Bosch
Universal Oxygen Sensor

Bosch 12211 Oxygen Sensor - Downstream or Upstream

Brand Bosch 12211
Position Upstream
Product line Universal Oxygen Sensor
Fits Chevrolet, GMC, Pontiac, Oldsmobile, Saturn, Jaguar, Toyota, Geo, Mitsubishi, Dodge, Eagle, Mazda, Plymouth, Hyundai, and Lexus · 163 vehicles

Universal fit. Adapts to a wide range of vehicles for easier installation.

OE-spec sensor design. Uses Bosch zirconia ceramic and heater design for accurate air-fuel feedback.

Posi-Lock connectors. Create secure, weather-resistant connections without soldering or specialty tools.

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Bosch Universal Oxygen Sensor 12211

Bosch Universal Oxygen Sensor 12211 is a universal narrow-band O2 sensor built for direct air-fuel-ratio feedback in a wide range of import and domestic applications. It uses Bosch OE-specification zirconia ceramic sensing technology and a heater-free design for dependable signal output where a standard replacement universal sensor is required.

Universal SmartLink Connector System

The Bosch SmartLink universal line uses a patented Posi-Lock connector system that lets technicians adapt the sensor to an existing harness without soldering, crimping, or specialty tools. The connector can be reopened and reused if the harness needs adjustment, and the extended lead length adds flexibility on vehicles with damaged or shortened wiring.

  • Universal fit oxygen sensor for threaded mounting applications
  • Narrow-band, non-heated sensor type
  • OE-specification zirconia ceramic element and heater design used in Bosch OE applications
  • Posi-Lock connector system for secure, weather-resistant electrical connections
  • 33.9 in wiring harness length for added routing flexibility
  • 18 mm thread size with 22 mm hex size
  • Steel finish with metal housing
  • Wiring harness included

Detailed Product Overview

Bosch part number 12211 is a standard replacement oxygen sensor for vehicles that use a threaded, narrow-band upstream or downstream sensor layout. It is listed for applications including Chevrolet S10, GMC Sonoma, Toyota Camry, Toyota Celica, and Toyota Corolla, along with additional fitments across Jaguar, Mazda, Mitsubishi, Hyundai, Dodge, Plymouth, Saturn, and Pontiac models. For shoppers searching for a universal oxygen sensor for 2000-2003 Chevrolet S10 upstream or a Bosch oxygen sensor for 1995-1997 Toyota Corolla upstream, this part provides a practical universal-installation solution with OE-style sensing performance.

This Bosch SmartLink universal oxygen sensor 12211 is also a fitment-based option for 1990-1991 Toyota Camry upstream screw-mount applications, 1996-1998 Toyota Celica downstream applications, and 2000-2001 Pontiac Grand Am upstream applications. The threaded terminal design and round connector shape support straightforward adaptation to existing harnesses while maintaining a secure electrical connection.

Common Problems This Sensor Can Address

  • Faulty oxygen sensor signal causing incorrect air-fuel ratio feedback
  • Check engine light related to O2 sensor performance
  • Rough idle, hesitation, or poor drivability tied to sensor degradation
  • Damaged or shortened wiring that requires a universal connector solution
  • Need for a threaded universal replacement on upstream or downstream locations

Installation Notes and Tips

Confirm the vehicle uses a threaded 18 mm oxygen sensor mounting point and verify upstream or downstream placement before installation. Match the existing harness layout to the SmartLink connector system, then route the 33.9 in lead length to avoid heat and abrasion. This part cross-references Walker Products (e.g., 250-25011) for the same application.

Quality Assurance

Bosch builds this universal oxygen sensor using OE-level sensor construction and a connector system designed for secure, high-temperature, weather-resistant electrical connections. Bosch part number 12211 is engineered for professional-grade fit and function across the listed applications.

