HomeEmission Control > SensorsSpectra OS5085 Oxygen Sensor
Part #: OS5085

Spectra OS5085 Oxygen Sensor

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⚙️ 53 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Mitsubishi and Dodge, Mirage, 3000GT, Stealth, Diamante, and Montero
🔄Easy Returns — Return within 60 days for a full refund
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Reliable Oxygen Sensor for Dodge and Mitsubishi Vehicles

The Spectra OS5085 oxygen sensor is designed to provide accurate emissions monitoring for select Dodge and Mitsubishi models. This sensor helps maintain optimal engine performance and ensures compliance with emission standards.

  • Compatible with Dodge 3000GT and Mitsubishi Diamante, Mirage, Montero, and Stealth
  • Direct replacement oxygen sensor for emission control systems
  • Ensures precise air-fuel mixture readings for efficient combustion
  • Durable construction for long-lasting performance
  • Part number OS5085 for easy identification and fitment

Product Details and Compatibility

The Spectra OS5085 oxygen sensor is engineered to fit specific Dodge and Mitsubishi vehicles, including the 3000GT, Diamante, Mirage, Montero, and Stealth models. This sensor plays a critical role in monitoring the oxygen levels in the exhaust gases, allowing the engine control unit to adjust the air-fuel ratio for optimal combustion and reduced emissions. Using the correct oxygen sensor like the OS5085 ensures your vehicle’s emission system functions properly and helps maintain fuel efficiency.

Common Applications and Issues Addressed

  • Helps resolve rough idling caused by incorrect air-fuel mixture
  • Reduces engine hesitation and stalling related to faulty oxygen sensors
  • Prevents increased emissions and failed emissions tests
  • Improves fuel economy by providing accurate sensor data
  • Eliminates check engine light triggers related to oxygen sensor faults

Installation Notes and Tips

When installing the Spectra OS5085 oxygen sensor, ensure the vehicle is cool to avoid burns. Use an oxygen sensor socket or appropriate wrench to remove the old sensor carefully. Apply anti-seize compound to the threads of the new sensor if not pre-coated, but avoid contaminating the sensor tip. Verify proper electrical connections and clear any diagnostic trouble codes after installation.

Quality Assurance and Warranty

Spectra manufactures the OS5085 oxygen sensor to meet or exceed OEM specifications for reliable performance. While specific warranty details may vary, Spectra typically offers coverage against defects in materials and workmanship. Using this sensor helps maintain your vehicle’s emission control integrity and supports compliance with environmental regulations.

This part fits 53 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2002MitsubishiMirage1.8LL4Downstream
2002MitsubishiMirage1.5LL4Downstream
2001MitsubishiMirage1.8LL4Downstream
2001MitsubishiMirage1.5LL4Downstream
2000MitsubishiMirage1.8LL4UpstreamFor vehicles with Federal Emissions.
2000MitsubishiMirage1.8LL4DownstreamCalifornia emissions vehicles only.
2000MitsubishiMirage1.5LL4UpstreamFor vehicles with Federal Emissions.
2000MitsubishiMirage1.5LL4DownstreamCalifornia emissions vehicles only.
1999Mitsubishi3000GT3.0LV6Upstream Left
1999Mitsubishi3000GT3.0LV6Downstream Right
1999MitsubishiMirage1.8LL4UpstreamFor vehicles with Federal Emissions.
1999MitsubishiMirage1.8LL4DownstreamCalifornia emissions vehicles only.
1999MitsubishiMirage1.5LL4UpstreamFor vehicles with Federal Emissions.
1999MitsubishiMirage1.5LL4DownstreamCalifornia emissions vehicles only.
1998Mitsubishi3000GT3.0LV6Upstream Left
1998Mitsubishi3000GT3.0LV6Downstream Right
1998MitsubishiMirage1.8LL4UpstreamFor vehicles with Federal Emissions.
1998MitsubishiMirage1.8LL4DownstreamCalifornia emissions vehicles only.
1998MitsubishiMirage1.5LL4UpstreamFor vehicles with Federal Emissions.
1998MitsubishiMirage1.5LL4DownstreamCalifornia emissions vehicles only.
1997Mitsubishi3000GT3.0LV6Upstream Left
1997Mitsubishi3000GT3.0LV6Downstream Right
1997Mitsubishi3000GT3.0LV6Downstream Left
1997MitsubishiMirage1.8LL4Upstream
1997MitsubishiMirage1.8LL4DownstreamCalifornia emissions vehicles only.
1997MitsubishiMirage1.5LL4UpstreamFor vehicles with Federal Emissions.
1997MitsubishiMirage1.5LL4DownstreamCalifornia emissions vehicles only.
1996DodgeStealth3.0LV6Upstream Left
1996DodgeStealth3.0LV6Downstream Left
1996Mitsubishi3000GT3.0LV6Upstream Left
1996Mitsubishi3000GT3.0LV6Downstream Left
1996MitsubishiDiamante3.0LV6Downstream Left
1995DodgeStealth3.0LV6Upstream Left
1995DodgeStealth3.0LV6Downstream Left
1995DodgeStealth3.0LV6Downstream LeftCalifornia emissions vehicles only.
1995Mitsubishi3000GT3.0LV6Upstream Left
1995Mitsubishi3000GT3.0LV6Downstream Left
1995Mitsubishi3000GT3.0LV6Downstream LeftCalifornia emissions vehicles only.
1995MitsubishiDiamante3.0LV6Downstream Left
1995MitsubishiMontero3.0LV6Downstream LeftCalifornia emissions vehicles only.
1994DodgeStealth3.0LV6Upstream Left
1994DodgeStealth3.0LV6Downstream Left
1994DodgeStealth3.0LV6Downstream LeftCalifornia emissions vehicles only.
1994Mitsubishi3000GT3.0LV6Upstream Left
1994Mitsubishi3000GT3.0LV6Downstream Left
1994Mitsubishi3000GT3.0LV6Downstream LeftCalifornia emissions vehicles only.
1994MitsubishiDiamante3.0LV6Downstream Left
1993DodgeStealth3.0LV6Upstream Left
1993Mitsubishi3000GT3.0LV6Upstream Left
1992DodgeStealth3.0LV6Upstream Left
1992Mitsubishi3000GT3.0LV6Upstream Left
1991DodgeStealth3.0LV6Upstream Left
1991Mitsubishi3000GT3.0LV6Upstream Left

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

138011380713816153491535015351153532132958234463323446452344886235495S37465S37535S37545S37555S3761751975752361752588752589752591752873ES10610ES10616ES20146MD164422MD186991MD305147MD319786MD331050MD335431MD338846MD342688MD342689MD343986MD343988MR514342OS1632OS1647OS1879OS1885OS1886OS1889OS2128OS916OS917SG1125SG1125TSG1131SG1131TSG1132SG1132TSG1135SG1135TSG1225SG1225TSG1295SG1295TSG396SG396TSG878SG878TSG893SG893TSU5924SU5929SU5950SU5991SU5992

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.