Oxygen Sensors

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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
Part Number: 12592592
Positions: Front
Other Names: Ft Oxygen Sensor, Sensor More Names
Description: Canyon, Colorado. Hummer H3. Without 5.3l. Front. 2.9, 3.7L. 3.5 & 3.7L. 3.5l, 3.7l. More Info
Fits:
  • Chevrolet:
    • Colorado
  • GMC:
    • Canyon
  • Hummer:
    • H3,
    • H3T
$104.44
$60.05
$104.44
$60.05
Oxygen Sensor
Part Number: 12612797
Positions: Front
Other Names: Sensor More Names
Fits:
  • Chevrolet:
    • Express 3500
  • GMC:
    • Savana 3500
$111.21
$63.94
$111.21
$63.94
Oxygen Sensor
Part Number: 12616203
Positions: Left Rear, Right, Right Rear
Other Names: Rear Oxygen Sensor, Sensor More Names
Fits:
  • Cadillac:
    • CTS,
    • STS
  • Chevrolet:
    • Camaro
$108.36
$62.31
$108.36
$62.31
Oxygen Sensor
Part Number: 12618009
Positions: Rear
Other Names: Rear Oxygen Sensor, Sensor More Names
Description: Malibu. Rear. All. Vapor canister/oxygen sensor, 2.4L, 2nd design. More Info
Fits:
  • Chevrolet:
    • Malibu
  • Pontiac:
    • G6
$101.66
$58.45
$101.66
$58.45
Oxygen Sensor
Part Number: 12618012
Positions: Rear
Other Names: Sensor More Names
Fits:
  • Chevrolet:
    • Malibu
  • Pontiac:
    • G6
$109.52
$62.96
$109.52
$62.96
Oxygen Sensor
Part Number: 12622308
Positions: Left Front, Right Front
Other Names: Ft Oxygen Sensor, Sensor More Names
Description: 6.0L. Silverado, sierra. Front. More Info
Fits:
  • Chevrolet:
    • Silverado 2500 HD,
    • Silverado 3500 HD
  • GMC:
    • Sierra 2500 HD,
    • Sierra 3500 HD
$117.63
$67.63
$117.63
$67.63
Oxygen Sensor
Part Number: 12622643
Positions: Rear
Other Names: Rear Oxygen Sensor, Sensor More Names
Description: Lucerne. Rear. 3.9l. More Info
Fits:
  • Buick:
    • Lucerne
$145.40
$83.61
$145.40
$83.61
Oxygen Sensor
Part Number: 12634061
Positions: Left Front, Left Rear, Left Lower, Left Upper, Right Front, Right Rear, Right Lower, Right Upper
Other Names: Ft Oxygen Sensor, Rear Oxygen Sensor, Lower Oxygen Sensor, Upper Oxygen Sensor, Sensor More Names
Replaces: 12607333
Fits:
  • Buick:
    • Enclave,
    • LaCrosse
  • Cadillac:
    • SRX
  • Chevrolet:
    • Captiva Sport,
    • Equinox,
    • Impala,
    • Impala Limited,
    • Traverse
  • GMC:
    • Acadia,
    • Terrain
  • Saturn:
    • Outlook
  • 6 more
$73.54
$42.29
$73.54
$42.29
Oxygen Sensor
Part Number: 12634062
Positions: Left Front, Left Upper, Right Front, Right Upper
Other Names: Upper Oxygen Sensor, Ft Oxygen Sensor, Sensor More Names
Fits:
  • Cadillac:
    • ATS,
    • CTS
  • Chevrolet:
    • Camaro
$80.48
$46.28
$80.48
$46.28
Oxygen Sensor
Part Number: 12634085
Positions: Left Rear, Right Rear
Other Names: Rear Oxygen Sensor, Sensor More Names
Description: Enclave, Traverse. Acadia, Acadia Limited. Rear. More Info
Fits:
  • Buick:
    • Enclave
  • Chevrolet:
    • Traverse
  • GMC:
    • Acadia,
    • Acadia Limited
$104.79
$60.25
$104.79
$60.25
Oxygen Sensor
Part Number: 12643707
Positions: Left Front, Left Upper, Right Front, Right Upper, Front, Front Upper, Upper Front, Upper
Other Names: Ft Oxygen Sensor, Upper Oxygen Sensor, Sensor More Names
Replaces: 12627139