This part fits 163 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelBody TypeDrive TypeTransmissionLitersCylindersFuel TypePositionNotes
2003ChevroletS10————2.2LL4—UpstreamUniversal Oxygen Sensor
2003GMCSonoma————2.2LL4—UpstreamUniversal Oxygen Sensor
2002ChevroletCavalier————2.4LL4—DownstreamUniversal Oxygen Sensor
2002ChevroletS10————2.2LL4—UpstreamUniversal Oxygen Sensor
2002GMCSonoma————2.2LL4—UpstreamUniversal Oxygen Sensor
2002PontiacSunfire————2.4LL4—UpstreamUniversal Oxygen Sensor
2001ChevroletCavalier————2.4LL4—UpstreamUniversal Oxygen Sensor
2001ChevroletCavalier————2.2LL4—UpstreamUniversal Oxygen Sensor
2001ChevroletS10————2.2LL4—UpstreamUniversal Oxygen Sensor
2001GMCSonoma————2.2LL4—UpstreamUniversal Oxygen Sensor
2001OldsmobileAlero————2.4LL4—UpstreamUniversal Oxygen Sensor
2001PontiacGrand Am————2.4LL4—UpstreamUniversal Oxygen Sensor
2001PontiacSunfire————2.4LL4—UpstreamUniversal Oxygen Sensor
2001PontiacSunfire————2.2LL4—UpstreamUniversal Oxygen Sensor
2001SaturnL100————2.2LL4—UpstreamUniversal Oxygen Sensor
2001SaturnL200————2.2LL4—UpstreamUniversal Oxygen Sensor
2001SaturnLW200————2.2LL4—UpstreamUniversal Oxygen Sensor
2000ChevroletCavalier————2.4LL4—UpstreamUniversal Oxygen Sensor
2000ChevroletCavalier————2.2LL4—UpstreamUniversal Oxygen Sensor
2000ChevroletS10————2.2LL4FLEXUpstreamUniversal Oxygen Sensor
2000GMCSonoma————2.2LL4FLEXUpstreamUniversal Oxygen Sensor
2000OldsmobileAlero————2.4LL4—UpstreamUniversal Oxygen Sensor
2000PontiacGrand Am————2.4LL4—UpstreamUniversal Oxygen Sensor
2000PontiacSunfire————2.4LL4—UpstreamUniversal Oxygen Sensor
2000PontiacSunfire————2.2LL4—UpstreamUniversal Oxygen Sensor
2000SaturnLS————2.2LL4—UpstreamUniversal Oxygen Sensor
2000SaturnLS1————2.2LL4—UpstreamUniversal Oxygen Sensor
2000SaturnLW1————2.2LL4—UpstreamUniversal Oxygen Sensor
1999JaguarXJR————4.0LV8—DownstreamUniversal Oxygen Sensor
1999ToyotaCelica————2.2LL4—UpstreamUniversal Oxygen Sensor
1999ToyotaPaseo————1.5LL4—UpstreamUniversal Oxygen Sensor
1999ToyotaTercel————1.5LL4—UpstreamUniversal Oxygen Sensor
1998JaguarVanden Plas————4.0LV8—DownstreamUniversal Oxygen Sensor
1998JaguarXJ8————4.0LV8—DownstreamUniversal Oxygen Sensor
1998JaguarXJR————4.0LV8—DownstreamUniversal Oxygen Sensor
1998ToyotaCelica————2.2LL4—DownstreamUniversal Oxygen Sensor
1998ToyotaPaseo————1.5LL4—UpstreamUniversal Oxygen Sensor
1998ToyotaTercel————1.5LL4—UpstreamUniversal Oxygen Sensor
1997GeoPrizm————1.8LL4—UpstreamUniversal Oxygen Sensor
1997GeoPrizm————1.6LL4—UpstreamUniversal Oxygen Sensor
1997ToyotaCelica————1.8LL4—UpstreamUniversal Oxygen Sensor
1997ToyotaCelica————2.2LL4—DownstreamUniversal Oxygen Sensor
1997ToyotaCorolla————1.6LL4—UpstreamUniversal Oxygen Sensor
1997ToyotaCorolla————1.8LL4—UpstreamUniversal Oxygen Sensor
1997ToyotaPaseo————1.5LL4—UpstreamUniversal Oxygen Sensor
1997ToyotaRAV4————2.0LL4—Upstreamwithout California Emission System; Universal Oxygen Sensor
1997ToyotaTercel————1.5LL4—UpstreamUniversal Oxygen Sensor
1996GeoPrizm————1.8LL4—UpstreamUniversal Oxygen Sensor
