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2001 Honda Civic Oxygen Sensors
106 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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AisinPart # OXSH-00034
Upstream or Downstream O2 Oxygen Sensor | 1-Pc Direct-Fit | Aisin OXSH-00034
4.5678 Reviews
$43.99
Low stock: Only 4 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2004 - 2005 Acura EL, 2002 - 2004 Honda Odyssey, 2001 - 2005 Honda Civic, 2001 - 2003 Acura CL, 2001 - 2003 Acura EL, 2000 - 2005 Acura NSX, 1999 - 2003 Acura TL, 1998 - 2002 Honda Accord, 1998 - 2001 Honda Prelude
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 2001 Honda Civic
Quantity1
Installation PositionUpstream or Downstream
Item LocatedUnited States
ConditionNew
item #1018EHD3
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AisinPart # OXSH-00012
Upstream or Downstream O2 Oxygen Sensor | 1-Pc Direct-Fit | Aisin OXSH-00012
4.5678 Reviews
$43.99
Low stock: Only 3 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2004 - 2005 Honda Civic, 2002 - 2004 Acura RSX, 2002 - 2003 Honda Civic, 2002 - 2002 Honda Accord, 2001 - 2002 Acura EL, 2001 - 2001 Honda Civic
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 2001 Honda Civic
Quantity1
Installation PositionUpstream or Downstream
Item LocatedUnited States
ConditionNew
item #1018EEX2
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AisinPart # OXSH-00494
Downstream O2 Oxygen Sensor | 1-Pc Direct-Fit | Aisin OXSH-00494
4.5678 Reviews
$43.99
Low stock: Only 3 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2006 - 2008 Honda Fit, 2001 - 2005 Honda Civic
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 2001 Honda Civic
Quantity1
Installation PositionDownstream
Item LocatedUnited States
ConditionNew
item #1018EDTA
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AisinPart # OXSAZ-00008
Upstream or Downstream O2 Oxygen Sensor | 1-Pc Direct-Fit | Aisin OXSAZ-00008
4.5678 Reviews
$37.99
Low stock: Only 3 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2004 - 2005 Honda S2000, 2001 - 2005 Honda Civic, 2000 - 2003 Honda S2000, 1998 - 1999 Isuzu Oasis, 1998 - 1998 Honda Odyssey, 1997 - 2000 Honda Prelude, 1997 - 1999 Acura NSX, 1996 - 1997 Honda Odyssey, 1996 - 1997 Isuzu Oasis, 1995 - 1999 Acura NSX
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 2001 Honda Civic
Quantity1
Installation PositionUpstream or Downstream
Item LocatedUnited States
ConditionNew
item #1018EETT
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AisinPart # OXSAZ-00031
Upstream or Downstream O2 Oxygen Sensor | 1-Pc Direct-Fit | Aisin OXSAZ-00031
4.5678 Reviews
$43.99
Low stock: Only 5 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2006 - 2008 Honda Ridgeline, 2005 - 2010 Honda Odyssey, 2005 - 2008 Acura RL, 2005 - 2008 Honda Pilot, 2004 - 2007 Saturn Vue, 2004 - 2006 Acura TL, 2003 - 2007 Honda Accord, 2003 - 2006 Acura MDX, 2003 - 2004 Honda Pilot, 2003 - 2003 Honda Civic, 2002 - 2004 Honda Odyssey, 2001 - 2002 Acura MDX
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 2001 Honda Civic
Quantity1
Installation PositionUpstream or Downstream
Item LocatedUnited States
ConditionNew
item #1018EG12
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AisinPart # OXSAZ-00032
Upstream & Downstream O2 Oxygen Sensor | 2-Pc Direct-Fit | Aisin OXSAZ-00032
4.5678 Reviews
$97.99
Low stock: Only 4 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2006 - 2008 Honda Ridgeline, 2005 - 2010 Honda Odyssey, 2005 - 2008 Acura RL, 2005 - 2008 Honda Pilot, 2004 - 2007 Saturn Vue, 2004 - 2006 Acura TL, 2003 - 2007 Honda Accord, 2003 - 2006 Acura MDX, 2003 - 2004 Honda Pilot, 2003 - 2003 Honda Civic, 2002 - 2004 Honda Odyssey, 2001 - 2002 Acura MDX
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 2001 Honda Civic
Quantity2
Installation PositionUpstream & Downstream
Item LocatedUnited States
ConditionNew
item #1018EE76
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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: 2001 Honda Civic
Quantity1
Item LocatedUnited States
Part interchange
11027, J3240083, 3238765, 91160612300, 94460613300, 0025421218
item #1002AYHA
