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Cadillac Allante Oxygen Sensors
14 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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BoschPart # 15702
Oxygen Sensor - Upstream - Bosch 15702
46 Reviews
$75.99
Low stock: Only 1 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 1995-1995 Oldsmobile Aurora, 1994-1995 Cadillac DeVille, 1994-1995 Cadillac DeVille, 1994-1995 Cadillac Eldorado, 1994-1995 Cadillac Seville, 1993-1993 Cadillac Allante, 1993-1993 Cadillac Eldorado, 1993-1993 Cadillac Seville
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Cadillac Allante
Quantity1
Installation PositionUpstream
Item LocatedUnited States
Part interchange
15702, 19178939
item #1002DTT8
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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: Cadillac Allante
Quantity1
Item LocatedUnited States
Part interchange
234-4000, 13470, 15503, 15702, 15058, 13111, 13027, 13326,
...View moreitem #1003S484
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DensoPart # 234-2001
Oxygen Sensor - Upstream - Denso 234-2001
4.29 Reviews
$48.99
Low stock: Only 1 left
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, 1988-1993 Cadillac DeVille, 1988-1992 Cadillac Fleetwood, 1988-1992 Cadillac Seville, 1987-1992 Cadillac Allante, 1987-1992 Cadillac Eldorado, 1987-1987 Cadillac Fleetwood, 1986-1986 Cadillac Fleetwood, 1983-1984 Cadillac DeVille, 1983-1984 Cadillac Eldorado, 1983-1984 Cadillac Fleetwood, 1983-1984 Cadillac Fleetwood, 1983-1984 Cadillac Seville, 1982-1982 Buick Skyhawk
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Cadillac Allante
Quantity1
Installation PositionUpstream
Item LocatedUnited States
Part interchange
234-2001, 21553, 96377500, 19211435, AFS23, 25165119, 213-2859, 213-322,
...View moreitem #1002HNYP
Show less
Walker ProductsPart # 250-24006
Walker Products 250-24006 Oxygen Sensor
55 Reviews
$63.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 1995-1995 Cadillac DeVille, 1995-1995 Oldsmobile Aurora, 1994-1995 Cadillac DeVille, 1994-1995 Cadillac Eldorado, 1994-1995 Cadillac Seville, 1994-1994 Cadillac DeVille, 1993-1993 Cadillac Allante, 1993-1993 Cadillac Eldorado, 1993-1993 Cadillac Seville
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Cadillac Allante
Quantity1
Item LocatedUnited States
Part interchange
250-24006
item #1001PAR3
Show less
BoschPart # 15732
Bosch 15732 Oxygen Sensor
46 Reviews
$62.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2004-2004 Buick Rendezvous, 2004-2004 Subaru Impreza, 2004-2004 Subaru Impreza, 2004-2004 Subaru Impreza, 2002-2004 Oldsmobile Alero, 2002-2004 Pontiac Grand Am, 2002-2003 Buick Rendezvous, 2002-2003 Isuzu Axiom, 2002-2003 Isuzu Rodeo, 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 Cavalier, 2002-2002 Chevrolet Monte Carlo, 2002-2002 Chevrolet Silverado 1500, 2002-2002 Chevrolet Silverado 1500, 2002-2002 GMC Yukon
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Cadillac Allante
QuantityOne Set
Item LocatedUnited States
Part interchange
15732
item #1002DYTL
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Walker ProductsPart # 250-22001
Walker Products 250-22001 Oxygen Sensor
55 Reviews
$47.99
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, 1986-1986 Cadillac Fleetwood, 1983-1984 Cadillac DeVille, 1983-1984 Cadillac Eldorado
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Cadillac Allante
Quantity1
Item LocatedUnited States
Part interchange
250-22001
item #1001P8L1
Show less
DensoPart # 234-2000
Denso 234-2000 Oxygen Sensor
4.29 Reviews
$49.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2002-2002 Chevrolet Cavalier, 2002-2002 Pontiac Sunfire, 2001-2001 Saturn L100, 2001-2001 Saturn L200, 2001-2001 Saturn LW200, 2000-2003 Chevrolet S10, 2000-2003 GMC Sonoma, 2000-2001 Chevrolet Cavalier, 2000-2001 Oldsmobile Alero, 2000-2001 Pontiac Grand Am, 2000-2001 Pontiac Sunfire, 2000-2000 Saturn LS, 2000-2000 Saturn LS1, 2000-2000 Saturn LW1, 1999-2002 Daewoo Lanos, 1999-2002 Daewoo Leganza, 1999-2002 Daewoo Nubira, 1998-2000 Chevrolet Camaro, 1998-2000 Pontiac Firebird, 1998-1999 Toyota Celica
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Cadillac Allante
Quantity1
Item LocatedUnited States
Part interchange
234-2000, 12043, 12019, 12023, 12041, 13928, 12109, 12053,
...View moreitem #1002HRLR
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DensoPart # 234-4006
Oxygen Sensor - Upstream - Denso 234-4006
4.29 Reviews
$58.99
Low stock: Only 4 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 1995-1995 Oldsmobile Aurora, 1994-1995 Cadillac DeVille, 1994-1995 Cadillac Eldorado, 1994-1995 Cadillac Seville, 1993-1993 Cadillac Allante, 1993-1993 Cadillac Eldorado, 1993-1993 Cadillac Seville
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Cadillac Allante
Quantity1
Installation PositionUpstream
Item LocatedUnited States
Part interchange
