HomeEmission Control > SensorsBosch 16155 Oxygen Sensor - Downstream Left or Downstream Right
Part #: 16155

Bosch 16155 Oxygen Sensor - Downstream Left or Downstream Right

Actual OE Oxygen Sensor, Downstream Right and Downstream Left
⚙️ 27 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Actual OE Oxygen Sensor, Downstream Right and Downstream Left
🚗Fitment: Land Rover, Discovery, Range Rover, and Range Rover Sport
🔄Easy Returns — Return within 60 days for a full refund
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Reliable Oxygen Sensor for Land Rover Discovery and Range Rover Models

The Bosch Actual OE Oxygen Sensor 16155 is designed specifically for select Land Rover vehicles, including Discovery, Range Rover, and Range Rover Sport models. This narrow-band heated oxygen sensor ensures accurate emissions control and optimal engine performance by precisely monitoring exhaust gases.

  • Brand: Bosch, Brand Line: Actual OE Oxygen Sensor
  • Part Number: 16155
  • Specific fit for Land Rover Discovery, Range Rover, and Range Rover Sport
  • Narrow-band heated oxygen sensor type with 4-wire configuration
  • Threaded mounting type with 18 mm thread diameter and 22 mm hex size
  • Wiring harness length: 21.9 inches; overall length: 25.2 inches
  • Connector: Male, rectangular shape with 4 blade terminals
  • Housing made of durable metal with steel finish
  • Standard replacement grade for reliable emissions control

About the Bosch Actual OE Oxygen Sensor Line

The Actual OE Oxygen Sensor line by Bosch is engineered to meet original equipment specifications, providing a direct replacement for factory-installed sensors. This ensures compatibility and performance consistency for your Land Rover Discovery, Range Rover, or Range Rover Sport. The 16155 sensor maintains precise exhaust gas readings to support your vehicle’s emission system and fuel management.

Product Details and Specifications

This Bosch oxygen sensor features a narrow-band heated design with four wires, allowing for faster sensor warm-up and improved accuracy in measuring oxygen levels in the exhaust stream. The threaded mounting type with an 18 mm diameter and 22 mm hex size allows for secure installation. The sensor’s wiring harness is 21.9 inches long, with an overall length of 25.2 inches, providing sufficient reach for proper connection. The connector is male with a rectangular shape and four blade terminals, ensuring a secure and reliable electrical connection. Constructed with a metal housing and steel finish, this sensor is built to withstand harsh engine conditions.

Common Applications and Issues Addressed

  • Restores accurate oxygen sensing for proper air-fuel mixture control
  • Helps resolve check engine light triggers related to oxygen sensor faults
  • Improves fuel efficiency by providing precise emissions data
  • Reduces harmful exhaust emissions by supporting catalytic converter function
  • Prevents engine performance issues caused by faulty oxygen sensors

Installation Notes and Tips

When installing the Bosch 16155 oxygen sensor, ensure the engine is cool to avoid burns. Use a 22 mm oxygen sensor socket for removal and installation. Verify the sensor’s wiring harness length and connector type match your vehicle’s specifications. Do not overtighten the sensor; torque to manufacturer specifications to avoid damage. Since this sensor is a specific fit for Land Rover Discovery, Range Rover, and Range Rover Sport models, confirm compatibility before installation.

Quality Assurance and Warranty

Bosch oxygen sensors are manufactured to meet strict quality standards, ensuring reliable performance and durability. The Actual OE Oxygen Sensor line is designed to match original equipment specifications for fit and function. While specific warranty details are not provided here, Bosch typically offers a limited warranty on their emission control sensors. Refer to Bosch or your parts provider for exact warranty terms.