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BoschPart # 15408
Oxygen Sensor - Downstream - Bosch 15408
46 Reviews
$171.99
Low stock: Only 3 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2005-2006 Acura RSX, 2002-2005 Honda Civic, 2001-2001 Honda Civic
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 2001 Honda Civic
Quantity1
Installation PositionDownstream
Item LocatedUnited States
Part interchange
15408, 36532PNDA11, 36532PNDA21, 36536PMPA01
item #1002DYH2
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AisinPart # OXSH-00476
Downstream or Center O2 Oxygen Sensor | 1-Pc Direct-Fit | Aisin OXSH-00476
4.5678 Reviews
$43.99
Low stock: Only 5 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2005 - 2006 Acura RSX, 2003 - 2005 Honda Civic, 2001 - 2005 Honda Civic
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 2001 Honda Civic
Quantity1
Installation PositionDownstream or Center
Item LocatedUnited States
ConditionNew
item #1018EL5X
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Walker ProductsPart # 250-24784
Walker Products 250-24784 Oxygen Sensor, Upstream
56 Reviews
$62.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2000-2003 Honda S2000, 1998-2000 Honda Civic
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 2001 Honda Civic
Quantity1
Installation PositionUpstream
Item LocatedUnited States
Part interchange
250-24784
item #1001PDG2
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BoschPart # 15406
Oxygen Sensor - Downstream - Bosch 15406
46 Reviews
$77.99
Low stock: Only 1 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2001-2005 Honda Civic
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 2001 Honda Civic
Quantity1
Installation PositionDownstream
Item LocatedUnited States
Part interchange
15406, 36532PMSA01
item #1002DYDD
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Spectra PremiumPart # OS5105
Spectra Premium OS5105 Oxygen Sensor, Downstream
4.45 Reviews
$25.99
Low stock: Only 2 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 1999-2000 Honda Civic, 1999-1999 Honda Civic, 1998-2000 Honda Civic, 1997-2001 Honda CR-V, 1997-2000 Acura EL, 1997-2000 Honda Civic, 1996-2001 Acura Integra, 1996-2000 Honda Civic, 1996-2000 Honda Civic, 1996-2000 Honda Civic, 1996-2000 Honda Civic, 1996-2000 Honda Civic
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 2001 Honda Civic
Quantity1
Installation PositionDownstream
Item LocatedUnited States
Part interchange
OS5105, 751778, 752032, 752103, 752132, SG929T, SG614T, SG593T,
...View moreitem #1000YP86
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DensoPart # 234-4621
Denso 234-4621 Oxygen Sensor
4.29 Reviews
$36.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2002-2003 Honda Civic, 2001-2003 Acura CL, 2001-2003 Acura EL, 2001-2001 Honda Civic, 2000-2005 Acura NSX, 2000-2003 Acura TL, 2000-2002 Honda Accord, 1999-1999 Acura TL, 1998-1999 Honda Accord, 1998-1999 Honda Accord, 1998-1999 Honda Accord, 1997-2001 Honda Prelude, 1990-1993 Honda Accord
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 2001 Honda Civic
Quantity1
Item LocatedUnited States
Part interchange
234-4621, 36531PT3A12, 36532P8CL21, 36532P8DJ01, 36531PT3A05, 36531P5P004, 36532PAAA02, 36531P5P014,
...View moreitem #1005HREC
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DensoPart # 234-4074
Denso 234-4074 Oxygen Sensor, Upstream
4.29 Reviews
$53.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2002-2003 Honda Civic, 2001-2001 Honda Civic, 1999-1999 Honda Civic, 1998-2000 Honda Civic, 1998-2000 Honda Civic, 1998-2000 Honda Civic, 1998-2000 Honda Civic, 1998-2000 Honda Civic, 1998-2000 Honda Civic, 1998-1998 Honda Civic
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 2001 Honda Civic
Quantity1
Installation PositionUpstream
Item LocatedUnited States
Part interchange
234-4074, 36531PLM307, 36531PDNA01, 36531PLMA01, 24421, 24289, OS2141, OS2026,
...View moreitem #1004YXP9
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Walker ProductsPart # 250-24308
Walker Products 250-24308 Oxygen Sensor, Upstream
56 Reviews
