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Walker 350-34574 Oxygen Sensor - Downstream
Overview of Walker 350-34574 Oxygen Sensor
The Walker 350-34574 oxygen sensor is designed specifically for select Hyundai and Kia models, including the Magentis, Optima, Rondo, and Sonata. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by monitoring exhaust gases effectively.
- Heated sensor type for faster response times
- Specific fit for Hyundai and Kia vehicles
- 16.26-inch wiring harness length for precise installation
- 20-gauge wire measurement with 4 wires for reliable signal transmission
- Radiused polygon male connector for secure connection
- Threaded mounting type with 18.0 mm thread diameter
- Overall length of 19.8 inches for proper fitment
Detailed Product Description
This Walker oxygen sensor, part number 350-34574, is engineered to meet the exact specifications of Hyundai and Kia vehicles such as the Magentis, Optima, Rondo, and Sonata. Featuring a heated sensor element, it provides quicker warm-up times compared to non-heated sensors, improving fuel efficiency and reducing emissions sooner after engine start. The sensor includes a 16.26-inch wiring harness with 20-gauge wires and a 4-wire configuration, ensuring accurate and stable signal transmission to the vehicle’s engine control unit. The radiused polygon male connector and threaded mounting type with an 18.0 mm thread diameter allow for a secure and precise installation, maintaining the integrity of the emission control system.
Walker Products Aftermarket Line
The Walker Products Aftermarket line focuses on delivering reliable emission control components that meet or exceed OEM standards. This oxygen sensor is part of that line, providing a direct replacement solution tailored for specific vehicle applications. The product line emphasizes compatibility and durability, ensuring that parts like the 350-34574 oxygen sensor integrate seamlessly with the vehicle’s existing systems.
Common Applications and Issues Addressed
- Restores accurate oxygen level readings for proper air-fuel mixture
- Helps resolve engine performance issues such as rough idling or hesitation
- Reduces emissions to comply with environmental regulations
- Prevents check engine light triggers related to oxygen sensor faults
- Improves fuel economy by optimizing combustion efficiency
Installation Notes and Tips
When installing the Walker 350-34574 oxygen sensor, ensure the vehicle is cool to avoid burns. Use the correct tools to avoid damaging the threaded mounting. Verify the connector shape and gender match the vehicle’s wiring harness for a secure fit. It is recommended to inspect the wiring harness length and routing to prevent strain or damage during installation.
Quality Assurance and Warranty
Walker oxygen sensors undergo rigorous testing to meet emission control standards and provide reliable performance. The 350-34574 sensor is manufactured to precise specifications for Hyundai and Kia vehicles. Warranty details are provided by Walker Products Aftermarket and typically cover defects in materials and workmanship under normal use.
| Brand | Walker |
|---|---|
| Part Number | 350-34574 |
| Position | Walker Products Aftermarket, Downstream |
| Connector Gender | Male |
| Connector Shape | Radiused Polygon |
| Mounting Type | Threaded |
| Overall Length | 19.8 |
| Sensor Type | Heated |
| Thread Diameter | 18.0 |
| Universal Or Specific Fit | Specific |
| Wire Gauge Measurement | 20 |
| Wire Quantity | 4 |
| Wiring Harness Length | 16.26 |
This part fits 10 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2008 | Hyundai | Sonata | 2.4L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket |
| 2008 | Kia | Magentis | 2.4L | L4 | Downstream | OE Replacement | |
| 2008 | Kia | Optima | 2.4L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket |
| 2008 | Kia | Rondo | 2.4L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket |
| 2007 | Hyundai | Sonata | 2.4L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket |
| 2007 | Kia | Magentis | 2.4L | L4 | Downstream | OE Replacement | |
| 2007 | Kia | Optima | 2.4L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket |
| 2007 | Kia | Rondo | 2.4L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket |
| 2006 | Hyundai | Sonata | 2.4L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket |
| 2006 | Kia | Optima | 2.4L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; 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.