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1985 Chevrolet Impala Oxygen Sensors
15 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 # OS177
Upstream O2 Oxygen Sensor | 1-Pc Direct-Fit | A-Premium OS177
4.5678 Reviews
$31.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 1995 - 1995 Isuzu Pickup, 1994 - 1995 GEO Tracker, 1994 - 1995 Honda Passport, 1994 - 1995 Isuzu Pickup, 1994 - 1995 Suzuki Sidekick, 1993 - 1995 Isuzu Rodeo, 1993 - 1994 Isuzu Amigo, 1993 - 1993 Isuzu Pickup, 1992 - 1993 Suzuki Sidekick, 1991 - 1993 GEO Tracker, 1991 - 1991 Isuzu Stylus, 1991 - 1991 Suzuki Sidekick, 1990 - 1992 Isuzu Impulse, 1990 - 1991 GEO Storm, 1985 - 1985 Chevrolet Caprice, 1985 - 1985 Chevrolet El Camino, 1985 - 1985 Chevrolet Impala, 1985 - 1985 Chevrolet Monte Carlo, 1985 - 1985 GMC Caballero, 1985 - 1985 Pontiac Parisienne
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Vehicle: 1985 Chevrolet Impala
Quantity1
Installation PositionUpstream
Item LocatedUnited States
ConditionNew
item #100304G8
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AisinPart # OXSAZ-00224
Upstream O2 Oxygen Sensor | 1-Pc Direct-Fit | Aisin OXSAZ-00224
4.5678 Reviews
$43.99
Low stock: Only 4 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 1995 - 1995 Isuzu Pickup, 1994 - 1995 Honda Passport, 1994 - 1995 Isuzu Rodeo, 1993 - 1995 Isuzu Pickup, 1993 - 1994 Isuzu Amigo, 1993 - 1993 Isuzu Rodeo, 1991 - 1995 Geo Tracker, 1991 - 1995 Suzuki Sidekick, 1991 - 1991 Isuzu Stylus, 1990 - 1992 Isuzu Impulse, 1990 - 1991 Geo Storm, 1985 - 1985 Chevrolet Caprice, 1985 - 1985 Chevrolet El Camino, 1985 - 1985 Chevrolet Impala, 1985 - 1985 Chevrolet Monte Carlo, 1985 - 1985 GMC Caballero, 1985 - 1985 Pontiac Parisienne
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Vehicle: 1985 Chevrolet Impala
Quantity1
Installation PositionUpstream
Item LocatedUnited States
ConditionNew
item #1018EDR8
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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
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Vehicle: 1985 Chevrolet Impala
Quantity1
Item LocatedUnited States
Part interchange
11027, J3240083, 3238765, 91160612300, 94460613300, 0025421218
item #1002AYHA
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DensoPart # 234-3074
Oxygen Sensor - Upstream - Denso 234-3074
4.29 Reviews
$60.99
Low stock: Only 2 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 1995-1995 Isuzu Pickup, 1994-1995 Honda Passport, 1994-1995 Isuzu Rodeo, 1994-1994 Isuzu Amigo, 1994-1994 Isuzu Pickup, 1993-1993 Isuzu Amigo, 1993-1993 Isuzu Pickup, 1993-1993 Isuzu Rodeo, 1985-1985 Chevrolet Caprice, 1985-1985 Chevrolet El Camino, 1985-1985 Chevrolet Impala, 1985-1985 Chevrolet Monte Carlo, 1985-1985 GMC Caballero, 1985-1985 Pontiac Parisienne
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 1985 Chevrolet Impala
Quantity1
Installation PositionUpstream
Item LocatedUnited States
Part interchange
234-3074, 8970622920, 21541, 213-629, 213-9, 213-1230, OS2087, OS130,
...View moreitem #1003RYXW
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Walker ProductsPart # 250-23004
Walker Products 250-23004 Oxygen Sensor, Upstream
56 Reviews
