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Part #: 16009

Bosch 16009 Oxygen Sensor - Downstream or Downstream Left

Actual OE Oxygen Sensor, Downstream and Downstream Left
⚙️ 33 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Actual OE Oxygen Sensor, Downstream and Downstream Left
🚗Fitment: INFINITI and Mercedes-Benz, C300, C350e, E300, GLC300, GLC350e, Maybach S680, Q50, Q60, QX50, SLC300, and SLK300
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Reliable Oxygen Sensor for Infiniti and Mercedes-Benz Vehicles

The Bosch Actual OE Oxygen Sensor 16009 is designed to provide precise air-fuel mixture readings for select Infiniti and Mercedes-Benz models. This narrow-band heated oxygen sensor ensures accurate emissions control and optimal engine performance.

  • Specific fit for Infiniti Q50, Q60, QX50 and Mercedes-Benz C300, C350e, E300, GLC300, GLC350e, Maybach S680, SLC300, SLK300
  • Heated narrow-band oxygen sensor type for improved response time
  • Threaded mounting type with 18 mm thread diameter and 22 mm hex size
  • 16.4-inch wiring harness length with 4-pin female connector, rectangular shape
  • Durable metal housing finished in steel for long-lasting use
  • Standard replacement grade with 4-wire configuration
  • Overall length of 19.8 inches and wiring harness included

About the Bosch Actual OE Oxygen Sensor Product Line

The Bosch Actual OE Oxygen Sensor line is engineered to meet original equipment specifications, ensuring compatibility and reliable performance. This product line focuses on delivering precise sensor readings and durability, making it suitable for specific vehicle applications such as Infiniti and Mercedes-Benz models. The 16009 sensor maintains factory-level quality and fitment, supporting emission control systems effectively.

Product Details and Specifications

This Bosch oxygen sensor features a narrow-band heated design, which allows for faster sensor warm-up and accurate monitoring of exhaust gases. The sensor includes a 4-wire configuration with a female 4-pin rectangular connector, ensuring secure electrical connections. Its threaded mounting type with an 18 mm diameter and 22 mm hex size allows for straightforward installation. The sensor’s metal housing finished in steel provides resistance to heat and corrosion, contributing to its longevity. The wiring harness length of 16.4 inches and overall length of 19.8 inches accommodate proper placement within the exhaust system.

Common Applications and Issues Addressed

  • Restores accurate air-fuel ratio readings for Infiniti Q50, Q60, QX50 and Mercedes-Benz C300, C350e, E300, GLC300, GLC350e, Maybach S680, SLC300, SLK300
  • Helps resolve engine performance problems related to faulty oxygen sensors
  • Reduces emissions by ensuring proper sensor feedback to the engine control unit
  • Addresses check engine light triggers caused by sensor failure
  • Improves fuel efficiency by maintaining correct combustion parameters

Installation Notes and Tips

When installing the Bosch 16009 oxygen sensor, ensure the vehicle is compatible with this specific fitment. The sensor’s threaded mounting requires proper torque to avoid damage. The 4-pin female connector should be securely connected to the vehicle’s wiring harness. Avoid twisting or stretching the wiring harness during installation. It is recommended to use anti-seize compound on the threads if reusing the sensor mounting hole to facilitate future removal.

Quality Assurance and Warranty

Bosch oxygen sensors are manufactured to meet stringent quality standards, providing reliable performance and durability. The Actual OE Oxygen Sensor 16009 is a standard replacement grade part designed to match original equipment specifications. While specific warranty details are not provided here, Bosch typically offers limited warranties on their emission control components to ensure customer confidence.

