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1997 Chevrolet Malibu Oxygen Sensors
41 itemsShop best-selling oxygen sensors for Ford, Chevy, Honda, Nissan, Toyota, and more. Direct-fit O2 sensors with fast response, improved MPG, and reliable emissions performance.
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A-Premium®Part # OS232
Upstream O2 Oxygen Sensor | 1-Pc Direct-Fit | A-Premium OS232
4.5675 Reviews
$28.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 1999 - 2000 Chevrolet S10, 1999 - 2000 GMC Sonoma, 1999 - 2000 Isuzu Hombre, 1999 - 1999 Chevrolet Cavalier, 1999 - 1999 Chevrolet Cavalier, 1999 - 1999 Chevrolet Malibu, 1999 - 1999 Oldsmobile Alero, 1999 - 1999 Pontiac Grand AM, 1999 - 1999 Pontiac Sunfire, 1999 - 1999 Pontiac Sunfire, 1995 - 2002 Saturn SC1, 1995 - 2002 Saturn SC2, 1995 - 2002 Saturn SL, 1995 - 2002 Saturn SL1, 1995 - 2002 Saturn SL2, 1995 - 2001 Saturn SW2, 1995 - 1999 Saturn SW1
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 1997 Chevrolet Malibu
Installation PositionUpstream
Item LocatedUnited States
ConditionNew
item #100300H3
Note
Oxygen Senor - B1S1 Indicates Bank 1 Sensor 1.
This item fits 1999 Pontiac Grand AM Model with EGR Valve.
This item fits 1999 Pontiac Grand AM Model with EGR Valve.
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A-Premium®Part # APOS0420
Upstream & Downstream O2 Oxygen Sensor | 2-Pc Direct-Fit | Heated | A-Premium APOS0420
4.5675 Reviews
$58.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2000 - 2000 Chevrolet Malibu, 1999 - 2000 Oldsmobile Alero, 1999 - 2000 Pontiac Grand Am, 1997 - 1999 Oldsmobile Cutlass, 1997 - 1998 Chevrolet Malibu
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 1997 Chevrolet Malibu
Quantity2
Installation PositionUpstream & Downstream
Item LocatedUnited States
ConditionNew
item #10049H5G
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A-Premium®Part # APOS0386
Downstream O2 Oxygen Sensor | 2-Pc Direct-Fit | Heated | A-Premium APOS0386
4.5675 Reviews
$62.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2000 - 2003 Chevrolet Malibu, 1999 - 2004 Pontiac Grand Am, 1999 - 2003 Oldsmobile Alero, 1997 - 2003 Chevrolet Corvette, 1997 - 1999 Oldsmobile Cutlass, 1997 - 1998 Chevrolet Malibu
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 1997 Chevrolet Malibu
Quantity2
Installation PositionDownstream
Item LocatedUnited States
ConditionNew
item #1004ADD7
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A-Premium®Part # OS158
O2 Oxygen Sensor | 1-Pc Direct-Fit | Heated | A-Premium OS158
4.5675 Reviews
$27.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2002 - 2002 Cadillac Escalade, 2002 - 2002 Cadillac Escalade, 2002 - 2002 Chevrolet Avalanche, 2002 - 2002 GMC Savana 2500, 2002 - 2002 GMC Sierra 1500, 2002 - 2002 GMC Yukon XL 1500, 2001 - 2002 Chevrolet Camaro, 2001 - 2002 GMC Savana 2500, 2001 - 2002 GMC Yukon, 2001 - 2002 Pontiac Firebird, 2001 - 2001 Chevrolet Silverado 1500 HD, 2001 - 2001 Chevrolet Silverado 2500, 2001 - 2001 Chevrolet Silverado 3500, 2001 - 2001 GMC Savana 2500, 2001 - 2001 GMC Sierra 1500 HD, 2001 - 2001 GMC Sierra 2500 HD, 2001 - 2001 GMC Sierra 3500, 2001 - 2001 GMC Yukon XL 1500, 2000 - 2003 Chevrolet Impala, 2000 - 2002 Chevrolet Silverado 1500
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 1997 Chevrolet Malibu
Installation PositionCheck the fitment chart
Item LocatedUnited States
ConditionNew
item #10030H86
Note
Please see Compatibility description for fitment information.