Description: Canyon, Colorado. Impala. Malibu. Regal. 2.5L, 3.6L, 2.5L. Upper. 2.4l, 2.5l. Upstream. 2.0l, 2.5l. 2.0L turbo. More Info
Fits:
  • Buick:
    • Envision,
    • LaCrosse
  • Chevrolet:
    • Blazer,
    • Colorado,
    • Express 2500,
    • Express 3500,
    • LCF 3500,
    • Silverado 2500 HD,
    • Silverado 3500 HD,
    • Suburban 3500 HD
  • GMC:
    • Acadia,
    • Canyon,
    • Savana 2500,
    • Savana 3500,
    • Sierra 2500 HD,
    • Sierra 3500 HD
  • 11 more
$61.69
$44.51
$61.69
$44.51
Oxygen Sensor
Part Number: 12643708
Positions: Left Lower, Right Lower
Other Names: Lower Oxygen Sensor, Sensor More Names
Description: CTS. Camaro. 6.2l. Lower. More Info
Fits:
  • Cadillac:
    • CTS
  • Chevrolet:
    • Camaro
$57.45
$33.03
$57.45
$33.03
Oxygen Sensor
Part Number: 12655678
Positions: Left Lower, Left Rear, Right Lower, Right Rear
Other Names: Rear Oxygen Sensor, Sensor More Names
Description: Corvette. Lower. More Info
Fits:
  • Chevrolet:
    • Corvette
$66.58
$38.30
$66.58
$38.30
Oxygen Sensor
Part Number: 12659516
Positions: Left Front, Left, Left Upper, Right, Left Rear, Right Front, Right Upper, Right Rear, Front Left Front, Front Left Upper, Front Left Right, Front Left Rear
Other Names: Upper Oxygen Sensor, Ft Oxygen Sensor, Rear Oxygen Sensor, Sensor More Names
Replaces: 12637679
Description: Tahoe, Yukon, Escalade. Suburban, Yukon XL. Escalade ESV. Double & crew cab. Front. Left. Sierra, silverado. Upper. Right. Regular cab. More Info
Fits:
  • Cadillac:
    • Escalade,
    • Escalade ESV
  • Chevrolet:
    • Silverado 1500,
    • Silverado 1500 LD,
    • Suburban,
    • Tahoe
  • GMC:
    • Sierra 1500,
    • Sierra 1500 Limited,
    • Yukon,
    • Yukon XL
  • 5 more
$100.43
$57.75
$100.43
$57.75
Oxygen Sensor
Part Number: 12662658
Positions: Front
Other Names: Front Nox Sensor, Sensor More Names
Replaces: 12641556
Description: Cruze. Front nox sensor. With diesel, egr valve & related components. More Info
Fits:
  • Chevrolet:
    • Cruze
$408.00
$230.52
$408.00
$230.52
Oxygen Sensor
Part Number: 12665161
Positions: Left Lower, Left Rear, Right Lower, Right Rear
Other Names: Rear Oxygen Sensor, Sensor More Names
Description: Corvette. Lower. More Info
Fits:
  • Chevrolet:
    • Corvette
$54.55
$31.37
$54.55
$31.37
Oxygen Sensor
Part Number: 12666671
Positions: Left Rear, Left Lower, Right Rear, Right Lower
Other Names: Lower Oxygen Sensor, Sensor More Names
Replaces: 12646902
Fits:
  • Cadillac:
    • ATS,
    • CT6,
    • CTS
  • Chevrolet:
    • Camaro
$60.78
$34.96
$60.78
$34.96
Oxygen Sensor
Part Number: 12667438
Positions: Left Lower, Left Rear, Left Upper, Right Lower, Right Rear, Right Upper, Front Lower, Front Rear, Front Upper, Rear Lower, Rear, Rear Upper, Lower, Lower Rear, Lower Upper, Upper Lower, Upper Rear, Upper
Other Names: Ft Oxygen Sensor, Rear Oxygen Sensor, Lower Oxygen Sensor, Upper Oxygen Sensor, Sensor More Names
Description: Canyon, Colorado. Traverse. Acadia. Enclave. XT5. Blazer. XT6. 2.5L, 3.6L, 3.6L. Lower. Upstream. More Info
Fits:
  • Buick:
    • Enclave
  • Cadillac:
    • XT5,
    • XT6
  • Chevrolet:
    • Blazer,
    • Colorado,
    • Traverse
  • GMC:
    • Acadia,
    • Canyon
  • 3 more
$60.86
$35.01
$60.86
$35.01
Oxygen Sensor
Part Number: 12670253
Positions: Left Lower, Left Rear, Right Lower, Right Rear
Other Names: Lower Oxygen Sensor, F (S)Sensor More Names
Description: Silverado, Sierra 2500 HD. Silverado, Sierra 3500 HD. 4.3, 5.3, 6.2L. 5.3l. Lower. 6.6L gas. Rear. 4.3l. More Info
Fits:
  • Chevrolet:
    • Silverado 1500,
    • Silverado 1500 LD,
    • Silverado 2500 HD,
    • Silverado 3500 HD
  • GMC:
    • Sierra 1500,
    • Sierra 2500 HD,
    • Sierra 3500 HD
  • 2 more
$54.13
$31.13
$54.13
$31.13
Oxygen Sensor
Part Number: 12675980
Positions: Left Upper, Left Front, Right Upper, Right Front, Front Upper, Front
Other Names: Upper Oxygen Sensor, Ft Oxygen Sensor, Sensor More Names
Fits:
  • Buick:
    • Envision
  • Cadillac:
    • ATS,
    • CT6,
    • CTS
  • Chevrolet:
    • Camaro,
    • Equinox,
    • Traverse
  • GMC:
    • Terrain
  • 3 more
$79.83
$45.90
$79.83
$45.90
Oxygen Sensor
Part Number: 12676705
Positions: Front
Other Names: Sensor More Names
Description: NOX Sensor. More Info
Fits:
  • Chevrolet:
    • Silverado 2500 HD,
    • Silverado 3500 HD
  • GMC:
    • Sierra 2500 HD,
    • Sierra 3500 HD
$304.81
$172.21
$304.81
$172.21
Oxygen Sensor
Part Number: 12679686
Positions: Left Lower, Right Lower
Other Names: Lower Oxygen Sensor, F (S)Sensor More Names
Description: CT6. Canister & sensors, 4.2l twin-turbo, bank 2 sensor 1. More Info
Fits:
  • Cadillac:
    • CT6
$123.14
$70.81
$123.14
$70.81
Oxygen Sensor
Part Number: 12679935
Positions: Upper
Other Names: Upper Oxygen Sensor, Sensor More Names
Description: Silverado, sierra. 2.7l. Upper. More Info
Fits:
  • Chevrolet:
    • Silverado 1500
  • GMC:
    • Sierra 1500
$77.96
$51.11
$77.96
$51.11
Oxygen Sensor
Part Number: 12683553
Positions: Lower, Rear
Other Names: Rear Oxygen Sensor, Lower Oxygen Sensor, Sensor More Names
Replaces: 12627140
Fits:
  • Buick:
    • LaCrosse
  • Cadillac:
    • ATS,
    • CT6,
    • CTS
  • Chevrolet:
    • Camaro,
    • Colorado
  • GMC:
    • Canyon
  • 2 more
$79.54
$45.75
$79.54
$45.75
Oxygen Sensor
Part Number: 12688831
Positions: Right Upper, Right
Other Names: Upper Oxygen Sensor, Sensor More Names
Description: Silverado, sierra. Upper. Right. 4.3, 5.3, 6.2L, 4.3L. More Info
Fits:
  • Chevrolet:
    • Silverado 1500,
    • Silverado 1500 LD
  • GMC:
    • Sierra 1500
$58.49
$38.34
$58.49
$38.34
Oxygen Sensor
Part Number: 12701634
Positions: Rear Upper, Rear Lower
Other Names: Upper Oxygen Sensor, Lower Oxygen Sensor, F (S)Sensor More Names
Replaces: 12663317
Description: Malibu. Spark. Equinox, Terrain. 1.5L turbo. With high output. 1.5, 2.0L, 1.5L. More Info
Fits:
  • Buick:
    • Encore
  • Chevrolet:
    • Cruze,
    • Equinox,
    • Malibu,
    • Spark,
    • Trax,
    • Volt
  • GMC:
    • Terrain
  • 3 more
$71.96
$41.38
$71.96
$41.38
Oxygen Sensor
Part Number: 12559849
Other Names: F (S)Sensor More Names
Description: California emissions, at converter. All models. Seville. To converter. Pre & post converter. 4.6L, catalytic converter. More Info
Fits:
  • Cadillac:
    • DeVille,
    • Eldorado,
    • Seville
$93.15
$53.56
$93.15
$53.56
Oxygen Sensor
