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Walker 350-34315 Oxygen Sensor - Downstream
| Brand | Walker 350-34315 |
|---|---|
| Position | Downstream |
| Connector Gender | Male |
| Connector Shape | Radiused Polygon |
| Mounting Type | Threaded |
| Overall Length | 27.68 |
| Sensor Type | Heated |
| Thread Diameter | 18.0 |
| Universal Or Specific Fit | Specific |
| Wire Gauge Measurement | 20 |
| Wire Quantity | 4 |
| Wiring Harness Length | 24.13 |
| Product line | Walker Products Aftermarket |
| Fits | Toyota · 2 vehicles |
OE replacement. Engineered as a direct-fit oxygen sensor for reliable ECU feedback.
Heated sensor. Helps the system reach operating temperature quickly for consistent readings.
Threaded mount. Installs with a secure threaded connection for a clean, precise fit.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
Walker 350-34315 Oxygen Sensor for Toyota RAV4
Walker Products 350-34315 is a heated oxygen sensor built as a specific-fit OE replacement for select 2004-2005 Toyota RAV4 applications. It is engineered to provide the ECU with the feedback needed for proper fuel control and emissions monitoring.
For a 2004-2005 Toyota RAV4 downstream bank 1 sensor 2 replacement, this Walker Products Aftermarket oxygen sensor is matched to the application, connector style, and threaded mounting design.
Key Features
- Heated oxygen sensor for emissions and fuel-trim feedback
- Specific fit for select Toyota RAV4 downstream applications
- 4-wire design with 20-gauge wiring
- Radiused polygon male connector for vehicle-specific connection
- Threaded mounting with 18.0 mm thread diameter
- Wiring harness length: 24.13 in.; overall length: 27.68 in.
Product Details
Walker Products 350-34315 is part of the Walker Products Aftermarket engine management line, which focuses on OE-style replacement sensors for vehicle-specific fitment. This oxygen sensor is intended for downstream bank 1 sensor 2 use on select Toyota RAV4 models, helping the ECU monitor exhaust conditions after the catalytic converter. The 350-34315 part number is built around the listed application details so the sensor, connector, and harness layout align with the original configuration.
Walker Products has supplied engine management and oxygen/air-fuel sensors for decades, with manufacturing processes centered on application-specific replacement parts. The 350-34315 is one of those application-matched parts for Toyota RAV4 service work where accurate sensor feedback is needed.
Common Issues This Sensor May Address
- Illuminated malfunction indicator light related to oxygen sensor performance
- Poor fuel economy caused by incorrect exhaust feedback
- Rough engine operation tied to faulty sensor input
- Increased exhaust emissions from a degraded downstream sensor
- Stored ECU fault codes for the affected sensor circuit
Installation Notes
Fits 2004-2005 Toyota RAV4, downstream. Confirm bank 1 sensor 2 placement before installation and inspect the sensor wiring harness and connector for damage. Check the threaded mounting area for proper condition and verify the connector shape matches the vehicle harness. The 350-34315 uses a threaded mount and a 4-wire heated design, so correct routing and secure connection are important for reliable operation.
Quality Assurance
Walker Products manufactures this sensor as an OE-style replacement under its engine management and oxygen sensor program. The brand operates as an ISO 9001/TS 16949 certified company and has supported aftermarket sensor applications since 1946.
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2005 | Toyota | RAV4 | 2.4L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket |
| 2004 | Toyota | RAV4 | 2.4L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket |
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