Bosch 16025 Oxygen Sensor - Downstream Right

Bosch OE Oxygen Sensor for Land Rover

Bosch 16025 is an Actual OE Oxygen Sensor built for precise air-fuel-ratio feedback to the ECU. It is a narrow-band heated sensor with a specific fit, making it a direct replacement for select Land Rover applications, including Defender, Discovery, Range Rover, and Range Rover Sport models.

Bosch’s Actual OE Oxygen Sensor line draws on decades of original-equipment development, using ceramic sensing elements, controlled heater operation, and heat-resistant materials to maintain stable signal output under demanding exhaust temperatures and vibration.

Key Features

• Part number 16025
• Actual OE Oxygen Sensor from Bosch
• Narrow-band heated sensor design
• Specific fit replacement with threaded mounting
• 4-wire layout with blade terminals and rectangular connector
• Wiring harness included
• 18 mm thread diameter and 22 mm hex size
• Steel finish with metal housing

Detailed Description

Bosch 16025 is engineered for downstream oxygen sensor service on select Land Rover vehicles where accurate exhaust-gas feedback is needed for closed-loop fuel control and emissions monitoring. This Bosch Actual OE Oxygen Sensor uses a narrow-band heated design to help the ECU maintain stable combustion control after the catalytic converter, with fast warm-up and consistent signal behavior across changing operating conditions. It is a direct-fit replacement for Land Rover Defender 110, Defender 130, Defender 90, Discovery, Range Rover, and Range Rover Sport applications listed below. This part cross-references LR098291 and LR140079 for the same application.

For buyers searching for a Bosch 16025 oxygen sensor for Land Rover Defender 110 downstream right or a Bosch 16025 replacement for Range Rover downstream right, this sensor matches the OE-style configuration and connector layout needed for service work on the listed vehicles.

What It Helps Address

• Check engine light related to oxygen sensor performance
• Slow or unstable downstream sensor response
• Incorrect air-fuel feedback affecting fuel control
• Emissions test failures tied to sensor degradation
• Exhaust sensor faults after catalytic converter service

Installation Notes and Fitment

Compatible With the following Land Rover applications:

• Fits 2023-2025 Land Rover Defender 110, N/A
• Fits 2024-2025 Land Rover Defender 130, N/A
• Fits 2023-2025 Land Rover Defender 90, N/A
• Fits 2022 Land Rover Defender 110, Downstream Right
• Fits 2022 Land Rover Defender 90, Downstream Right
• Fits 2021-2022 Land Rover Range Rover, Downstream Right
• Fits 2017-2020 Land Rover Discovery, Downstream Right, located after primary converter; except SULEV
• Fits 2016-2020 Land Rover Range Rover, Downstream Right, located after primary converter; except SULEV
• Fits 2013-2014 Land Rover Range Rover, Downstream Right, located after primary converter
• Fits 2014 Land Rover Range Rover Sport, Downstream Right, located after primary converter

Verify connector shape, thread size, and sensor position before installation. The threaded mounting design and included harness support OE-style replacement on the specified Land Rover Defender, Discovery, Range Rover, and Range Rover Sport applications.

Quality Assurance

Bosch backs this oxygen sensor with more than five decades of OE development experience. The Actual OE Oxygen Sensor line is built to the same engineering standards used in original-equipment applications, with durable materials and controlled heater performance for consistent service life in demanding exhaust environments.