1996GeoPrizm————1.6LL4—UpstreamUniversal Oxygen Sensor
1996ToyotaCamry————2.2LL4—DownstreamUniversal Oxygen Sensor
1996ToyotaCelica————2.2LL4—DownstreamUniversal Oxygen Sensor
1996ToyotaCelica————1.8LL4—UpstreamUniversal Oxygen Sensor
1996ToyotaCorolla————1.8LL4—UpstreamUniversal Oxygen Sensor
1996ToyotaCorolla————1.6LL4—UpstreamUniversal Oxygen Sensor
1996ToyotaRAV4————2.0LL4—UpstreamUniversal Oxygen Sensor
1995GeoPrizm————1.8LL4—UpstreamUniversal Oxygen Sensor
1995MitsubishiMighty Max————2.4LL4—Upstreamwithout California Emission System; Universal Oxygen Sensor
1995ToyotaCamry————2.2LL4—Downstreamwithout California Emission System; Universal Oxygen Sensor
1995ToyotaCamry————2.2LL4—Downstreamwith California Emission System; Universal Oxygen Sensor
1995ToyotaCelica————2.2LL4—Downstreamwithout California Emission System; Universal Oxygen Sensor
1995ToyotaCelica————2.2LL4—Downstreamwith California Emission System; Universal Oxygen Sensor
1995ToyotaCorolla————1.8LL4—UpstreamUniversal Oxygen Sensor
1994DodgeColt————1.8LL4—Upstreamwithout California Emission System; Universal Oxygen Sensor
1994DodgeColt————1.5LL4—Upstreamwithout California Emission System; Universal Oxygen Sensor
1994MazdaMPV————2.6LL4—UpstreamUniversal Oxygen Sensor
1994MitsubishiEclipse————1.8LL4—UpstreamUniversal Oxygen Sensor
1994MitsubishiMighty Max————2.4LL4—Upstreamwithout California Emission System; Universal Oxygen Sensor
1994PlymouthLaser————1.8LL4—UpstreamUniversal Oxygen Sensor
1994ToyotaCamry————2.2LL4—Downstreamwithout California Emission System; Universal Oxygen Sensor
1994ToyotaCamry————2.2LL4—Downstreamwith California Emission System; Universal Oxygen Sensor
1994ToyotaCelica————2.2LL4—DownstreamUniversal Oxygen Sensor
1993DodgeColt——FWD—2.4LL4—Upstreamwithout California Emission System; Universal Oxygen Sensor
1993DodgeColt————1.8LL4—Upstreamwithout California Emission System; Universal Oxygen Sensor
1993DodgeColt————1.5LL4—Upstreamwithout California Emission System; Universal Oxygen Sensor
1993DodgeRam 50————2.4LL4—Upstreamwithout California Emission System; Universal Oxygen Sensor
1993HyundaiScoupeLS———1.5LL4—Upstreamwith California Emission System; Universal Oxygen Sensor
1993MazdaB2200————2.2LL4—UpstreamUniversal Oxygen Sensor
1993MazdaB2600————2.6LL4—UpstreamUniversal Oxygen Sensor
1993MazdaMPV————2.6LL4—UpstreamUniversal Oxygen Sensor
1993MitsubishiEclipse————1.8LL4—UpstreamUniversal Oxygen Sensor
1993MitsubishiExpo————2.4LL4—Upstreamwithout California Emission System; Universal Oxygen Sensor
1993MitsubishiExpo LRV————2.4LL4—Upstreamwithout California Emission System; Universal Oxygen Sensor
1993MitsubishiExpo LRV————1.8LL4—Upstreamwithout California Emission System; Universal Oxygen Sensor
1993MitsubishiGalant————2.0LL4—UpstreamUniversal Oxygen Sensor
1993MitsubishiMighty Max————2.4LL4—Upstreamwithout California Emission System; Universal Oxygen Sensor
1993MitsubishiMirage————1.8LL4—Upstreamwithout California Emission System; Universal Oxygen Sensor