$60.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 1995-1995 Isuzu Pickup, 1995-1995 Isuzu Rodeo, 1994-1995 Geo Tracker, 1994-1995 Honda Passport, 1994-1995 Suzuki Sidekick, 1994-1994 Isuzu Amigo, 1994-1994 Isuzu Pickup, 1994-1994 Isuzu Rodeo, 1993-1993 Isuzu Amigo, 1993-1993 Isuzu Pickup, 1993-1993 Isuzu Rodeo, 1992-1993 Suzuki Sidekick, 1992-1992 Isuzu Impulse, 1991-1993 Geo Tracker, 1991-1991 Isuzu Stylus, 1991-1991 Suzuki Sidekick, 1990-1991 Geo Storm, 1990-1991 Isuzu Impulse, 1985-1985 Chevrolet Caprice, 1985-1985 Chevrolet El Camino
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 1985 Chevrolet Impala
Quantity1
Installation PositionUpstream
Item LocatedUnited States
Part interchange
250-23004
item #1001PC72
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BoschPart # 15701
Bosch 15701 Oxygen Sensor, Upstream
46 Reviews
$63.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 1995-1995 Isuzu Pickup, 1995-1995 Pontiac Sunrunner, 1994-1995 Geo Tracker, 1994-1995 Honda Passport, 1994-1995 Suzuki Sidekick, 1994-1994 Isuzu Amigo, 1994-1994 Isuzu Pickup, 1994-1994 Isuzu Rodeo, 1993-1993 Isuzu Amigo, 1993-1993 Isuzu Pickup, 1993-1993 Isuzu Rodeo, 1992-1993 Suzuki Sidekick, 1992-1992 Isuzu Impulse, 1991-1993 Geo Tracker, 1991-1991 Chevrolet Tracker, 1991-1991 GMC Tracker, 1991-1991 Isuzu Stylus, 1991-1991 Suzuki Sidekick, 1990-1991 Geo Storm, 1990-1991 Isuzu Impulse
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 1985 Chevrolet Impala
Quantity1
Installation PositionUpstream
Item LocatedUnited States
Part interchange
15701, 19178951, 1821356B00, 25132169, 25161530, 8990793, 97018587, 8970622920,
...View moreitem #1002DWT5
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DensoPart # 234-3090
Denso 234-3090 Oxygen Sensor
4.29 Reviews
$72.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2004-2004 Nissan Altima, 2004-2004 Nissan Frontier, 2004-2004 Nissan Xterra, 2003-2003 INFINITI QX4, 2002-2004 INFINITI I35, 2002-2003 Nissan Altima, 2002-2003 Nissan Frontier, 2002-2003 Nissan Xterra, 2002-2002 INFINITI QX4, 2001-2001 Nissan Frontier, 2001-2001 Nissan Sentra, 2001-2001 Nissan Xterra, 2001-2001 Nissan Xterra, 2001-2001 Nissan Xterra, 2000-2001 INFINITI QX4, 2000-2001 Nissan Sentra, 2000-2001 Nissan Sentra, 2000-2000 Nissan Xterra, 1999-2002 INFINITI G20, 1999-1999 Subaru Forester
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Vehicle: 1985 Chevrolet Impala
Quantity1
Item LocatedUnited States
Part interchange
234-3090, 13224, 13562, 13329, 13019, 15343, 13160, 13350,
...View moreitem #1003RWWP
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BoschPart # 15726
Bosch 15726 Oxygen Sensor
46 Reviews
$62.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2002-2003 INFINITI QX4, 2002-2002 INFINITI G20, 2001-2002 Mercury Villager, 2001-2002 Nissan Quest, 2001-2001 INFINITI G20, 2001-2001 INFINITI QX4, 2001-2001 Nissan Altima, 2001-2001 Nissan Maxima, 2000-2004 Nissan Xterra, 2000-2002 Nissan Frontier, 2000-2002 Nissan Xterra, 2000-2002 Nissan Xterra, 2000-2001 INFINITI I30, 2000-2000 Nissan Maxima, 1999-2004 Nissan Frontier, 1999-2002 Nissan Frontier, 1999-2000 Mercury Villager, 1999-2000 Nissan Quest, 1999-1999 INFINITI G20, 1999-1999 INFINITI I30
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Vehicle: 1985 Chevrolet Impala
QuantityOne Set
Item LocatedUnited States
Part interchange
15726