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A-Premium®Part # APOS1907
O2 Oxygen Sensor | 2-Pc Direct-Fit | Heated | A-Premium APOS1907
4.5675 Reviews
$54.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2002-2002 Cadillac Escalade, 2002-2002 Cadillac Escalade, 2002-2002 Cadillac Escalade EXT, 2002-2002 Chevrolet Avalanche 1500, 2002-2002 GMC Sierra 1500, 2002-2002 GMC Yukon XL 1500, 2001-2002 Chevrolet Camaro, 2001-2002 GMC Yukon, 2001-2002 Pontiac Firebird, 2000-2003 Chevrolet Impala, 2000-2002 Chevrolet Silverado 1500, 2000-2002 Chevrolet Silverado 1500, 2000-2002 Chevrolet Suburban 1500, 2000-2002 Chevrolet Tahoe, 2000-2002 Chevrolet Tahoe, 2000-2002 GMC Sierra 1500, 2000-2002 GMC Sierra 1500, 2000-2002 GMC Yukon, 2000-2002 GMC Yukon, 2000-2002 GMC Yukon XL 1500
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 1997 Chevrolet Malibu
Quantity2
Installation PositionCheck the fitment chart
Item LocatedUnited States
ConditionNew
item #10049VS2
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A-Premium®Part # APOS0970
Upstream & Downstream O2 Oxygen Sensor | 4-Pc Direct-Fit | Heated | A-Premium APOS0970
4.5675 Reviews
$116.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2000 - 2000 Chevrolet Malibu, 1999 - 2000 Oldsmobile Alero, 1999 - 2000 Pontiac Grand Am, 1997 - 1999 Oldsmobile Cutlass, 1997 - 1998 Chevrolet Malibu
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 1997 Chevrolet Malibu
Quantity4
Installation PositionUpstream & Downstream
Item LocatedUnited States
ConditionNew
item #1001GV1Z
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A-Premium®Part # APOS0287
O2 Oxygen Sensor | 1-Pc Direct-Fit | Heated | A-Premium APOS0287
4.5675 Reviews
$31.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2004 - 2004 Oldsmobile Alero, 2000 - 2003 Chevrolet Malibu, 1999 - 2004 Pontiac Grand Am, 1999 - 2003 Oldsmobile Alero, 1999 - 2001 Oldsmobile Alero, 1999 - 2001 Pontiac Grand Am, 1999 - 1999 Chevrolet Malibu, 1997 - 2003 Chevrolet Corvette, 1997 - 1999 Chevrolet Malibu, 1997 - 1999 Oldsmobile Cutlass, 1997 - 1998 Chevrolet Malibu
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 1997 Chevrolet Malibu
Installation PositionCheck the fitment chart
Item LocatedUnited States
ConditionNew
item #10031DQV
Note
Oxygen Senor - B1S2 Indicates Bank 1 Sensor 2.
