  • Chevrolet:
    • Colorado
  • GMC:
    • Canyon
  • Hummer:
    • H3,
    • H3T
$144.94
$79.71
$144.94
$79.71
Oxygen Sensor
12616125
Positions: Left Rear, Right Rear
Other Names: Rear Oxygen Sensor, Sensor More
Description: Acadia, Acadia Limited. Enclave, Traverse. Outlook. Rear. More
Fits:
  • Buick:
    • Enclave
  • Chevrolet:
    • Traverse
  • GMC:
    • Acadia
  • Saturn:
    • Outlook
$127.63
$70.19
$127.63
$70.19
Oxygen Sensor
12618011
Positions: Rear
Other Names: Rear Oxygen Sensor, Sensor More
Description: Rear (position 2). Sky. 2.4L, without code: aua. More
Fits:
  • Buick:
    • Regal
  • Saturn:
    • Sky
$101.29
$55.72
$101.29
$55.72
Oxygen Sensor
12608663
Positions: Right, Right Rear
Other Names: Rear Oxygen Sensor, Sensor More
Description: Malibu. Aura. G6. Rear. Right. Vapor canister/oxygen sensor, 3.6L. More
Fits:
  • Chevrolet:
    • Malibu
  • Pontiac:
    • G6
  • Saturn:
    • Aura
$109.39
$60.17
$109.39
$60.17
Oxygen Sensor
12615904
Positions: Rear
Other Names: Rear Oxygen Sensor, Sensor More
Description: Malibu Hybrid. 2.4L. Rear. Pre-converter, 1st design. More
Fits:
  • Chevrolet:
    • Malibu
  • Pontiac:
    • G6
  • Saturn:
    • Aura
$107.37
$59.05
$107.37
$59.05
Oxygen Sensor
12589380
Positions: Front
Other Names: Ft Oxygen Sensor, Sensor More
Description: Front (position 1). Solstice. Cobalt. Sky. Canister & sensors, 2.0l. More
Fits:
  • Chevrolet:
    • Cobalt,
    • HHR
  • Pontiac:
    • Solstice
  • Saturn:
    • Sky
$153.78
$84.58
$153.78
$84.58
Oxygen Sensor
12601266
Positions: Left Rear, Left
Other Names: Rear Oxygen Sensor, Sensor More
Description: STS, STS-v. CTS. 3.6. Rear. Left. 3.6L, auto trans. More
Fits:
  • Cadillac:
    • CTS,
    • STS
$113.44
$62.39
$113.44
$62.39
Oxygen Sensor
12584925
Positions: Front
Other Names: Ft Oxygen Sensor, Sensor More
Description: Impala, Monte Carlo. Lucerne. Front. 3.5l, 3.9l. 3.5 & 3.9L without flex fuel. More
Fits:
  • Buick:
    • Lucerne
  • Chevrolet:
    • Impala,
    • Monte Carlo
$129.65
$71.31
$129.65
$71.31
Oxygen Sensor
12594452
Positions: Left Front, Left Rear, Right Front, Right Rear
Other Names: Ft Oxygen Sensor, Sensor More
Description: Acadia, Acadia Limited. Malibu, Malibu Maxx. Terraza, Uplander. Enclave, Traverse. Montana SV6. Outlook. Lucerne. Aura. Vue. G6. Rear.... More
Fits:
  • Buick:
    • Enclave,
    • Lucerne,
    • Terraza
  • Chevrolet:
    • Malibu,
    • Uplander
  • GMC:
    • Acadia
  • Pontiac:
    • G6,
    • Montana
  • Saturn:
    • Aura,
    • Outlook,
    • Relay,
    • Vue
  • 7 more
$86.29
$48.76
$86.29
$48.76
Oxygen Sensor
12597947
Positions: Left Rear, Left, Right Rear
Other Names: Rear Oxygen Sensor, Sensor More
Description: Acadia, Acadia Limited. Enclave, Traverse. Vue Hybrid. Outlook. Malibu. G6. 3.5l. Left. Rear. 3.6L. Vapor canister/oxygen sensor, 2.4L,... More
Fits:
  • Buick:
    • Enclave
  • Chevrolet:
    • Malibu
  • GMC:
    • Acadia
  • Pontiac:
    • G6
  • Saturn:
    • Aura,
    • Outlook,
    • Vue
  • 2 more
$119.52
$65.74
$119.52
$65.74
Oxygen Sensor
12609477
Positions: Right Rear, Right
Other Names: Rear Oxygen Sensor, Sensor More
Description: All models. 6.0l. Rear. 5.3L. Right. More
Fits:
  • Chevrolet:
    • Trailblazer
  • GMC:
    • Envoy
$119.52
$65.74
$119.52
$65.74
Oxygen Sensor
12580466
Positions: Front
Other Names: Ft Oxygen Sensor, Sensor More
Description: Impala, Monte Carlo. Grand Prix. LaCrosse. CTS. 6.0L, front. At manifold, 5.3L. Catalyst monitoring. More
Notes: Order By Application. More
Fits:
  • Buick:
    • LaCrosse
  • Cadillac:
    • CTS
  • Chevrolet:
    • Impala,
    • Monte Carlo
  • Pontiac:
    • Grand Prix
$113.44
$62.39
$113.44
$62.39
Oxygen Sensor
12597912
Positions: Left Front, Left
Other Names: Sensor More
Description: STS, STS-v. SRX. Left. Front, 4.6L. More
Fits:
  • Cadillac:
    • SRX,
    • STS
$291.72
$160.45
$291.72
$160.45

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