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Walker 350-34153 Oxygen Sensor - Downstream Rear
Overview of Walker 350-34153 Oxygen Sensor for Mazda Millenia
The Walker 350-34153 oxygen sensor is designed specifically for the Mazda Millenia, ensuring precise emission control and optimal engine performance. This heated oxygen sensor features a threaded mounting type and a radiused polygon male connector for secure installation.
- Heated oxygen sensor with 4-wire configuration
- Specific fit for Mazda Millenia models
- Threaded mounting with 18.0 mm thread diameter
- 37.52 inches wiring harness length and 41.06 inches overall length
- 20 gauge wire for reliable signal transmission
- Radiused polygon male connector for secure connection
Detailed Product Description
The Walker 350-34153 oxygen sensor is engineered to meet the exact specifications required by the Mazda Millenia. Featuring a heated sensor type, it helps the engine control module accurately monitor and adjust the air-fuel mixture for efficient combustion and reduced emissions. The sensor includes a 4-wire setup with 20 gauge wires, providing stable and consistent electrical signals. Its 37.52-inch wiring harness length and 41.06-inch overall length allow for proper routing and fitment within the vehicle’s engine bay. The threaded mounting type with an 18.0 mm diameter ensures a secure and leak-free installation. The radiused polygon male connector is designed for a precise fit, minimizing the risk of disconnection or electrical issues.
Walker Products Aftermarket Line
This oxygen sensor is part of the Walker Products Aftermarket line, which focuses on providing reliable emission control components tailored to specific vehicle applications. The product line emphasizes exact fitment and quality construction to support emission system performance and regulatory compliance for vehicles like the Mazda Millenia.
Common Applications and Issues Addressed
- Restores accurate oxygen sensing for proper air-fuel ratio management
- Helps resolve engine performance problems related to faulty sensors
- Reduces emissions by ensuring correct exhaust gas readings
- Prevents check engine light triggers caused by sensor failure
- Supports fuel efficiency by maintaining optimal combustion conditions
Installation Notes and Tips
- Ensure the vehicle is cool before sensor removal to avoid burns
- Use appropriate tools for threaded sensor removal and installation
- Verify connector type matches the vehicle harness before installation
- Do not over-tighten the sensor to prevent damage to threads
- Check wiring harness routing to avoid contact with hot or moving parts
Quality Assurance and Warranty
The Walker 350-34153 oxygen sensor is manufactured to meet industry standards for emission control sensors. It undergoes rigorous testing to ensure durability and reliable performance in the Mazda Millenia. 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 | 350-34153 |
| Position | Walker Products Aftermarket, Downstream Rear |
| Connector Gender | Male |
| Connector Shape | Radiused Polygon |
| Mounting Type | Threaded |
| Overall Length | 41.06 |
| Sensor Type | Heated |
| Thread Diameter | 18.0 |
| Universal Or Specific Fit | Specific |
| Wire Gauge Measurement | 20 |
| Wire Quantity | 4 |
| Wiring Harness Length | 37.52 |
This part fits 4 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2000 | Mazda | Millenia | 2.5L | V6 | GAS | Downstream Rear | Rear downstream oxygen sensor must be installed in correct position.; Walker Products Aftermarket |
| 1999 | Mazda | Millenia | 2.5L | V6 | GAS | Downstream Rear | Rear downstream oxygen sensor must be installed in correct position.; Walker Products Aftermarket |
| 1998 | Mazda | Millenia | 2.5L | V6 | GAS | Downstream Rear | Rear downstream oxygen sensor must be installed in correct position.; Walker Products Aftermarket |
| 1997 | Mazda | Millenia | 2.5L | V6 | GAS | Downstream Rear | Rear downstream oxygen sensor must be installed in correct position.; 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.