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AisinPart # OXSAZ-00239
Upstream O2 Oxygen Sensor | 1-Pc Direct-Fit | Aisin OXSAZ-00239
4.5675 Reviews
$37.99
Low stock: Only 3 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 1999 - 2000 Chevrolet S10, 1999 - 2000 GMC Sonoma, 1999 - 2000 Isuzu Hombre, 1999 - 1999 Chevrolet Cavalier, 1999 - 1999 Chevrolet Malibu, 1999 - 1999 Oldsmobile Alero, 1999 - 1999 Pontiac Grand Am, 1999 - 1999 Pontiac Sunfire, 1995 - 2002 Saturn SC1, 1995 - 2002 Saturn SC2, 1995 - 2002 Saturn SL, 1995 - 2002 Saturn SL1, 1995 - 2002 Saturn SL2, 1995 - 2001 Saturn SW2, 1995 - 1999 Saturn SW1
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 1997 Chevrolet Malibu
Quantity1
Installation PositionUpstream
Item LocatedUnited States
ConditionNew
item #1018EA4W
Show less
AisinPart # OXSGM-00209
Upstream or Downstream O2 Oxygen Sensor | 2-Pc Direct-Fit | Aisin OXSGM-00209
4.5675 Reviews
$97.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2002 - 2002 Cadillac Escalade, 2002 - 2002 Cadillac Escalade, 2002 - 2002 Cadillac Escalade EXT, 2002 - 2002 Chevrolet Avalanche 1500, 2002 - 2002 GMC Sierra 1500, 2002 - 2002 GMC Yukon XL 1500, 2001 - 2002 GMC Yukon, 2000 - 2003 Chevrolet Impala, 2000 - 2002 Chevrolet Silverado 1500, 2000 - 2002 Chevrolet Suburban 1500, 2000 - 2002 Chevrolet Tahoe, 2000 - 2002 GMC Sierra 1500, 2000 - 2002 GMC Yukon, 2000 - 2002 GMC Yukon XL 1500, 2000 - 2000 Chevrolet Impala, 2000 - 2000 Chevrolet Monte Carlo, 2000 - 2000 Chevrolet Silverado 2500, 2000 - 2000 GMC Sierra 2500, 1999 - 2002 Chevrolet Express 2500, 1999 - 2002 GMC Sierra 1500
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 1997 Chevrolet Malibu
Quantity2
Installation PositionUpstream or Downstream
Item LocatedUnited States
ConditionNew
item #1018EH4Q
Show less
AisinPart # OXSGM-00207
Upstream or Downstream O2 Oxygen Sensor | 1-Pc Direct-Fit | Aisin OXSGM-00207
4.5675 Reviews
$43.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2002 - 2002 Cadillac Escalade, 2002 - 2002 Cadillac Escalade, 2002 - 2002 Cadillac Escalade EXT, 2002 - 2002 GMC Sierra 1500, 2002 - 2002 GMC Yukon XL 1500, 2001 - 2002 GMC Yukon, 2001 - 2001 Chevrolet Silverado 1500 HD, 2001 - 2001 Chevrolet Silverado 2500 HD, 2001 - 2001 Chevrolet Silverado 3500, 2001 - 2001 GMC Savana 2500, 2001 - 2001 GMC Sierra 1500 HD, 2001 - 2001 GMC Sierra 2500 HD, 2001 - 2001 GMC Sierra 3500, 2001 - 2001 GMC Yukon XL 1500, 2000 - 2003 Chevrolet Impala, 2000 - 2002 Chevrolet Silverado 1500, 2000 - 2002 Chevrolet Silverado 1500, 2000 - 2002 Chevrolet Suburban 1500, 2000 - 2002 Chevrolet Tahoe, 2000 - 2002 Chevrolet Tahoe
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 1997 Chevrolet Malibu
Quantity1
Installation PositionUpstream or Downstream
Item LocatedUnited States
ConditionNew
item #1018EG2V
Show less
AisinPart # OXSGM-00285
Downstream O2 Oxygen Sensor | 2-Pc Direct-Fit | Aisin OXSGM-00285
4.5675 Reviews
$75.99
Low stock: Only 4 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2000 - 2003 Chevrolet Malibu, 1999 - 2004 Pontiac Grand Am, 1999 - 2003 Oldsmobile Alero, 1997 - 2003 Chevrolet Corvette, 1997 - 1999 Oldsmobile Cutlass, 1997 - 1998 Chevrolet Malibu
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 1997 Chevrolet Malibu