Part Number: 12565415
Positions: Left Rear, Left
Other Names: Sensor More Names
Description: All models. Left. Rear of converter, 8.1l. More Info
Fits:
  • Chevrolet:
    • Avalanche 2500,
    • Silverado 2500 HD,
    • Silverado 3500,
    • Suburban 2500
  • GMC:
    • Sierra 2500 HD,
    • Sierra 3500,
    • Yukon XL 2500
  • 2 more
$151.94
$85.85
$151.94
$85.85
Oxygen Sensor
Part Number: 12567163
Positions: Left Rear, Right Rear
Other Names: Rear Oxygen Sensor, Sensor More Names
Description: All models. SSR. 5.3l. Rear. More Info
Fits:
  • Buick:
    • Rainier
  • Chevrolet:
    • SSR,
    • Trailblazer EXT
  • GMC:
    • Envoy XL,
    • Envoy XUV
$101.29
$58.25
$101.29
$58.25
Oxygen Sensor
Part Number: 12574662
Positions: Left Front, Right Front
Other Names: Ft Oxygen Sensor, Sensor More Names
Description: Federal emissions, 3.6L. Aztek, Rendezvous. Front. More Info
Fits:
  • Buick:
    • Rendezvous
$228.87
$129.32
$228.87
$129.32
Oxygen Sensor
Part Number: 12576711
Other Names: Sensor More Names
Description: Ion. 2.2l, 2.4l. Pos#2. Sedan, at converter. 2.0l. More Info
Fits:
  • Saturn:
    • Ion
$106.00
$60.95
$106.00
$60.95
Oxygen Sensor
Part Number: 12578576
Positions: Rear
Other Names: Rear Oxygen Sensor, Sensor More Names
Fits:
  • Chevrolet:
    • Cobalt,
    • HHR
  • Pontiac:
    • G5
  • Saturn:
    • Ion,
    • L100,
    • L200,
    • L300,
    • LW200,
    • Vue
  • 4 more
$121.10
$69.64
$121.10
$69.64
Oxygen Sensor
Part Number: 12580827
Positions: Front
Other Names: Ft Oxygen Sensor, Sensor More Names
Fits:
  • Chevrolet:
    • Cobalt,
    • HHR
  • Pontiac:
    • G5
  • Saturn:
    • Ion,
    • Vue
$113.44
$65.23
$113.44
$65.23
Oxygen Sensor
Part Number: 12597449
Positions: Right Rear, Right, Left Rear, Rear, Rear Right
Other Names: Rear Oxygen Sensor, Sensor More Names
Description: SRX. CTS. STS, STS-v. 3.6. Rear, 3.6L. Right. 3.6L, manual trans. More Info
Fits:
  • Cadillac:
    • CTS,
    • SRX,
    • STS
$144.24
$82.94
$144.24
$82.94
Oxygen Sensor
Part Number: 12597990
Positions: Left Front, Right Front
Other Names: Ft Oxygen Sensor, Sensor More Names
Description: DTS. Lucerne. Front. 4.6L. More Info
Fits:
  • Buick:
    • Lucerne
  • Cadillac:
    • DTS
$88.13
$50.67
$88.13
$50.67
Oxygen Sensor
Part Number: 12598718
Positions: Rear
Other Names: Rear Oxygen Sensor, Sensor More Names
Description: Solstice. Rear (position 2). Sky. 2.4L. More Info
Fits:
  • Pontiac:
    • Solstice
  • Saturn:
    • Sky
$109.39
$62.91
$109.39
$62.91
Oxygen Sensor
Part Number: 12599204
Positions: Left Front, Right Front, Front
Other Names: Sensor More Names
Description: Express, savana. Without diesel, front. Gas. Calif. More Info
Fits:
  • Chevrolet:
    • Express 1500,
    • Express 2500,
    • Express 3500
  • GMC:
    • Savana 1500,
    • Savana 2500,
    • Savana 3500
  • 1 more
$167.76
$94.78
$167.76
$94.78
Oxygen Sensor
Part Number: 12601266
Positions: Left Rear, Left
Other Names: Rear Oxygen Sensor, Sensor More Names
Description: CTS. STS, STS-v. 3.6. Rear. Left. 3.6L, auto trans. More Info
Fits:
  • Cadillac:
    • CTS,
    • STS
$73.74
$42.40
$73.74
$42.40
Oxygen Sensor
Part Number: 12601760
Positions: Right Rear, Right Lower
