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Walker 350-341079 Oxygen Sensor - Downstream
| Brand | Walker 350-341079 |
|---|---|
| Position | Downstream |
| Heated | Yes |
| Wire Gauge Measurement | 20.0 |
| Sensor Type | Narrow-band |
| Terminal Type | Spade |
| Universal Or Specific Fit | Specific |
| Wire Quantity | 4 |
| Connector Shape | Oblong |
| Terminal Quantity | 4 |
| Connector Gender | Male |
| Terminal Gender | Female |
| Thread Size | M18 - 1.5 |
| Overall Length | 1150 |
| Mounting Type | Threaded |
| Product line | OE Replacement |
| Fits | Jaguar and Land Rover · 9 vehicles |
OE replacement. Engineered as a direct replacement for specific applications.
Heated narrow-band sensor. Provides the diagnostic feedback the ECU requires.
Threaded mounting. Uses an M18 x 1.5 thread for secure installation.
OE Replacement Downstream Oxygen Sensor
Walker OE Replacement oxygen sensor 350-341079 is a specific-fit, heated narrow-band sensor for downstream monitoring on select Land Rover and Jaguar applications. It is built to deliver the ECU feedback required for proper emissions and fuel-control diagnostics.
Key Features
- Heated narrow-band oxygen sensor for downstream placement
- Specific-fit design for the listed vehicle applications
- 4-wire configuration with oblong male connector and female terminals
- M18 x 1.5 threaded mounting style
- 1150 mm overall length for application-specific routing
- Walker OE Replacement part number 350-341079
Application Details
This Walker Products OE Replacement sensor is engineered for the downstream position on 2020-2025 Land Rover Range Rover Evoque and 2024 Jaguar E-Pace. It also fits 2022-2023 Jaguar E-Pace, downstream, B1S3; OE Replacement. As a narrow-band oxygen sensor, it supports exhaust monitoring after the catalyst and helps the ECU evaluate emissions system performance. The Walker OE Replacement line focuses on application-specific sensor fitment and diagnostic feedback for modern engine management systems, making 350-341079 a direct replacement choice for the listed Land Rover Range Rover Evoque and Jaguar E-Pace vehicles.
What It Helps Address
- Check engine light related to downstream oxygen sensor faults
- Poor fuel economy caused by inaccurate exhaust feedback
- Elevated exhaust emissions from a failing sensor
- Rough engine operation tied to incorrect ECU input
- Diagnostic trouble codes stored in the ECU for sensor or emissions-system issues
Installation Notes and Tips
Confirm the downstream sensor location, connector shape, terminal count, and thread size before installation. Inspect the sensor wiring harness and connector for heat damage, corrosion, or physical wear, since damaged wiring can shorten sensor life and affect readings. Verify the vehicle’s exact year, model, and position against the listed fitment before ordering.
Quality Assurance
Walker Products has produced engine management and oxygen/air-fuel sensors since 1946 and operates as an ISO 9001/TS 16949 certified company. Part number 350-341079 is manufactured as an OE-style replacement for the specified application and diagnostic requirements.
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2025 | Land Rover | Range Rover Evoque | 2.0L | L4 | — | Downstream | OE Replacement |
| 2024 | Jaguar | E-Pace | 2.0L | L4 | — | Downstream | OE Replacement |
| 2024 | Land Rover | Range Rover Evoque | 2.0L | L4 | — | Downstream | OE Replacement |
| 2023 | Jaguar | E-Pace | 2.0L | L4 | — | Downstream | B1S3; OE Replacement |
| 2023 | Land Rover | Range Rover Evoque | 2.0L | L4 | — | Downstream | OE Replacement |
| 2022 | Jaguar | E-Pace | 2.0L | L4 | GAS | Downstream | B1S3; OE Replacement |
| 2022 | Land Rover | Range Rover Evoque | 2.0L | L4 | — | Downstream | OE Replacement |
| 2021 | Land Rover | Range Rover Evoque | 2.0L | L4 | — | Downstream | OE Replacement |
| 2020 | Land Rover | Range Rover Evoque | 2.0L | L4 | — | Downstream | OE Replacement |
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