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Walker 350-34871 Oxygen Sensor - Upstream
| Brand | Walker 350-34871 |
|---|---|
| Position | Upstream |
| Product line | Walker Products Aftermarket |
| Fits | Land Rover · 6 vehicles |
OE replacement. Engineered to match original equipment requirements.
Provides the diagnostic feedback the ECU needs.
Walker Products Aftermarket. Engine management sensor expertise since 1946.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
Walker 350-34871 Oxygen Sensor for Freelander
Walker Products 350-34871 is an upstream oxygen sensor engineered as an OE-style replacement for specific Land Rover applications. It is built to provide the ECU with the diagnostic feedback needed for proper fuel control and emissions monitoring on 1999-2001 Land Rover Freelander models.
Walker Products Aftermarket focuses on engine management and oxygen/air-fuel sensors for vehicle-specific fitment. The 350-34871 part number is matched to the upstream position, making it a direct-fit option for the Land Rover Freelander oxygen sensor replacement search.
Key Features
- Upstream oxygen sensor for the specified application
- Vehicle-specific fitment for 1999-2001 Land Rover Freelander
- OE-style replacement engineered for ECU feedback requirements
- Supports emissions monitoring and air-fuel ratio control
- Walker Products Aftermarket part number 350-34871
Fitment Details
Fits 1999-2001 Land Rover Freelander, upstream. Fits 1999-2001 Land Rover Freelander, Bank 1 Sensor 1 upstream oxygen sensor location.
What It Helps Address
- Check engine light related to oxygen sensor performance
- Poor engine operation caused by incorrect sensor feedback
- Increased fuel consumption from inaccurate air-fuel data
- Higher exhaust emissions from a failing upstream sensor
- Fault codes stored in the ECU for the affected sensor circuit
Installation Notes
Confirm the sensor position before ordering, since this part is specified for the upstream location. Inspect the sensor wiring harness and connector for heat damage, corrosion, or physical wear during replacement, and verify the vehicle’s fault codes after installation. This part number is 350-34871.
Quality Assurance
Walker Products has supplied engine management and fuel system components since 1946 and operates under Automotive ISO9001/TS 16949 certification. The 350-34871 oxygen sensor is manufactured for the specified application and fitment position to support the diagnostic needs of the ECU.
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2001 | Land Rover | Freelander | 1.8L | L4 | GAS | Upstream | Bank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products Aftermarket |
| 2001 | Land Rover | Freelander | 1.8L | L4 | GAS | Upstream | Front oxygen sensor compatible with various vehicle models.; Walker Products Aftermarket |
| 2000 | Land Rover | Freelander | 1.8L | L4 | GAS | Upstream | Bank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products Aftermarket |
| 2000 | Land Rover | Freelander | 1.8L | L4 | GAS | Upstream | Front oxygen sensor compatible with various vehicle models.; Walker Products Aftermarket |
| 1999 | Land Rover | Freelander | 1.8L | L4 | GAS | Upstream | Bank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products Aftermarket |
| 1999 | Land Rover | Freelander | 1.8L | L4 | GAS | Upstream | Front oxygen sensor compatible with various vehicle models.; Walker Products Aftermarket |
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