Quantity2
Installation PositionDownstream
Item LocatedUnited States
ConditionNew
item #1018EAAV
Show less
AisinPart # OXSGM-00284
Downstream O2 Oxygen Sensor | 1-Pc Direct-Fit | Aisin OXSGM-00284
4.5675 Reviews
$43.99
Low stock: Only 4 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2004 - 2004 Oldsmobile Alero, 2000 - 2003 Chevrolet Malibu, 1999 - 2004 Pontiac Grand Am, 1999 - 2003 Oldsmobile Alero, 1999 - 2001 Oldsmobile Alero, 1999 - 2001 Pontiac Grand Am, 1999 - 1999 Chevrolet Malibu, 1997 - 2003 Chevrolet Corvette, 1997 - 1999 Chevrolet Malibu, 1997 - 1999 Oldsmobile Cutlass, 1997 - 1998 Chevrolet Malibu
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 1997 Chevrolet Malibu
Quantity1
Installation PositionDownstream
Item LocatedUnited States
ConditionNew
item #1018EGTW
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BoschPart # 13450
Oxygen Sensor - Bosch 13450
46 Reviews
$69.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2002-2004 Oldsmobile Alero, 2002-2004 Pontiac Grand Am, 2002-2002 Chevrolet Cavalier, 2001-2001 Chevrolet Cavalier, 2000-2001 Pontiac Grand Am, 1999-2001 Oldsmobile Alero, 1999-1999 Chevrolet Malibu, 1999-1999 Chevrolet Malibu, 1999-1999 Pontiac Grand Am, 1999-1999 Pontiac Grand Am, 1998-2002 Pontiac Sunfire, 1998-2001 Chevrolet Cavalier, 1998-2001 Chevrolet Cavalier, 1998-2001 Pontiac Sunfire, 1998-1998 Chevrolet Cavalier, 1997-2003 Chevrolet Corvette, 1997-2003 Chevrolet Malibu, 1997-1999 Oldsmobile Cutlass, 1996-2001 Pontiac Sunfire, 1996-1998 Buick Skylark
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 1997 Chevrolet Malibu
Quantity1
Item LocatedUnited States
Part interchange
13450, 12569553, 19178929, 25312199, 25319622, 19178949, 19178948
item #1002CRKD
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BoschPart # 11027
Oxygen Sensor - Bosch 11027
46 Reviews
$49.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2001-2002 Saturn SC1, 2001-2002 Saturn SC2, 2001-2002 Saturn SL, 2001-2002 Saturn SL1, 2001-2002 Saturn SL2, 2001-2001 Saturn SW2, 2000-2000 Saturn SC1, 2000-2000 Saturn SL, 2000-2000 Saturn SL1, 1999-2000 Chevrolet S10, 1999-2000 GMC Sonoma, 1999-1999 Oldsmobile Alero, 1999-1999 Pontiac Grand Am, 1998-1998 Chevrolet S10, 1998-1998 GMC Sonoma, 1997-2000 Isuzu Hombre, 1997-1999 Chevrolet Malibu, 1996-2000 Saturn SC2, 1996-2000 Saturn SL2, 1996-2000 Saturn SW2
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 1997 Chevrolet Malibu
Quantity1
Item LocatedUnited States
Part interchange
11027, J3240083, 3238765, 91160612300, 94460613300, 0025421218
item #1002AYHA
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Spectra PremiumPart # OS5064
Spectra Premium OS5064 Oxygen Sensor, Upstream
4.45 Reviews
$23.99
Low stock: Only 1 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 1999-2000 Chevrolet S10, 1999-2000 GMC Sonoma, 1999-2000 Isuzu Hombre, 1999-1999 Chevrolet Cavalier, 1999-1999 Chevrolet Malibu, 1999-1999 Oldsmobile Alero, 1999-1999 Pontiac Grand Am, 1999-1999 Pontiac Sunfire, 1995-2002 Saturn SC1, 1995-2002 Saturn SC2, 1995-2002 Saturn SL, 1995-2002 Saturn SL1, 1995-2002 Saturn SL2, 1995-2001 Saturn SW2, 1995-1999 Saturn SW1
