Bosch 17129 Oxygen Sensor - Downstream or Downstream Rear

Bosch OE Oxygen Sensor for Range Rover Evoque

Bosch 17129 is a narrow-band heated oxygen sensor built for precise air-fuel-ratio feedback to the ECU. It supports stable combustion control and emissions management for the Land Rover Range Rover Evoque, with fitment for downstream applications on 2020-2025 models.

Key Features

• Specific-fit Bosch Actual OE Oxygen Sensor for direct application matching
• Narrow-band heated sensor design for faster closed-loop operation
• Blade terminals, 4-wire harness, and rectangle connector for OE-style integration
• Threaded mounting with 18 mm thread diameter and 22 mm hex size
• Metal housing and high-temperature-resistant construction for demanding exhaust conditions
• Wiring harness included with 41.9 in harness length and 45.3 in overall length

Product Details

Bosch 17129 uses the brand’s Actual OE Oxygen Sensor line, which draws on Bosch’s long history of OE sensor development and narrowband design refinement. The sensor measures exhaust oxygen content and sends accurate feedback to the engine control unit, helping maintain proper fuel control during warm-up, cruising, and closed-loop operation. This part cross-references LR140091 for the same application.

Compatible with 2020-2022 Land Rover Range Rover Evoque, downstream, and 2023-2025 Land Rover Range Rover Evoque, downstream rear. Bosch 17129 is a direct-fit replacement for drivers searching for a Land Rover Range Rover Evoque downstream oxygen sensor, Bosch 17129 oxygen sensor, or OE-style narrow-band heated O2 sensor for these model years.

What It Helps Address

• Check engine light related to oxygen sensor performance
• Incorrect air-fuel ratio readings at the ECU
• Rough idle or unstable fuel control after sensor aging
• Emissions test failures tied to downstream sensor faults
• Slow sensor response from heat cycling and exhaust exposure

Installation Notes

Verify the connector shape, wire count, thread size, and sensor position before installation. This sensor uses a threaded mount and a 4-wire heated configuration, so confirm the downstream location on the vehicle and inspect the exhaust bung threads before tightening. Use proper oxygen sensor service tools to avoid damaging the housing or harness during removal and installation.

Quality Assurance

Bosch supplies this oxygen sensor as part of its Actual OE line, using OE-proven design principles, ceramic sensing elements, optimized heater control, and durable materials selected for high heat and vibration exposure. Bosch 17129 is engineered to deliver consistent sensor output for the Land Rover Range Rover Evoque application listed above.