HomeEmission Control > SensorsBosch 18079 Oxygen Sensor - Downstream, Downstream Left or Downstream Right
Part #: 18079

Bosch 18079 Oxygen Sensor - Downstream, Downstream Left or Downstream Right

Bosch Validated Oxygen Sensor, Downstream Left
37 vehicles fit this part
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Bosch Validated Oxygen Sensor, Downstream Left
Fitment: Chevrolet, Pontiac, and Saturn, Malibu, Impala, G6, Vue, Equinox, Uplander, Montana, Torrent, and Aura
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Reliable Oxygen Sensor for Chevrolet, Pontiac, and Saturn Vehicles

The Bosch Validated Oxygen Sensor 18079 is designed to provide accurate emissions control for select Chevrolet, Pontiac, and Saturn models. This specific fit oxygen sensor ensures optimal engine performance and helps maintain compliance with emission standards.

  • Specific fit for Chevrolet Aura, Equinox, Impala, Malibu, Montana, Pontiac G6, Torrent, Uplander, and Saturn Vue
  • Heated narrow-band oxygen sensor for precise air-fuel mixture readings
  • Threaded mounting type with 18 mm thread diameter and 22 mm hex size for secure installation
  • Includes a 13.4-inch wiring harness with 4-pin female connectors and square connector shape
  • Durable metal housing with steel finish and standard replacement grade

About the Bosch Validated Oxygen Sensor Line

The Bosch Validated Oxygen Sensor product line focuses on delivering reliable and tested sensors that meet OEM specifications. The 18079 sensor is part of this line, ensuring compatibility and performance for specific vehicle applications. These sensors are engineered to provide consistent readings and durability under typical operating conditions.

Product Details and Specifications

This Bosch oxygen sensor features a narrow-band heated design, which allows it to quickly reach operating temperature and provide accurate oxygen level measurements. The sensor includes a 13.4-inch wiring harness with four wires and female pin terminals, facilitating a direct connection to the vehicle’s wiring system. Its threaded mounting type with an 18 mm diameter and 22 mm hex size ensures a secure fit in the exhaust system. The metal housing and steel finish contribute to its durability and resistance to harsh engine environments.

Common Applications and Issues Addressed

  • Helps correct engine air-fuel mixture for improved fuel efficiency
  • Reduces harmful emissions by providing accurate oxygen level data
  • Prevents engine performance issues related to faulty oxygen sensors
  • Resolves check engine light triggers caused by sensor failure
  • Supports proper catalytic converter function by maintaining emission control

Installation Notes and Tips

When installing the Bosch 18079 oxygen sensor, ensure the vehicle is compatible with this specific fit sensor, including Chevrolet Aura, Equinox, Impala, Malibu, Montana, Pontiac G6, Torrent, Uplander, and Saturn Vue models. Use the 22 mm hex size for removal and installation. Verify the wiring harness connections match the vehicle’s female 4-pin connector to avoid electrical issues. No mounting bracket is included, so use the existing exhaust port for installation.

Quality Assurance and Warranty

The Bosch Validated Oxygen Sensor 18079 is manufactured to meet OEM standards for fit and function. It is a standard replacement grade sensor designed for reliable operation. Bosch products typically come with a limited warranty covering defects in materials and workmanship; please refer to Bosch’s official warranty terms for specific coverage details.

This part fits 37 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2012ChevroletMalibu3.6LV6Downstream LeftBosch Validated Oxygen Sensor
2011ChevroletImpala3.9LV6DownstreamBosch Validated Oxygen Sensor
2011ChevroletImpala3.5LV6DownstreamBosch Validated Oxygen Sensor
2011ChevroletMalibu3.6LV6Downstream LeftBosch Validated Oxygen Sensor
2010ChevroletImpala3.9LV6DownstreamBosch Validated Oxygen Sensor
2010ChevroletImpala3.5LV6DownstreamBosch Validated Oxygen Sensor
2010ChevroletMalibu3.5LV6Downstream RightBosch Validated Oxygen Sensor
2010ChevroletMalibu3.6LV6Downstream LeftBosch Validated Oxygen Sensor
2010PontiacG63.5LV6Downstream RightBosch Validated Oxygen Sensor
2010SaturnVue3.5LV6DownstreamBosch Validated Oxygen Sensor
2009ChevroletEquinox3.4LV6DownstreamBosch Validated Oxygen Sensor
2009ChevroletImpala3.5LV6DownstreamBosch Validated Oxygen Sensor
2009ChevroletImpala3.9LV6DownstreamBosch Validated Oxygen Sensor
2009ChevroletMalibu3.6LV6Downstream LeftBosch Validated Oxygen Sensor
2009ChevroletMalibu3.5LV6Downstream RightBosch Validated Oxygen Sensor
2009ChevroletUplander3.9LV6DownstreamBosch Validated Oxygen Sensor
2009PontiacG63.9LV6Downstream RightBosch Validated Oxygen Sensor
2009PontiacG63.6LV6Downstream LeftBosch Validated Oxygen Sensor
2009PontiacG63.5LV6Downstream RightBosch Validated Oxygen Sensor
2009PontiacMontana3.9LV6DownstreamBosch Validated Oxygen Sensor
2009PontiacTorrent3.4LV6DownstreamBosch Validated Oxygen Sensor
2009SaturnAura3.6LV6Downstream LeftBosch Validated Oxygen Sensor
2009SaturnVue3.5LV6DownstreamBosch Validated Oxygen Sensor
2008ChevroletEquinox3.4LV6DownstreamBosch Validated Oxygen Sensor
2008ChevroletImpala3.5LV6DownstreamBosch Validated Oxygen Sensor
2008ChevroletImpala3.9LV6DownstreamBosch Validated Oxygen Sensor
2008ChevroletMalibu3.5LV6Downstream RightBosch Validated Oxygen Sensor
2008ChevroletMalibu3.6LV6Downstream LeftBosch Validated Oxygen Sensor
2008ChevroletUplander3.9LV6DownstreamBosch Validated Oxygen Sensor
2008PontiacG63.5LV6Downstream RightBosch Validated Oxygen Sensor
2008PontiacG63.6LV6Downstream LeftBosch Validated Oxygen Sensor
2008PontiacG63.9LV6Downstream RightBosch Validated Oxygen Sensor
2008PontiacMontana3.9LV6DownstreamBosch Validated Oxygen Sensor
2008PontiacTorrent3.4LV6DownstreamBosch Validated Oxygen Sensor
2008SaturnAura3.5LV6Downstream RightBosch Validated Oxygen Sensor
2008SaturnAura3.6LV6Downstream LeftBosch Validated Oxygen Sensor
2008SaturnVue3.5LV6DownstreamBosch Validated Oxygen Sensor

* 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:

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