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 1997 Chevrolet Malibu
Quantity1
Installation PositionUpstream
Item LocatedUnited States
Part interchange
OS5064, 751831, 751870, SG418, SG443, SG487T, SG443T, SG487,
...View moreitem #1000YEZX
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DensoPart # 234-4018
Denso 234-4018 Oxygen Sensor
4.29 Reviews
$42.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2002-2002 Cadillac Escalade, 2002-2002 Cadillac Escalade, 2002-2002 Cadillac Escalade EXT, 2002-2002 Chevrolet Avalanche 1500, 2002-2002 Chevrolet Silverado 1500, 2001-2003 Chevrolet Impala, 2001-2003 Chevrolet Monte Carlo, 2001-2003 Pontiac Grand Prix, 2001-2002 Chevrolet Camaro, 2001-2002 GMC Sierra 1500, 2001-2002 GMC Yukon, 2001-2002 GMC Yukon XL 1500, 2001-2002 Pontiac Firebird, 2001-2001 Chevrolet Silverado 1500 HD, 2001-2001 Chevrolet Silverado 2500 HD, 2001-2001 Chevrolet Silverado 3500, 2001-2001 Chevrolet Suburban 2500, 2001-2001 GMC Sierra 1500, 2001-2001 GMC Sierra 1500 HD, 2001-2001 GMC Sierra 2500
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 1997 Chevrolet Malibu
Quantity1
Item LocatedUnited States
Part interchange
234-4018, 21539, AFS106, AFS109, AFS135, AFS95, AFS125, OS839,
...View moreitem #1003S2DE
Show less
DensoPart # 234-4212
Denso 234-4212 Oxygen Sensor
4.29 Reviews
$58.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2015-2015 Buick LaCrosse, 2014-2017 Buick Regal, 2014-2015 Chevrolet Camaro, 2014-2015 Chevrolet SS, 2014-2014 Chevrolet Impala, 2014-2014 Chevrolet Suburban 1500, 2013-2014 Chevrolet Malibu, 2013-2014 Ford E-350 Super Duty, 2013-2013 Chevrolet Suburban 2500, 2012-2017 Buick Verano, 2012-2015 Chevrolet Caprice, 2012-2013 Chevrolet Orlando, 2011-2014 Chevrolet Silverado 3500 HD, 2011-2014 Chevrolet Silverado 3500 HD, 2011-2014 GMC Sierra 3500 HD, 2011-2014 GMC Sierra 3500 HD, 2011-2013 Buick Regal, 2011-2013 Chevrolet Suburban 1500, 2011-2012 Chevrolet Silverado 2500 HD, 2011-2012 Chevrolet Silverado 2500 HD
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 1997 Chevrolet Malibu
Quantity1
Item LocatedUnited States
Part interchange
234-4212, 13383, 13598, 13687, 15718, 15155, 15114, 15133,
...View moreitem #1004YY59
Show less
DensoPart # 234-4000
Denso 234-4000 Oxygen Sensor
4.29 Reviews
$71.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2004-2004 Buick Rendezvous, 2004-2004 Chevrolet Impala, 2004-2004 Chevrolet Monte Carlo, 2003-2003 Buick LeSabre, 2003-2003 Chevrolet Corvette, 2003-2003 Isuzu Rodeo Sport, 2002-2004 Oldsmobile Alero, 2002-2004 Pontiac Grand Am, 2002-2003 Buick Regal, 2002-2003 Buick Rendezvous, 2002-2003 Chevrolet S10, 2002-2003 GMC Sonoma, 2002-2002 Cadillac Escalade, 2002-2002 Cadillac Escalade, 2002-2002 Cadillac Escalade EXT, 2002-2002 Chevrolet Avalanche 1500, 2002-2002 Chevrolet Camaro, 2002-2002 Chevrolet Camaro, 2002-2002 Chevrolet Camaro, 2002-2002 Chevrolet Cavalier
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 1997 Chevrolet Malibu
Quantity1
Item LocatedUnited States
Part interchange
234-4000, 13470, 15503, 15702, 15058, 13111, 13027, 13326,
...View moreitem #1003S484
Show less
DensoPart # 234-4617
Denso 234-4617 Oxygen Sensor, Downstream
4.29 Reviews