1993MitsubishiMirage————1.5LL4—Upstreamwithout California Emission System; Universal Oxygen Sensor
1993MitsubishiPrecis————1.5LL4—Upstreamwith California Emission System; Universal Oxygen Sensor
1993PlymouthLaser————1.8LL4—UpstreamUniversal Oxygen Sensor
1993ToyotaCamry————2.2LL4—DownstreamUniversal Oxygen Sensor
1992DodgeColt————1.8LL4—UpstreamUniversal Oxygen Sensor
1992DodgeColt————1.5LL4—UpstreamUniversal Oxygen Sensor
1992DodgeRam 50————2.4LL4—UpstreamUniversal Oxygen Sensor
1992HyundaiExcel————1.5LL4—UpstreamTo 06/1992; with California Emission System; Universal Oxygen Sensor
1992HyundaiScoupe————1.5LL4—Upstreamwith California Emission System; Universal Oxygen Sensor
1992MazdaB2200————2.2LL4—UpstreamUniversal Oxygen Sensor
1992MazdaB2600————2.6LL4—UpstreamUniversal Oxygen Sensor
1992MazdaMPV————2.6LL4—UpstreamUniversal Oxygen Sensor
1992MitsubishiEclipse————1.8LL4—UpstreamUniversal Oxygen Sensor
1992MitsubishiExpo————2.4LL4—UpstreamUniversal Oxygen Sensor
1992MitsubishiExpo LRV————1.8LL4—UpstreamUniversal Oxygen Sensor
1992MitsubishiGalant————2.0LL4—Upstreamwith California Emission System; Universal Oxygen Sensor
1992MitsubishiMighty Max————2.4LL4—UpstreamUniversal Oxygen Sensor
1992MitsubishiMirage————1.5LL4—UpstreamUniversal Oxygen Sensor
1992MitsubishiPrecis————1.5LL4—Upstreamwith California Emission System; Universal Oxygen Sensor
1992PlymouthLaser————1.8LL4—UpstreamUniversal Oxygen Sensor
1992ToyotaCamry————2.2LL4—Downstreamwith California Emission System; Universal Oxygen Sensor
1992ToyotaMR2————2.2LL4—DownstreamTo 12/1991; Universal Oxygen Sensor
1991DodgeColt———Automatic1.5LL4—UpstreamUniversal Oxygen Sensor
1991DodgeColt———Manual1.5LL4—UpstreamUniversal Oxygen Sensor
1991DodgeRam 50————2.4LL4—UpstreamUniversal Oxygen Sensor
1991HyundaiExcel————1.5LL4—Upstreamwith California Emission System; Universal Oxygen Sensor
1991HyundaiScoupe————1.5LL4—Upstreamwith California Emission System; Universal Oxygen Sensor
1991HyundaiSonata————2.4LL4—UpstreamUniversal Oxygen Sensor
1991LexusES250————2.5LV6—Upstreamwith Threaded Fittings; Universal Oxygen Sensor
1991MazdaB2200————2.2LL4—UpstreamUniversal Oxygen Sensor
1991MazdaB2600————2.6LL4—UpstreamUniversal Oxygen Sensor
1991MazdaMPV————2.6LL4—UpstreamUniversal Oxygen Sensor
1991MitsubishiEclipse————1.8LL4—UpstreamUniversal Oxygen Sensor
1991MitsubishiGalant————2.0LL4—Upstreamwith California Emission System; Universal Oxygen Sensor
1991MitsubishiMighty Max————2.4LL4—UpstreamUniversal Oxygen Sensor
1991MitsubishiMirage————1.5LL4—UpstreamUniversal Oxygen Sensor
1991MitsubishiPrecis————1.5LL4—Upstreamwith California Emission System; Universal Oxygen Sensor
1991PlymouthLaser————1.8LL4—UpstreamUniversal Oxygen Sensor
1991ToyotaCamry————2.5LV6—UpstreamScrew Mount; Universal Oxygen Sensor
1991ToyotaCamry——FWD—2.0LL4—UpstreamScrew Mount; with California Emission System; Universal Oxygen Sensor
1991ToyotaCelicaGTS———2.2LL4—Upstreamwith California Emission System; Universal Oxygen Sensor
1991ToyotaCelica—Convertible——2.2LL4—Upstreamwith California Emission System; Universal Oxygen Sensor
