OE Quality
60-Day Returns

Walker 350-64074 Oxygen Sensor - Upstream Rear
Overview of Walker 350-64074 Oxygen Sensor for Toyota RAV4
The Walker 350-64074 oxygen sensor is designed specifically for Toyota RAV4 models, providing precise emission control and engine performance monitoring. This heated oxygen sensor ensures accurate readings for optimal fuel efficiency and reduced emissions.
- Heated oxygen sensor with 4 wires for reliable operation
- Specific fit for Toyota RAV4 ensuring proper installation
- Threaded mounting type with 18.0 mm thread diameter
- Connector features a radiused polygon shape with male gender
- Wiring harness length of 9.37 inches and overall length of 12.91 inches
- Wire gauge measurement of 20 for durability and signal integrity
Detailed Features and Specifications
This Walker oxygen sensor (part number 350-64074) is a heated sensor type, which allows it to reach operating temperature quickly for faster and more accurate oxygen level readings. It includes four wires, supporting both sensor signal and heater circuit functions. The sensor is designed with a threaded mounting type featuring an 18.0 mm thread diameter, ensuring a secure and precise fit in the exhaust system of Toyota RAV4 vehicles. The connector is a male type with a radiused polygon shape, facilitating a reliable electrical connection. The wiring harness length measures 9.37 inches, while the overall length of the sensor is 12.91 inches, providing adequate reach and fitment within the vehicle’s engine bay.
Walker Products Aftermarket Line
The Walker Products Aftermarket line focuses on delivering emission control components that meet or exceed OEM specifications. This oxygen sensor is part of that line, engineered to provide consistent performance and durability for Toyota RAV4 owners seeking a direct replacement part. The product line emphasizes compatibility and quality to support emission system functionality and regulatory compliance.
Common Applications and Problem Resolution
- Restores accurate air-fuel mixture readings for improved engine efficiency
- Helps resolve check engine light issues related to oxygen sensor faults
- Reduces excessive emissions caused by faulty sensor readings
- Prevents poor fuel economy linked to malfunctioning oxygen sensors
- Supports smooth engine idling and acceleration performance
Installation Notes and Tips
When installing the Walker 350-64074 oxygen sensor on a Toyota RAV4, ensure the sensor threads are clean and free of debris before mounting. Use anti-seize compound on the threads if recommended by the vehicle manufacturer to facilitate future removal. Confirm the connector matches the vehicle’s wiring harness to avoid electrical issues. Proper torque should be applied to the threaded mounting to prevent leaks or damage.
Quality Assurance and Warranty
Walker oxygen sensors undergo rigorous testing to meet emission control standards and provide reliable operation. The 350-64074 sensor is manufactured to precise specifications for Toyota RAV4 fitment. While specific warranty details are not provided here, Walker Products Aftermarket parts typically come with a limited warranty covering defects in materials and workmanship.
| Brand | Walker |
|---|---|
| Part Number | 350-64074 |
| Position | Walker Products Aftermarket, Upstream Rear |
| Connector Gender | Male |
| Connector Shape | Radiused Polygon |
| Mounting Type | Threaded |
| Overall Length | 12.91 |
| Sensor Type | Heated |
| Thread Diameter | 18.0 |
| Universal Or Specific Fit | Specific |
| Wire Gauge Measurement | 20 |
| Wire Quantity | 4 |
| Wiring Harness Length | 9.37 |
This part fits 3 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2003 | Toyota | RAV4 | 2.0L | L4 | GAS | Upstream Rear | Upstream oxygen sensor for rear exhaust system.; Walker Products Aftermarket |
| 2002 | Toyota | RAV4 | 2.0L | L4 | GAS | Upstream Rear | Upstream oxygen sensor for rear exhaust system.; Walker Products Aftermarket |
| 2001 | Toyota | RAV4 | 2.0L | L4 | GAS | Upstream Rear | Upstream oxygen sensor for rear exhaust system.; Walker Products Aftermarket |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.