$67.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2002-2004 Oldsmobile Alero, 2002-2004 Pontiac Grand Am, 1999-2001 Oldsmobile Alero, 1999-2001 Pontiac Grand Am, 1999-1999 Oldsmobile Cutlass, 1997-2003 Chevrolet Corvette, 1997-2003 Chevrolet Malibu, 1997-1997 Oldsmobile Cutlass
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 1997 Chevrolet Malibu
Quantity1
Installation PositionDownstream
Item LocatedUnited States
Part interchange
234-4617, 21537, 213-1680, 213-810, AFS113, AFS108, OS231, OS2246,
...View moreitem #1005HRWG
Show less
Walker ProductsPart # 250-24617
Walker Products 250-24617 Oxygen Sensor
56 Reviews
$65.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2004-2004 Oldsmobile Alero, 2003-2003 Chevrolet Corvette, 2000-2003 Chevrolet Malibu, 2000-2001 Pontiac Grand Am, 1999-2004 Pontiac Grand Am, 1999-2003 Oldsmobile Alero, 1999-2001 Oldsmobile Alero, 1999-2001 Pontiac Grand Am, 1999-1999 Chevrolet Malibu, 1999-1999 Chevrolet Malibu, 1998-1998 Chevrolet Malibu, 1997-2002 Chevrolet Corvette, 1997-1999 Chevrolet Malibu, 1997-1999 Oldsmobile Cutlass, 1997-1998 Chevrolet Malibu
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 1997 Chevrolet Malibu
Quantity1
Item LocatedUnited States
Part interchange
250-24617
item #1001PCHQ
Show less
Your vehicle’s oxygen sensor (also known as O2 sensors) plays a critical role in engine performance, fuel efficiency, and emissions control. By continuously measuring the amount of unburned oxygen in the exhaust, the oxygen sensor sends real-time feedback to your engine control unit (ECU), ensuring the perfect air-fuel mixture.
When an oxygen sensor fails, your engine essentially runs “blind,” leading to poor fuel economy, rough idling, reduced performance, and a persistent check engine light. A timely front oxygen sensor replacement or replacement of a faulty upstream oxygen sensor or downstream oxygen sensor can restore optimal driving conditions and help you pass emissions tests with ease.
Why Choose A-Premium Oxygen Sensors?
Unlike universal parts that require cutting and splicing wires, A-Premium O2 sensors are engineered for direct plug-and-play installation.
- OEM-style connectors for seamless fit
- Pre-coated anti-seize threads for easy installation
- Laser-welded body construction for durability
- High-temperature sintered coating for long service life
- Premium insulation sheathing and impact-resistant design
- Slotted guard tube for sensor protection
- High heat dissipation structure for extreme environments
Advanced Performance & Precision
A-Premium oxygen sensor technology ensures fast, accurate, and stable performance:
Performance & Response
- ≤200ms fast response time
- High-efficiency oxygen sensing
- Zirconia sensing element
- Real-time signal feedback
Precision & Control
- Real-time exhaust tracking
- Accurate combustion control
- Stable signal output
Efficiency & Engine Benefits
- Improved fuel efficiency
- Enhanced engine performance
- Reduced harmful emissions
- Extended engine lifespan
Environmental Adaptability
- Operating range: -40°F to 266°F
- Air-tight sealing design
- Stable performance under harsh conditions
3 Symptoms of a Bad Oxygen Sensor
Because O2 sensors operate in extreme heat and carbon-rich environments, they naturally degrade over time.