item #1002DWEU
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Walker ProductsPart # 250-21001
Walker Products 250-21001 Oxygen Sensor
56 Reviews
$32.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2004-2010 Chevrolet Tornado, 2003-2005 Chevrolet Vectra, 2000-2000 Chevrolet P30, 1999-1999 Pontiac Grand Am, 1997-1998 Chevrolet Malibu, 1997-1998 Isuzu Hombre, 1996-1998 Buick Skylark, 1996-1998 Chevrolet Cavalier, 1996-1998 Oldsmobile Achieva, 1996-1998 Pontiac Grand Am, 1996-1996 Isuzu Hombre, 1995-1998 Pontiac Sunfire, 1995-1996 AM General Hummer, 1995-1995 Chevrolet Camaro, 1995-1995 Chevrolet Cavalier, 1995-1995 Chevrolet Suburban 1500, 1995-1995 Chevrolet Tahoe, 1995-1995 GMC C1500 Suburban, 1995-1995 GMC K1500 Suburban, 1995-1995 Pontiac Firebird
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Vehicle: 1985 Chevrolet Impala
Quantity1
Item LocatedUnited States
Part interchange
250-21001
item #1001PD65
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Walker ProductsPart # 350-33022
Walker Products 350-33022 Oxygen Sensor, Upstream
56 Reviews
$43.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 1995-1995 Isuzu Pickup, 1995-1995 Isuzu Rodeo, 1994-1995 Geo Tracker, 1994-1995 Honda Passport, 1994-1995 Suzuki Sidekick, 1994-1994 Isuzu Amigo, 1994-1994 Isuzu Pickup, 1994-1994 Isuzu Rodeo, 1993-1993 Isuzu Amigo, 1993-1993 Isuzu Pickup, 1993-1993 Isuzu Rodeo, 1992-1993 Suzuki Sidekick, 1992-1992 Isuzu Impulse, 1991-1993 Geo Tracker, 1991-1991 Isuzu Stylus, 1991-1991 Suzuki Sidekick, 1990-1991 Geo Storm, 1990-1991 Isuzu Impulse, 1985-1985 Chevrolet Caprice, 1985-1985 Chevrolet El Camino
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 1985 Chevrolet Impala
Quantity1
Installation PositionUpstream
Item LocatedUnited States
Part interchange
350-33022
item #1001P9A0
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Walker ProductsPart # 350-31027
Walker Products 350-31027 Oxygen Sensor
56 Reviews
$32.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2004-2010 Chevrolet Tornado, 2004-2005 Chevrolet Meriva, 2003-2005 Chevrolet Vectra, 2002-2005 Chevrolet Corsa, 2000-2000 Chevrolet P30, 1999-2003 Chevrolet Chevy Pickup, 1999-1999 Pontiac Grand Am, 1997-1998 Chevrolet Malibu, 1997-1998 Isuzu Hombre, 1996-1998 Buick Skylark, 1996-1998 Chevrolet Cavalier, 1996-1998 Oldsmobile Achieva, 1996-1998 Pontiac Grand Am, 1996-1996 Isuzu Hombre, 1995-1998 Pontiac Sunfire, 1995-1996 AM General Hummer, 1995-1995 Chevrolet Cavalier, 1995-1995 Chevrolet Suburban 1500, 1995-1995 Chevrolet Tahoe, 1995-1995 GMC C1500 Suburban
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 1985 Chevrolet Impala
Quantity1
Item LocatedUnited States
Part interchange
350-31027
item #1001PCTE
Show less
BoschPart # 12014
Oxygen Sensor - Upstream - Bosch 12014
46 Reviews
$40.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 1999-1999 Pontiac Grand Am, 1998-1998 Chevrolet S10, 1998-1998 GMC Sonoma, 1997-1998 Chevrolet Malibu, 1997-1998 Isuzu Hombre, 1996-1998 Buick Skylark, 1996-1998 Chevrolet Cavalier, 1996-1998 Oldsmobile Achieva, 1996-1998 Pontiac Grand Am, 1996-1996 Isuzu Hombre, 1995-1998 Pontiac Sunfire, 1995-1996 AM General Hummer, 1995-1996 Chevrolet G30, 1995-1995 Chevrolet Cavalier, 1995-1995 Chevrolet Tahoe, 1995-1995 GMC C1500, 1995-1995 GMC C1500, 1995-1995 GMC C1500 Suburban, 1995-1995 GMC C2500, 1995-1995 GMC C2500 Suburban