BrandBosch
Part Number16009
PositionActual OE Oxygen Sensor, Downstream and Downstream Left
Wiring Harness Length16.4
Terminal TypePin
Universal Or Specific FitSpecific
Wire Quantity4
Grade TypeStandard replacement
Connector ShapeRectangle
Terminal Quantity4
Connector GenderFemale
Terminal GenderFemale
Overall Length19.8
Mounting TypeThreaded
Automotive Color / FinishSteel
Automotive Item Weight (lbs)0.194007 lb
Heated (Oxygen Sensor)Yes
Hex Size (Oxygen Sensor)22 mm
Housing MaterialMetal
Length (Sealing Surface To End Of Connector)18.6 in
Mounting Bracket IncludedNo
Oxygen Sensor TypeNarrow-band heated
Sensor TypeNarrow-band
Thread Diameter (Oxygen Sensor)18 mm
Thread Size18
Wiring Harness IncludedYes

This part fits 33 vehicles. Search below:

YearMakeModelDrive TypeLitersCylindersPositionNotes
2025Mercedes-BenzMaybach S6806.0LV12Downstream LeftActual OE Oxygen Sensor
2024Mercedes-BenzMaybach S6806.0LV12Downstream LeftActual OE Oxygen Sensor
2023Mercedes-BenzMaybach S6806.0LV12Downstream LeftActual OE Oxygen Sensor
2022Mercedes-BenzMaybach S6806.0LV12Downstream LeftActual OE Oxygen Sensor
2020Mercedes-BenzGLC350e2.0LL4DownstreamActual OE Oxygen Sensor
2020Mercedes-BenzSLC3002.0LL4DownstreamActual OE Oxygen Sensor
2019INFINITIQ502.0LL4DownstreamActual OE Oxygen Sensor
2019INFINITIQX50AWD2.0LL4DownstreamActual OE Oxygen Sensor
2019Mercedes-BenzE3002.0LL4DownstreamActual OE Oxygen Sensor
2019Mercedes-BenzGLC3002.0LL4DownstreamActual OE Oxygen Sensor
2019Mercedes-BenzGLC350e2.0LL4DownstreamActual OE Oxygen Sensor
2019Mercedes-BenzSLC3002.0LL4DownstreamActual OE Oxygen Sensor
2018INFINITIQ502.0LL4DownstreamActual OE Oxygen Sensor
2018INFINITIQ602.0LL4DownstreamActual OE Oxygen Sensor
2018Mercedes-BenzC3002.0LL4DownstreamActual OE Oxygen Sensor
2018Mercedes-BenzC350e2.0LL4DownstreamActual OE Oxygen Sensor
2018Mercedes-BenzE3002.0LL4DownstreamActual OE Oxygen Sensor
2018Mercedes-BenzGLC3002.0LL4DownstreamActual OE Oxygen Sensor
2018Mercedes-BenzGLC350e2.0LL4DownstreamActual OE Oxygen Sensor
2018Mercedes-BenzSLC3002.0LL4DownstreamActual OE Oxygen Sensor
2017INFINITIQ502.0LL4DownstreamActual OE Oxygen Sensor
2017INFINITIQ602.0LL4DownstreamActual OE Oxygen Sensor
2017Mercedes-BenzC3002.0LL4DownstreamActual OE Oxygen Sensor
2017Mercedes-BenzC350e2.0LL4DownstreamActual OE Oxygen Sensor
2017Mercedes-BenzE3002.0LL4DownstreamActual OE Oxygen Sensor
2017Mercedes-BenzGLC3002.0LL4DownstreamActual OE Oxygen Sensor
2017Mercedes-BenzSLC3002.0LL4DownstreamActual OE Oxygen Sensor
2016INFINITIQ502.0LL4DownstreamActual OE Oxygen Sensor
2016Mercedes-BenzC3002.0LL4DownstreamActual OE Oxygen Sensor
2016Mercedes-BenzC350e2.0LL4DownstreamActual OE Oxygen Sensor
2016Mercedes-BenzGLC3002.0LL4DownstreamActual OE Oxygen Sensor
2016Mercedes-BenzSLK3002.0LL4DownstreamActual OE Oxygen Sensor
2015Mercedes-BenzC3002.0LL4DownstreamActual OE 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:

0075426418226A04GD0B

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