Homeβ€Ί Emission Control > Sensorsβ€Ί Spectra OS5084 Oxygen Sensor
Part #: OS5084

Spectra OS5084 Oxygen Sensor

Downstream Left
76 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing β€” free returns if it doesn't
$23.68Free Shipping
Free ShippingNo Cost to Continental U.S.
Free Returns*Wrong fit? No cost
60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
In Stock Β· Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement β€” Bolt-on fit, no modifications needed
Fitment: Mitsubishi, Dodge, and Eagle, Montero Sport, Montero, Diamante, 3000GT, Stealth, Summit, Mirage, and Expo
Easy Returns β€” Return within 60 days for a full refund
Fast Shipping β€” Most orders ship same business day before 1pm CST

Reliable Oxygen Sensor for Dodge and Mitsubishi Vehicles

The Spectra OS5084 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, Stealth, and Mitsubishi Montero, Montero Sport, Mirage, Diamante, and Expo
  • Part number OS5084 for precise identification and fitment
  • Direct replacement oxygen sensor for emission control systems
  • Engineered to meet OEM specifications for reliable operation
  • Durable construction for long service life under various driving conditions

Product Details and Compatibility

The Spectra OS5084 oxygen sensor is an essential component in the emission control system of several Dodge and Mitsubishi vehicles. It monitors the oxygen levels in the exhaust gases, allowing the engine control unit to adjust the air-fuel mixture for efficient combustion. This sensor is compatible with Dodge 3000GT and Stealth models, as well as Mitsubishi Montero, Montero Sport, Mirage, Diamante, and Expo. Using the correct part number OS5084 ensures proper fitment and function, helping maintain vehicle performance and emission compliance.

Common Applications and Issues Addressed

  • Helps resolve rough idling and engine hesitation caused by faulty oxygen sensors
  • Reduces increased fuel consumption due to incorrect air-fuel mixture readings
  • Prevents emission test failures by maintaining accurate exhaust gas monitoring
  • Addresses check engine light triggers related to oxygen sensor faults
  • Supports smooth engine operation and reduced exhaust emissions

Installation Notes and Tips

When installing the Spectra OS5084 oxygen sensor, ensure the vehicle is cool to avoid burns. Use an oxygen sensor socket or appropriate tool to remove the old sensor carefully. Apply anti-seize compound to the sensor threads if not pre-coated, but avoid contaminating the sensor tip. Verify electrical connections are secure and free of corrosion. After installation, clear any diagnostic trouble codes and perform a test drive to confirm proper operation.

Quality Assurance and Warranty

Spectra oxygen sensors are manufactured to meet or exceed OEM standards, ensuring reliable performance and durability. The OS5084 part is tested for accuracy and longevity under typical operating conditions. While specific warranty details may vary, Spectra products generally include a limited warranty against defects in materials and workmanship. Consult product documentation or the supplier for exact warranty terms.

This part fits 76 vehicles. Search below:

YearMakeModelDrive TypeTransmissionLitersCylindersFuel TypePositionNotes
2014MitsubishiMontero Sport3.0LV6GASDownstream Left
2013MitsubishiMontero Sport3.0LV6GASDownstream Left
2012MitsubishiMontero Sport3.0LV6GASDownstream Left
2011MitsubishiMontero Sport3.5LV6GASDownstream Left
2010MitsubishiMontero Sport3.5LV6GASDownstream Left
2008MitsubishiMontero Sport3.5LV6GASDownstream Left
2007MitsubishiMontero Sport3.5LV6GASDownstream Left
2006MitsubishiMontero3.8LV6Downstream Left
2006MitsubishiMontero Sport3.5LV6GASDownstream Left
2005MitsubishiMontero3.8LV6Downstream Left
2005MitsubishiMontero Sport3.5LV6GASDownstream Left
2004MitsubishiDiamante3.5LV6Downstream Right
2004MitsubishiMontero3.8LV6Downstream Left
2004MitsubishiMontero Sport3.5LV6Downstream Left
2003MitsubishiDiamante3.5LV6Downstream Right
2003MitsubishiMontero3.8LV6Downstream Left
2003MitsubishiMontero Sport3.5LV6Downstream Left
2003MitsubishiMontero Sport3.0LV6Downstream Left
2002MitsubishiDiamante3.5LV6Downstream Right
2002MitsubishiMontero3.5LV6Downstream Left
2002MitsubishiMontero Sport3.5LV6Downstream Left
2002MitsubishiMontero Sport3.0LV6Downstream Left
2001MitsubishiDiamante3.5LV6Downstream Right
2001MitsubishiMontero3.5LV6Downstream Left
2001MitsubishiMontero Sport3.5LV6Downstream Left
2001MitsubishiMontero Sport3.0LV6Downstream Left
2000MitsubishiDiamante3.5LV6Downstream RightCalifornia emissions vehicles only.
2000MitsubishiMontero3.5LV6UpstreamFor vehicles with Federal Emissions.
2000MitsubishiMontero3.5LV6Downstream LeftCalifornia emissions vehicles only.
2000MitsubishiMontero Sport3.5LV6Downstream LeftCalifornia emissions vehicles only.
2000MitsubishiMontero Sport3.5LV6DownstreamFor vehicles with Federal Emissions.
2000MitsubishiMontero Sport3.0LV6Downstream LeftCalifornia emissions vehicles only.
2000MitsubishiMontero Sport3.0LV6DownstreamFor vehicles with Federal Emissions.
1999Mitsubishi3000GT3.0LV6Upstream Left
1999MitsubishiDiamante3.5LV6Downstream RightCalifornia emissions vehicles only.
1999MitsubishiMontero3.5LV6UpstreamFor vehicles with Federal Emissions.
1999MitsubishiMontero3.5LV6Downstream LeftCalifornia emissions vehicles only.
1999MitsubishiMontero Sport3.5LV6Downstream LeftCalifornia emissions vehicles only.
1999MitsubishiMontero Sport3.5LV6DownstreamFor vehicles with Federal Emissions.
1999MitsubishiMontero Sport3.0LV6Downstream LeftCalifornia emissions vehicles only.
1999MitsubishiMontero Sport3.0LV6DownstreamFor vehicles with Federal Emissions.
1999MitsubishiMontero Sport2.4LL4DownstreamFor vehicles with Federal Emissions.
1998Mitsubishi3000GT3.0LV6Upstream Left
1998MitsubishiMontero3.5LV6UpstreamFor vehicles with Federal Emissions.
1998MitsubishiMontero3.5LV6Downstream LeftCalifornia emissions vehicles only.
1998MitsubishiMontero Sport3.0LV6Upstream RightCalifornia emissions vehicles only.
1998MitsubishiMontero Sport3.0LV6Downstream LeftCalifornia emissions vehicles only.
1998MitsubishiMontero Sport3.0LV6DownstreamFor vehicles with Federal Emissions.
1998MitsubishiMontero Sport2.4LL4DownstreamFor vehicles with Federal Emissions.
1997Mitsubishi3000GT3.0LV6Upstream Left
1997MitsubishiMontero3.5LV6Upstream RightCalifornia emissions vehicles only.
1997MitsubishiMontero3.5LV6UpstreamFor vehicles with Federal Emissions.
1997MitsubishiMontero3.5LV6Downstream LeftCalifornia emissions vehicles only.
1997MitsubishiMontero Sport3.0LV6Upstream RightCalifornia emissions vehicles only.
1997MitsubishiMontero Sport3.0LV6Downstream LeftCalifornia emissions vehicles only.
1997MitsubishiMontero Sport3.0LV6DownstreamFor vehicles with Federal Emissions.
1997MitsubishiMontero Sport2.4LL4DownstreamFor vehicles with Federal Emissions.
1996DodgeStealth3.0LV6Upstream Left
1996Mitsubishi3000GT3.0LV6Upstream Left
1996MitsubishiDiamante3.0LV6Upstream Left
1996MitsubishiMirage1.8LL4DownstreamCalifornia emissions vehicles only.
1996MitsubishiMontero3.5LV6Upstream
1996MitsubishiMontero3.0LV6Upstream RightCalifornia emissions vehicles only.
1996MitsubishiMontero3.0LV6Downstream LeftCalifornia emissions vehicles only.
1995DodgeStealth3.0LV6Upstream LeftCalifornia emissions vehicles only.
1995Mitsubishi3000GT3.0LV6Upstream LeftCalifornia emissions vehicles only.
1995MitsubishiDiamante3.0LV6Upstream Left
1995MitsubishiExpoFWD2.4LL4DownstreamCalifornia emissions vehicles only.
1995MitsubishiMirage1.8LL4DownstreamCalifornia emissions vehicles only.
1995MitsubishiMontero3.5LV6Upstream
1995MitsubishiMontero3.0LV6Upstream RightCalifornia emissions vehicles only.
1995MitsubishiMonteroAutomatic3.0LV6UpstreamFor vehicles with Federal Emissions.
1994DodgeStealth3.0LV6Upstream LeftCalifornia emissions vehicles only.
1994Mitsubishi3000GT3.0LV6Upstream LeftCalifornia emissions vehicles only.
1994MitsubishiDiamante3.0LV6Upstream Left
1994MitsubishiMontero3.5LV6Upstream

* 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:

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

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