- Check Engine Light (CEL): Common codes include P0135, P0171, and P0420. These often point to issues with an upstream oxygen sensor or oxygen sensor bank 1.
- Poor Fuel Economy: A faulty oxygen sensor may cause a rich fuel mixture, dramatically lowering MPG. 20-40% worse fuel economy overnight.
- Rough Idle & Stalling: Incorrect readings from your downstream oxygen sensor or upstream sensor can disrupt engine stability.
- Rotten egg smell: Catalytic converter overheating from bad fuel mixture
Understanding O2 Sensor Positions: Upstream vs Downstream
Modern vehicles may have multiple oxygen sensor units, making it essential to identify the correct one:
- Oxygen Sensor Bank 1vs Bank 2
- oxygen sensor bank 1 refers to the side of the engine with Cylinder #1
- Bank 2 is the opposite side
- Upstream Oxygen Sensor(Sensor 1)
- Located before the catalytic converter
- Controls air-fuel ratio
- Most common need for front oxygen sensor replacement
- Downstream Oxygen Sensor(Sensor 2)
- Located after the catalytic converter
- Monitors emissions system efficiency
Tip: Always match your diagnostic code to the correct upstream oxygen sensor or downstream oxygen sensor before purchasing.
Complete Your Emissions Repair
Replacing your oxygen sensor is often part of a larger emissions system fix. Consider inspecting these related components:
- Catalytic Converter: Persistent issues after replacing a downstream oxygen sensor may indicate converter failure
- MAF Sensor: Works with your oxygen sensor to calculate air intake
- Ignition Coils & Spark Plugs: Misfires can damage O2 sensors quickly
Shop by Popular Makes
To help you quickly find the right oxygen sensor, explore our most popular vehicle-specific options:
Browse our most searched and best-selling vehicle-specific oxygen sensor options to quickly locate the right fit for your car.
Frequently Asked Questions
Can I clean my oxygen sensor instead of replacing it?
Should I replace O2 sensors in pairs?
Do I need a special tool?
How long do oxygen sensors last?
What’s the difference between upstream and downstream sensors?
What happens if I ignore a bad oxygen sensor?
How do I know if it’s Bank 1 or Bank 2?
Will replacing an oxygen sensor improve MPG?
How do oxygen sensor voltages relate to fuel mixture?
How much does it cost to replace an oxygen sensor?
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Related Blogs
P0139 Code: Bank 1 Sensor 2 Slow Response & Fixes
Fix P0139 (Bank 1 Sensor 2 Slow Response) by checking wiring, exhaust leaks, and heater circuits before replacing the sensor. Learn step-by-step diagnosis, proper part selection, and why this code doesn't always mean a bad catalytic converter.
Oct 28, 2026
P0134 Code: O2 Sensor Circuit No Activity Detected (Bank 1 Sensor 1)
Fix P0134 (O2 Sensor Circuit No Activity) by inspecting wiring, testing heater circuits, and verifying sensor data before replacing parts. Avoid misdiagnosis with this step-by-step guide to restore fuel efficiency and ensure accurate repairs.
Oct 28, 2026
Best O2 Sensor Brands: Choose the Right Replacement
Compare top O2 sensor brands like A-Premium, DENSO, NTK, and Bosch. Learn to verify fitment, distinguish upstream/downstream sensors, and avoid common buying mistakes for a reliable, cost-effective replacement.
Oct 14, 2026
Why Is My Car Running Worse After a New O2 Sensor?
Car running worse after O2 sensor replacement? Check part compatibility, wiring, and exhaust leaks before assuming a bad sensor. Learn to diagnose fuel trims, verify installation, and avoid costly mistakes with this step-by-step guide.
Oct 13, 2026
Can I Use a Downstream Oxygen Sensor for Upstream?
No, upstream and downstream O2 sensors are rarely interchangeable. Differences in technology, electrical specs, and function mean swapping them causes engine issues. Learn why mixing them fails and how to identify the correct sensor for your vehicle.
Oct 12, 2026