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Walker 350-34719 Oxygen Sensor - Downstream
| Brand | Walker 350-34719 |
|---|---|
| Position | Downstream |
| Connector Gender | Male |
| Connector Shape | Radiused Polygon |
| Mounting Type | Threaded |
| Overall Length | 39.49 |
| Sensor Type | Heated |
| Thread Diameter | 18.0 |
| Universal Or Specific Fit | Specific |
| Wire Gauge Measurement | 22 |
| Wire Quantity | 4 |
| Wiring Harness Length | 35.94 |
| Product line | Walker Products Aftermarket |
| Fits | Kia · 3 vehicles |
OE replacement. Engineered as an original-equipment-style oxygen sensor.
Heated sensor. Delivers faster feedback for precise engine management.
Threaded mount. Installs with a secure, direct-fit connection.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
Walker 350-34719 Oxygen Sensor for Kia Soul
Walker Products 350-34719 is a heated oxygen sensor built as a specific-fit OE replacement for downstream applications. It is engineered for 2014 Kia Soul and 2015-2016 Kia Soul models in the B1S2 downstream position, helping the ECU receive the feedback it needs for fuel control and emissions monitoring.
Key Features
- Heated oxygen sensor for downstream bank 1 sensor 2 applications
- Specific-fit design for direct vehicle application matching
- 18.0 mm threaded mounting type
- 4-wire configuration with 22-gauge wiring
- Radiused polygon male connector for proper harness connection
- Wiring harness length: 35.94
- Overall length: 39.49
Product Details
Walker Products Aftermarket focuses on engine management and oxygen/air-fuel sensors developed as OE-style replacements for a wide range of vehicles. Part number 350-34719 is built for the downstream sensor location on Kia Soul models, where it supports exhaust monitoring and ECU diagnostics. If the original sensor is aging or damaged, this replacement helps restore accurate sensor feedback for the vehicle’s emissions system.
This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.
What It Helps Address
- Check engine light related to downstream oxygen sensor faults
- Poor fuel economy caused by inaccurate exhaust feedback
- Elevated exhaust emissions from a failing sensor
- Rough engine operation tied to sensor signal issues
- Stored ECU fault codes for B1S2 or downstream sensor circuits
Installation Notes
Verify the connector shape, thread diameter, and harness routing before installation. Inspect the sensor wiring, connector, and nearby exhaust components for heat damage or corrosion, since physical damage can shorten sensor life. Confirm the downstream bank 1 sensor 2 location on the vehicle before replacement.
Quality Assurance
Walker Products has supplied engine management components since 1946 and manufactures this sensor to application-specific requirements for fitment position and ECU feedback. The company is ISO 9001/TS 16949 certified, supporting consistent production standards for aftermarket replacement parts.
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2016 | Kia | Soul | 2.0L | L4 | — | Downstream | B1S2; OE Replacement |
| 2015 | Kia | Soul | 2.0L | L4 | — | Downstream | B1S2; OE Replacement |
| 2014 | Kia | Soul | 2.0L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket |
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