Other Names: Sensor More Names
Description: Vue. 3.5L, post converter. Rear. Lower. More Info
Fits:
  • Saturn:
    • Vue
$118.67
$77.79
$118.67
$77.79
Oxygen Sensor
Part Number: 12606671
Positions: Front
Other Names: Ft Oxygen Sensor, Sensor More Names
Fits:
  • Chevrolet:
    • Captiva Sport,
    • Equinox,
    • HHR,
    • Malibu
  • GMC:
    • Terrain
  • Pontiac:
    • G6,
    • Solstice
  • Saturn:
    • Aura,
    • Sky,
    • Vue
  • 5 more
$84.72
$48.71
$84.72
$48.71
Oxygen Sensor
Part Number: 12609159
Positions: Rear Left Rear, Left Rear, Right Rear
Other Names: Rear Oxygen Sensor, Sensor More Names
Description: STS, STS-v. SRX. 4.4l. Rear, 4.6L. With chrome exhaust. More Info
Fits:
  • Cadillac:
    • SRX,
    • STS
$91.22
$52.44
$91.22
$52.44
Oxygen Sensor
Part Number: 12609457
Positions: Left Rear, Right Rear
Other Names: Rear Oxygen Sensor, Sensor More Names
Fits:
  • Cadillac:
    • Escalade,
    • Escalade ESV,
    • Escalade EXT
  • Chevrolet:
    • Avalanche,
    • Camaro,
    • Silverado 1500,
    • Silverado 2500 HD,
    • Silverado 3500 HD,
    • Suburban 1500,
    • Suburban 2500,
    • Tahoe
  • GMC:
    • Sierra 1500,
    • Sierra 2500 HD,
    • Sierra 3500 HD,
    • Yukon,
    • Yukon XL 1500,
    • Yukon XL 2500
  • 12 more
$95.30
$54.80
$95.30
$54.80
Oxygen Sensor
Part Number: 30028573
Positions: Front, Rear
Other Names: Sensor More Names
Description: Tracker. Front of converter, 2.0L. Rear. All. Federal. More Info
Fits:
  • Chevrolet:
    • Tracker
$226.89
$128.19
$226.89
$128.19
Oxygen Sensor
Part Number: 55509172
Positions: Front
Other Names: Sensor More Names
Description: NOX Sensor. More Info
Fits:
  • Chevrolet:
    • Colorado
  • GMC:
    • Canyon
$259.86
$146.82
$259.86
$146.82
Oxygen Sensor
Part Number: 55570074
Positions: Lower
Other Names: Lower Oxygen Sensor, Sensor More Names
Description: Cascada. Bank 1 sen 2. 1.8L. More Info
Fits:
  • Buick:
    • Cascada
  • Chevrolet:
    • Malibu
$61.83
$35.56
$61.83
$35.56
Oxygen Sensor
Part Number: 55572216
Positions: Rear
Other Names: Rear Oxygen Sensor, Sensor More Names
Description: Cruze, Cruze Limited. Downstream. Without diesel, 1.4L turbo. Without diesel, 1.8L. More Info
Fits:
  • Chevrolet:
    • Cruze,
    • Cruze Limited
$83.22
$47.85
$83.22
$47.85
Oxygen Sensor
Part Number: 24576791
Positions: Front
Other Names: Sensor More Names
Description: Cavalier, Sunfire. 2.2L, at manifold, without flexible fuel. S-series. Front. Extended Build Date. 2.2L, post converter. 2.2L, at... More Info
Fits:
  • Chevrolet:
    • Cavalier,
    • S10
  • GMC:
    • S15,
    • Sonoma
  • Pontiac:
    • Sunfire
$70.90
$40.77
$70.90
$40.77
Oxygen Sensor
Part Number: 25180901
Positions: Lower
Other Names: Lower Oxygen Sensor, Sensor More Names
Description: Spark. Position 2. Auto trans. More Info
Fits:
  • Chevrolet:
    • Spark,
    • Spark EV
$110.14
$63.32
$110.14
$63.32
Oxygen Sensor
Part Number: 25182983
Positions: Lower
Other Names: Lower Oxygen Sensor, Sensor More Names
Description: Spark. Position 2. Manual trans. More Info
Fits:
  • Chevrolet:
    • Spark,
    • Spark EV
$107.45
$61.78
$107.45
$61.78

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