$62.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2002-2003 Honda Civic, 2002-2003 Honda Civic, 2002-2003 Honda Civic, 2002-2003 Honda Civic, 2002-2003 Honda Civic, 2001-2001 Honda Odyssey, 2000-2002 Honda Accord
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 2001 Honda Civic
Quantity1
Installation PositionUpstream
Item LocatedUnited States
Part interchange
250-24308
item #1001PE7S
Show less
BoschPart # 15479
Oxygen Sensor - Bosch 15479
46 Reviews
$66.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2004-2005 Honda Civic, 2000-2003 Honda S2000, 1995-1999 Acura NSX
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 2001 Honda Civic
Quantity1
Item LocatedUnited States
Part interchange
15479, 36542PR7A01, 36532PCXA01, 36532PMMA01
item #1002DX68
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DensoPart # 234-4065
Denso 234-4065 Oxygen Sensor
4.29 Reviews
$50.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 1999-2000 Honda Civic, 1999-2000 Honda Civic, 1999-2000 Honda Civic, 1999-2000 Honda Civic, 1999-2000 Honda Civic, 1999-2000 Honda Civic, 1999-2000 Honda Civic, 1999-1999 Acura TL, 1999-1999 Honda Civic, 1997-1999 Acura NSX, 1996-2003 Acura RL, 1996-1998 Acura TL, 1996-1998 Honda Civic, 1996-1997 Honda Civic del Sol, 1995-1997 Honda Accord, 1991-1996 Acura NSX, 1991-1995 Acura Legend
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 2001 Honda Civic
Quantity1
Item LocatedUnited States
Part interchange
234-4065, 36532PR7J02, 36532P2EA51, 36531P0GA01, 36532PR7J01, 36532P2EA01, 36532P5G003, 36532P30A01,
...View moreitem #1003S63L
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DensoPart # 234-4011
Denso 234-4011 Oxygen Sensor, Upstream
4.29 Reviews
$43.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 1999-2000 Honda Civic, 1999-2000 Honda Civic, 1997-2001 Honda CR-V, 1996-1997 Honda Civic del Sol, 1994-2001 Acura Integra, 1994-1995 Honda Civic del Sol, 1993-1995 Honda Prelude, 1992-1994 Acura Vigor, 1992-1992 Honda Prelude
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 2001 Honda Civic
Quantity1
Installation PositionUpstream
Item LocatedUnited States
Part interchange
234-4011, 36531P72A02, 36531PK2J01, 36531PV1A02, 36531P72A01, 36531P54003, 36531P2T003, 36531P73G01,
...View moreitem #1003S2HE
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DensoPart # 234-4122
Denso 234-4122 Oxygen Sensor
4.29 Reviews
$46.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2002-2005 Honda Civic, 2002-2004 Acura RSX, 2002-2003 Honda Civic, 2001-2003 Acura EL, 2001-2002 Honda Civic, 2000-2002 Honda Accord
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 2001 Honda Civic
Quantity1
Item LocatedUnited States
Part interchange
234-4122, 36532PAAL41, 36531PLRA01, 36532PNDA01, 24409, 24290, 24291, OS2030,
...View moreitem #1004Z1RZ
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DensoPart # 234-4210
Denso 234-4210 Oxygen Sensor
4.29 Reviews
$58.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2011-2015 Lincoln MKS, 2010-2010 Ford Fusion, 2010-2010 Ford Fusion, 2010-2010 Ford Fusion, 2010-2010 Lincoln MKT, 2009-2010 Ford Flex, 2009-2010 Lincoln MKS, 2009-2010 Mazda 6, 2008-2011 Mazda Tribute, 2008-2009 Ford Taurus X, 2008-2009 Mercury Sable, 2007-2010 Ford Edge, 2007-2010 Lincoln MKX, 2007-2010 Lincoln MKZ, 2007-2010 Mazda CX-9, 2006-2010 Ford Taurus, 2006-2010 INFINITI M45, 2006-2010 Mercury Milan, 2006-2009 Ford Fusion, 2006-2008 Mazda 6
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 2001 Honda Civic
Quantity1
Item LocatedUnited States
Part interchange
234-4210, 15718, 13316, 15657, 13131, 15001, 13123, 15214,
...View moreitem #1004Z0C9
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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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.
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P0134 Code: O2 Sensor Circuit No Activity Detected (Bank 1 Sensor 1)
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Best O2 Sensor Brands: Choose the Right Replacement
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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.
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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