BrandBosch
Part Number16155
PositionActual OE Oxygen Sensor, Downstream Right and Downstream Left
Wiring Harness Length21.9
Terminal TypeBlade
Universal Or Specific FitSpecific
Wire Quantity4
Grade TypeStandard replacement
Connector ShapeRectangle
Terminal Quantity4
Connector GenderMale
Terminal GenderMale
Overall Length25.2
Mounting TypeThreaded
Automotive Color / FinishSteel
Automotive Item Weight (lbs)0.209439 lb
Heated (Oxygen Sensor)Yes
Hex Size (Oxygen Sensor)22 mm
Housing MaterialMetal
Length (Sealing Surface To End Of Connector)24 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 27 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2022Land RoverRange Rover Sport5.0LV8Downstream RightActual OE Oxygen Sensor
2021Land RoverRange Rover Sport5.0LV8Downstream RightActual OE Oxygen Sensor
2020Land RoverDiscovery3.0LV6Downstream RightLocated After Primary Converter; Super Ultra Low Emission Vehicle (SULEV); Actual OE Oxygen Sensor
2020Land RoverRange Rover5.0LV8Downstream RightLocated After Primary Converter; Super Ultra Low Emission Vehicle (SULEV); Actual OE Oxygen Sensor
2019Land RoverDiscovery3.0LV6Downstream RightLocated After Primary Converter; Super Ultra Low Emission Vehicle (SULEV); Actual OE Oxygen Sensor
2019Land RoverRange Rover5.0LV8Downstream RightLocated After Primary Converter; Super Ultra Low Emission Vehicle (SULEV); Actual OE Oxygen Sensor
2019Land RoverRange Rover3.0LV6Downstream RightLocated After Primary Converter; Super Ultra Low Emission Vehicle (SULEV); Actual OE Oxygen Sensor
2019Land RoverRange Rover Sport3.0LV6Downstream RightLocated After Primary Converter; Actual OE Oxygen Sensor
2018Land RoverDiscovery3.0LV6Downstream RightLocated After Primary Converter; Super Ultra Low Emission Vehicle (SULEV); Actual OE Oxygen Sensor
2018Land RoverRange Rover5.0LV8Downstream RightLocated After Primary Converter; Super Ultra Low Emission Vehicle (SULEV); Actual OE Oxygen Sensor
2018Land RoverRange Rover3.0LV6Downstream RightLocated After Primary Converter; Super Ultra Low Emission Vehicle (SULEV); Actual OE Oxygen Sensor
2018Land RoverRange Rover Sport5.0LV8Downstream RightLocated After Primary Converter; Actual OE Oxygen Sensor
2018Land RoverRange Rover Sport3.0LV6Downstream RightLocated After Primary Converter; Actual OE Oxygen Sensor
2017Land RoverDiscovery3.0LV6Downstream RightLocated After Primary Converter; Super Ultra Low Emission Vehicle (SULEV); Actual OE Oxygen Sensor
2017Land RoverRange Rover3.0LV6Downstream RightLocated After Primary Converter; Super Ultra Low Emission Vehicle (SULEV); Actual OE Oxygen Sensor
2017Land RoverRange Rover5.0LV8Downstream RightLocated After Primary Converter; Super Ultra Low Emission Vehicle (SULEV); Actual OE Oxygen Sensor
2017Land RoverRange Rover Sport5.0LV8Downstream RightLocated After Primary Converter; Actual OE Oxygen Sensor
2017Land RoverRange Rover Sport3.0LV6Downstream RightLocated After Primary Converter; Actual OE Oxygen Sensor
2016Land RoverRange Rover5.0LV8Downstream RightLocated After Primary Converter; Actual OE Oxygen Sensor
2016Land RoverRange Rover3.0LV6Downstream RightLocated After Primary Converter; Actual OE Oxygen Sensor
2016Land RoverRange Rover3.0LV6Downstream RightLocated After Primary Converter; Super Ultra Low Emission Vehicle (SULEV); Actual OE Oxygen Sensor
2016Land RoverRange Rover Sport5.0LV8Downstream RightLocated After Primary Converter; Actual OE Oxygen Sensor
2016Land RoverRange Rover Sport3.0LV6Downstream RightLocated After Primary Converter; Actual OE Oxygen Sensor
2015Land RoverRange Rover5.0LV8Downstream LeftLocated After Primary Converter; Actual OE Oxygen Sensor
2015Land RoverRange Rover3.0LV6Downstream RightLocated After Primary Converter; Actual OE Oxygen Sensor
2015Land RoverRange Rover Sport5.0LV8Downstream RightLocated After Primary Converter; Actual OE Oxygen Sensor
2015Land RoverRange Rover Sport3.0LV6Downstream RightLocated After Primary Converter; Actual 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:

LR140073

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