234-4006, 21506, 213-2883, AFS73, 213-4284, OS695, OS133, 15702,
...View moreitem #1003S3ZS
Show less
Walker ProductsPart # 350-32013
Walker Products 350-32013 Oxygen Sensor
55 Reviews
$30.99
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, 1995-1995 Cadillac DeVille, 1994-1994 Cadillac DeVille, 1993-1993 Cadillac 60 Special, 1993-1993 Cadillac Eldorado, 1993-1993 Cadillac Seville, 1992-1993 Cadillac Commercial Chassis, 1992-1992 Cadillac Seville, 1991-1992 Cadillac Eldorado, 1991-1991 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, 1986-1986 Cadillac Fleetwood
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Cadillac Allante
Quantity1
Item LocatedUnited States
Part interchange
350-32013
item #1001P9T8
Show less
BoschPart # 12028
Oxygen Sensor - Upstream - Bosch 12028
46 Reviews
$50.99
Low stock: Only 2 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2000-2002 Daewoo Lanos, 1999-2002 Daewoo Leganza, 1999-2002 Daewoo Nubira, 1999-1999 Daewoo Lanos, 1999-1999 Daewoo Lanos, 1994-1995 Cadillac DeVille, 1993-1993 Cadillac 60 Special, 1993-1993 Cadillac Eldorado, 1993-1993 Cadillac Seville, 1992-1993 Cadillac Commercial Chassis, 1988-1993 Cadillac DeVille, 1988-1992 Cadillac Fleetwood, 1988-1992 Cadillac Seville, 1988-1991 Cadillac Commercial Chassis, 1987-1992 Cadillac Allante, 1987-1992 Cadillac Eldorado, 1982-1984 Cadillac DeVille, 1982-1984 Cadillac Eldorado, 1982-1984 Cadillac Fleetwood, 1982-1984 Cadillac Seville
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Cadillac Allante
Quantity1
Installation PositionUpstream
Item LocatedUnited States
Part interchange
12028, 19211435, 96377500, 3240083
item #1002C6VX
Show less
Walker ProductsPart # 350-34568
Walker Products 350-34568 Oxygen Sensor
55 Reviews
$45.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 1995-1995 Cadillac DeVille, 1995-1995 Cadillac Eldorado, 1995-1995 Cadillac Seville, 1995-1995 Oldsmobile Aurora, 1994-1995 Cadillac DeVille, 1994-1994 Cadillac DeVille, 1994-1994 Cadillac Eldorado, 1994-1994 Cadillac Seville, 1993-1993 Cadillac Allante, 1993-1993 Cadillac Eldorado, 1993-1993 Cadillac Seville
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Cadillac Allante
Quantity1
Item LocatedUnited States
Part interchange
350-34568
item #1001PG3S
Show less
DelphiPart # ES20018
Oxygen Sensor - Delphi ES20018
4.645 Reviews
$59.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 1995-1995 Oldsmobile Aurora, 1994-1995 Cadillac DeVille, 1994-1995 Cadillac DeVille, 1994-1995 Cadillac Eldorado, 1994-1995 Cadillac Seville, 1993-1993 Cadillac Allante, 1993-1993 Cadillac Eldorado, 1993-1993 Cadillac Seville
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Cadillac Allante
Quantity1
Item LocatedUnited States
Part interchange
ES20018, 5S3131, SU1095, AFS73, 25024006, 19178939, 25132086, 25133369,
...View moreitem #1001X75P
Show less
DelphiPart # ES10003
Oxygen Sensor - Front Side - Delphi ES10003
4.645 Reviews
$44.99
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, 1990-1992 Cadillac Fleetwood, 1988-1993 Cadillac DeVille, 1988-1992 Cadillac Seville, 1988-1991 Cadillac Commercial Chassis, 1988-1989 Cadillac Fleetwood, 1988-1989 Cadillac Fleetwood, 1988-1989 Cadillac Fleetwood, 1987-1992 Cadillac Allante, 1987-1992 Cadillac Eldorado
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Cadillac Allante
Quantity1
Installation PositionFront
Item LocatedUnited States
Part interchange
ES10003, 5S3069, 5S3128, 5S3224, SU101, SU1387, SU416, 21310,
...View moreitem #1001X58W
Show less
Spectra 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: Cadillac Allante
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
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
P0130 Code: Bank 1 Sensor 1 O2 Circuit Diagnosis & Fixes
Diagnose P0130 (Bank 1 Sensor 1 O2 Circuit) accurately. Avoid guessing: check wiring, exhaust leaks, and engine conditions before replacing the sensor. Learn proper testing steps, safety tips, and how to confirm the fix for lasting results.
Sep 29, 2026
Can You Clean an O2 Sensor to Make It Work Again?
Cleaning an O2 sensor rarely fixes internal faults or chemical poisoning. Learn to diagnose root causes, interpret deposit colors, avoid damaging methods, and determine when replacement is the only reliable solution for engine health.
Sep 22, 2026
P0031 Code: Bank 1 Sensor 1 Heater Circuit Low
Diagnose P0031 (Bank 1 Sensor 1 Heater Circuit Low) with our step-by-step guide. Identify causes like faulty wiring, blown fuses, or bad sensors. Test resistance and power safely to avoid unnecessary replacements and ensure accurate repairs.
Sep 22, 2026
P0138 Code: O2 Sensor Circuit High Voltage (Bank 1 Sensor 2)
P0138 indicates high voltage in the Bank 1 Sensor 2 O2 circuit. Don't just replace the sensor; diagnose wiring shorts, connector issues, or rich fuel conditions first. Learn proper location, symptoms, and step-by-step fixes to avoid costly mistakes.
Sep 10, 2026