1991ToyotaCelicaGTHatchback——2.2LL4—Upstreamwith California Emission System; Universal Oxygen Sensor
1991ToyotaCelica—Coupe——2.2LL4—Upstreamwith California Emission System; Universal Oxygen Sensor
1991ToyotaMR2————2.2LL4—DownstreamUniversal Oxygen Sensor
1990DodgeColt—Hatchback——1.5LL4—Upstreamwith California Emission System; Universal Oxygen Sensor
1990DodgeColt————1.6LL4—Upstreamwith California Emission System; Universal Oxygen Sensor
1990DodgeColt———Automatic1.5LL4—Upstreamwith California Emission System; Universal Oxygen Sensor
1990DodgeColt—Sedan——1.5LL4—Upstreamwith 2 Wire Leads; Universal Oxygen Sensor
1990DodgeColt———Manual1.5LL4—UpstreamUniversal Oxygen Sensor
1990DodgeRam 50————2.4LL4—Upstreamwith California Emission System; Universal Oxygen Sensor
1990HyundaiExcel————1.5LL4—Upstreamwith California Emission System; Universal Oxygen Sensor
1990HyundaiSonata————2.4LL4—Upstreamwith California Emission System; Universal Oxygen Sensor
1990HyundaiSonata————2.4LL4—UpstreamFrom 07/1990; without California Emission System; Universal Oxygen Sensor
1990LexusES250————2.5LV6—Upstreamwith Threaded Fittings; Universal Oxygen Sensor
1990MazdaB2200————2.2LL4—UpstreamUniversal Oxygen Sensor
1990MazdaB2600————2.6LL4—UpstreamUniversal Oxygen Sensor
1990MazdaMPV————2.6LL4—UpstreamUniversal Oxygen Sensor
1990MitsubishiEclipse————1.8LL4—Upstreamwith California Emission System; Universal Oxygen Sensor
1990MitsubishiGalant————2.0LL4—Upstreamwith California Emission System; Universal Oxygen Sensor
1990MitsubishiMighty Max————2.4LL4—Upstreamwith California Emission System; Universal Oxygen Sensor
1990MitsubishiMirage————1.5LL4—UpstreamUniversal Oxygen Sensor
1990MitsubishiPrecis————1.5LL4—Upstreamwith California Emission System; Universal Oxygen Sensor
1990PlymouthLaser————1.8LL4—Upstreamwith California Emission System; Universal Oxygen Sensor
1990ToyotaCamry————2.5LV6—UpstreamScrew Mount; Universal Oxygen Sensor
1990ToyotaCamry——FWD—2.0LL4—UpstreamScrew Mount; with California Emission System; Universal Oxygen Sensor
1990ToyotaCelicaGTS———2.2LL4—Upstreamwith California Emission System; Universal Oxygen Sensor
1990ToyotaCelica—Coupe——2.2LL4—Upstreamwith California Emission System; Universal Oxygen Sensor
1990ToyotaCelicaGTHatchback——2.2LL4—Upstreamwith California Emission System; Universal Oxygen Sensor
1989DodgeColt————1.5LL4—Upstreamwith California Emission System; Universal Oxygen Sensor
1989DodgeColt————1.6LL4—Upstreamwith California Emission System; Universal Oxygen Sensor
1989HyundaiSonata————2.4LL4—Upstreamwith California Emission System; Universal Oxygen Sensor
1989MazdaB2600————2.6LL4—UpstreamUniversal Oxygen Sensor
1989MazdaMPV————2.6LL4—UpstreamUniversal Oxygen Sensor
1989MitsubishiGalant————2.0LL4—Upstreamwith California Emission System; Universal Oxygen Sensor
1989MitsubishiMirage————1.5LL4—Upstreamwith California Emission System; Universal Oxygen Sensor
1989ToyotaCelica————2.0LL4—Upstreamwith California Emission System; with Flange; Universal Oxygen Sensor