Mopar 68203458AA Oxygen Sensor - Upstream Left

Brand Mopar 68203458AA
Position Upstream Left
Fits Dodge · 7 vehicles

OE direct replacement. Mopar sensor built for the specified emission control application.

Upstream sensor. Supports exhaust feedback for engine management and emissions monitoring.

$133.51Free shipping
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Order total $133.51
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Free returns within 60 days if it doesn't fit when fitment is verified.

Overview

This Mopar oxygen sensor is a direct-fit emission control replacement for specific high-performance applications. Part number 68203458AA is engineered for the upstream left location and supports accurate exhaust monitoring on compatible Dodge models.

Key Features

  • Direct-fit oxygen sensor for emission control service
  • Upstream left placement for the specified application
  • OE Mopar part number 68203458AA
  • Fits 2017-2020 Dodge Challenger, upstream left
  • Fits 2017-2019 Dodge Charger, upstream left

Detailed Description

Use this oxygen sensor when replacing the upstream left sensor on compatible Dodge Challenger and Dodge Charger vehicles equipped with the 6.2L Supercharged HEMI V8 SRT engine and 8-speed automatic HP90 transmission. As an OE Mopar component, part number 68203458AA is specified for the listed fitments and is intended to restore proper exhaust gas feedback for the engine management system.

This part cross-references none listed for the same application.

What It Is Used For

  • Replacing a failed upstream oxygen sensor
  • Addressing check engine light concerns related to sensor performance
  • Restoring exhaust feedback for fuel control and emissions monitoring
  • Correcting drivability issues caused by inaccurate oxygen readings

Installation Notes and Tips

Verify the vehicle’s engine and transmission configuration before ordering. Confirm the upstream left position and match part number 68203458AA to the application shown in the fitment data. Professional installation is recommended for proper sensor routing and secure electrical connection.

Quality Assurance

Mopar OE parts are built to match the original application requirements for listed vehicles.

This part fits 7 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelLitersCylindersPositionNotes
2020DodgeChallengerSRT Hellcat6.2LV8Upstream LeftSensor ; Oxygen ; 6.2L Supercharged HEMI V8 SRT Engine ; 8-Speed Automatic HP90 Transmission
2019DodgeChallengerSRT Hellcat6.2LV8Upstream LeftSensor ; Oxygen ; 6.2L Supercharged HEMI V8 SRT Engine ; 8-Speed Automatic HP90 Transmission
2019DodgeChargerSRT Hellcat6.2LV8Upstream LeftSensor ; Oxygen ; 6.2L Supercharged HEMI V8 SRT Engine ; 8-Speed Automatic HP90 Transmission
2018DodgeChallengerSRT Hellcat6.2LV8Upstream LeftSensor ; Oxygen ; 6.2L Supercharged HEMI V8 SRT Engine ; 8-Speed Automatic HP90 Transmission
2018DodgeChargerSRT Hellcat6.2LV8Upstream LeftSensor ; Oxygen ; 6.2L Supercharged HEMI V8 SRT Engine ; 8-Speed Automatic HP90 Transmission
2017DodgeChallengerSRT Hellcat6.2LV8Upstream LeftSensor ; Oxygen ; 6.2L Supercharged HEMI V8 SRT Engine ; 8-Speed Automatic HP90 Transmission
2017DodgeChargerSRT Hellcat6.2LV8Upstream LeftSensor ; Oxygen ; 6.2L Supercharged HEMI V8 SRT Engine ; 8-Speed Automatic HP90 Transmission