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Walker 350-64132 Oxygen Sensor - Downstream
| Brand | Walker 350-64132 |
|---|---|
| Position | Downstream |
| Heated | Yes |
| Sensor Type | Wide-band |
| Terminal Type | Blade |
| Universal Or Specific Fit | Specific |
| Wire Quantity | 4 |
| Grade Type | Standard replacement |
| Connector Shape | Square |
| Terminal Quantity | 4 |
| Connector Gender | Female |
| Terminal Gender | Male |
| Thread Size | M18 - 1.5 |
| Overall Length | 515 |
| Mounting Type | Threaded |
| Product line | OE Replacement |
| Fits | Lexus · 8 vehicles |
OE replacement. Built for specific-fit service on the listed application.
Heated wide-band design. Provides precise exhaust signal feedback for engine management.
Threaded mounting. M18 x 1.5 thread size with a square 4-terminal connector.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
OE Replacement Oxygen Sensor
Walker 350-64132 is a specific-fit oxygen sensor engineered as an OE replacement for downstream applications. It is built for vehicles that need accurate exhaust feedback to the ECU, helping maintain proper fuel control and emissions monitoring.
Key Features
- Heated wide-band oxygen sensor for precise exhaust signal feedback
- Specific-fit design for the listed application
- Threaded mounting with M18 x 1.5 thread size
- Square connector with 4 terminals, female connector and male terminals
- Standard replacement grade for direct service use
Detailed Description
This Walker oxygen sensor, part number 350-64132, is engineered for downstream use on select Lexus applications. It is designed to provide the diagnostic feedback the ECU relies on for air-fuel management and emissions control. The heated wide-band design, 4-wire layout, and threaded mounting help match the original sensor configuration for the listed vehicles. Fits 2019-2022 Lexus UX200, downstream. Fits 2019-2022 Lexus UX250h, downstream. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.
What It Is Used For
- Replacing a failed downstream oxygen sensor
- Addressing a malfunction indicator light related to sensor performance
- Restoring proper ECU feedback for fuel and emissions control
- Correcting poor engine operation linked to inaccurate exhaust readings
- Replacing a damaged sensor with a specific-fit unit
Installation Notes and Tips
Verify the connector shape, terminal count, thread size, and mounting position before installation. Inspect the sensor wiring harness and connector for damage, since related faults can shorten sensor life. Confirm the application matches the vehicle and downstream location before ordering. Part number 350-64132 is built for the listed fitment only.
Quality Assurance
Walker Products manufactures engine management and oxygen sensor components as OE replacement parts and operates under ISO 9001/TS 16949 certification. Part number 350-64132 is produced for the specific application and fitment position listed above.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2022 | Lexus | UX200 | 2.0L | L4 | Downstream | OE Replacement |
| 2022 | Lexus | UX250h | 2.0L | L4 | Downstream | OE Replacement |
| 2021 | Lexus | UX200 | 2.0L | L4 | Downstream | OE Replacement |
| 2021 | Lexus | UX250h | 2.0L | L4 | Downstream | OE Replacement |
| 2020 | Lexus | UX200 | 2.0L | L4 | Downstream | OE Replacement |
| 2020 | Lexus | UX250h | 2.0L | L4 | Downstream | OE Replacement |
| 2019 | Lexus | UX200 | 2.0L | L4 | Downstream | OE Replacement |
| 2019 | Lexus | UX250h | 2.0L | L4 | Downstream | OE Replacement |
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