HomeEmission Control > SensorsBosch 18019 Oxygen Sensor - Downstream or Downstream Right
Part #: 18019

Bosch 18019 Oxygen Sensor - Downstream or Downstream Right

Bosch Validated Oxygen Sensor, Downstream Right
⚙️ 11 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Bosch Validated Oxygen Sensor, Downstream Right
🚗Fitment: Land Rover, LR4, Range Rover Sport, and Range Rover
🔄Easy Returns — Return within 60 days for a full refund
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Overview of Bosch Validated Oxygen Sensor 18019

The Bosch Validated Oxygen Sensor 18019 is designed specifically for Land Rover models including the LR4, Range Rover, and Range Rover Sport. This narrow-band heated oxygen sensor ensures accurate emission control and optimal engine performance by monitoring exhaust gases precisely.

  • Specific fit for Land Rover LR4, Range Rover, and Range Rover Sport
  • Heated narrow-band oxygen sensor for reliable operation
  • Threaded mounting type with 18 mm thread diameter and 22 mm hex size
  • Includes a 38-inch wiring harness with 4 wires and blade terminals
  • Durable metal housing finished in steel for long-lasting use
  • Connector features a rectangular shape with male gender terminals
  • Standard replacement grade type for direct fit and function

Detailed Product Description

The Bosch Validated Oxygen Sensor 18019 is engineered to meet the specific requirements of Land Rover vehicles such as the LR4, Range Rover, and Range Rover Sport. This sensor is a narrow-band type with heating elements to ensure quick response times and accurate oxygen level readings under various operating conditions. The sensor’s metal housing and steel finish provide durability against harsh engine environments. It features a threaded mounting design with an 18 mm thread diameter and a 22 mm hex size for secure installation. The included wiring harness measures 38 inches in length and has four wires with blade terminals, connecting via a rectangular male connector for a precise fit. This oxygen sensor is a standard replacement part, designed to maintain factory-level emission control performance.

About the Bosch Validated Oxygen Sensor Line

The Bosch Validated Oxygen Sensor product line focuses on delivering sensors that have been rigorously tested and validated for specific vehicle applications. This ensures compatibility and reliable performance in emission control systems. The 18019 part number is part of this line, providing a direct fit solution for Land Rover models, helping maintain compliance with emission standards and engine efficiency.

Common Applications and Issues Addressed

  • Restores accurate air-fuel mixture readings for improved fuel efficiency
  • Helps resolve engine performance issues related to faulty oxygen sensors
  • Reduces emissions by ensuring proper catalytic converter function
  • Eliminates check engine light triggers caused by sensor failure
  • Prevents rough idling and poor acceleration linked to oxygen sensor faults

Installation Notes and Tips

  • Ensure the vehicle is cool before removing the old sensor to avoid burns
  • Use a 22 mm oxygen sensor socket for proper removal and installation
  • Verify the wiring harness length and connector type match the vehicle’s factory setup
  • Do not overtighten the sensor; torque to manufacturer specifications
  • Check for any exhaust leaks around the mounting area after installation

Quality Assurance and Warranty

The Bosch Validated Oxygen Sensor 18019 is manufactured with high-quality materials including a metal housing and steel finish to withstand engine conditions. As a standard replacement part, it meets OEM specifications for fit and function. 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 11 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2013Land RoverLR45.0LV8Downstream RightBosch Validated Oxygen Sensor
2013Land RoverRange Rover Sport5.0LV8Downstream RightBosch Validated Oxygen Sensor
2012Land RoverLR45.0LV8Downstream RightBosch Validated Oxygen Sensor
2012Land RoverRange Rover5.0LV8DownstreamBosch Validated Oxygen Sensor
2012Land RoverRange Rover Sport5.0LV8Downstream RightBosch Validated Oxygen Sensor
2011Land RoverLR45.0LV8Downstream RightBosch Validated Oxygen Sensor
2011Land RoverRange Rover5.0LV8DownstreamBosch Validated Oxygen Sensor
2011Land RoverRange Rover Sport5.0LV8Downstream RightBosch Validated Oxygen Sensor
2010Land RoverLR45.0LV8Downstream RightBosch Validated Oxygen Sensor
2010Land RoverRange Rover5.0LV8DownstreamBosch Validated Oxygen Sensor
2010Land RoverRange Rover Sport5.0LV8Downstream RightBosch 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.