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 1985 Chevrolet Impala
Quantity1
Installation PositionUpstream
Item LocatedUnited States
Part interchange
12014, 6003981, 5014780AA, 19211437, 8990469, 8990741, 1821360B00, 1821364B00,
...View moreitem #1002C4Z9
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DelphiPart # ES10047
Oxygen Sensor - Delphi ES10047
4.647 Reviews
$94.99
Low stock: Only 3 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 1995-1995 Geo Tracker, 1995-1995 Isuzu Pickup, 1994-1995 Honda Passport, 1994-1995 Suzuki Sidekick, 1994-1995 Suzuki Sidekick, 1994-1994 Isuzu Amigo, 1994-1994 Isuzu Pickup, 1994-1994 Isuzu Rodeo, 1993-1993 Isuzu Amigo, 1993-1993 Isuzu Pickup, 1993-1993 Isuzu Rodeo, 1992-1993 Suzuki Sidekick, 1992-1992 Isuzu Impulse, 1991-1991 Isuzu Stylus, 1991-1991 Suzuki Sidekick, 1990-1991 Geo Storm, 1990-1991 Isuzu Impulse, 1985-1985 Chevrolet Caprice, 1985-1985 Chevrolet El Camino, 1985-1985 Chevrolet Impala
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 1985 Chevrolet Impala
Quantity1
Item LocatedUnited States
Part interchange
ES10047, 5S3155, 5S3364, 5S3365, SU1222, SU1243, SU182, 2131658,
...View moreitem #1001X2CX
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DelphiPart # ES10966
Oxygen Sensor - Front Side - Delphi ES10966
4.647 Reviews
$30.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 1999-1999 Pontiac Grand Am, 1998-1998 Chevrolet S10, 1998-1998 Chevrolet S10, 1998-1998 GMC Sonoma, 1998-1998 GMC Sonoma, 1998-1998 GMC Sonoma, 1997-1998 Chevrolet Malibu, 1997-1998 Isuzu Hombre, 1996-1998 Buick Skylark, 1996-1998 Chevrolet Cavalier, 1996-1998 Oldsmobile Achieva, 1996-1998 Pontiac Grand Am, 1996-1997 Chevrolet S10, 1996-1997 GMC Sonoma, 1996-1996 Buick Century, 1996-1996 Chevrolet Beretta, 1996-1996 Chevrolet Corsica, 1996-1996 Isuzu Hombre, 1996-1996 Oldsmobile Cutlass Ciera, 1995-1998 Pontiac Sunfire
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 1985 Chevrolet Impala
Quantity1
Installation PositionFront
Item LocatedUnited States
Part interchange
ES10966, 5S3072, 5S3936, 5S3071, SU100, SU1434, SU4700, 213502,
...View moreitem #1001XAT5
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SOLD
OUTSpectra PremiumPart # OS5048
Spectra Premium OS5048 Oxygen Sensor
4.45 Reviews
$23.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 1999-2002 Daewoo Lanos, 1999-2002 Daewoo Leganza, 1999-2002 Daewoo Nubira, 1994-1995 Cadillac DeVille, 1993-1993 Cadillac 60 Special, 1993-1993 Cadillac Eldorado, 1993-1993 Cadillac Seville, 1992-1993 Cadillac Commercial Chassis, 1991-1992 Cadillac Eldorado, 1991-1992 Cadillac Seville, 1988-1993 Cadillac DeVille, 1988-1992 Cadillac Fleetwood, 1988-1991 Cadillac Commercial Chassis, 1988-1990 Cadillac Seville, 1987-1992 Cadillac Allante, 1987-1990 Cadillac Eldorado, 1987-1987 Cadillac Fleetwood, 1986-1987 Cadillac Commercial Chassis, 1986-1986 Cadillac Fleetwood, 1985-1985 Cadillac Commercial Chassis
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 1985 Chevrolet Impala
Quantity1
Item LocatedUnited States
Part interchange
OS5048, 751502, 753249, SG3T, SG3, ASF5P, AFS23, 213322,
...View moreitem #1000YE58
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