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Walker 350-34793 Oxygen Sensor - Downstream
| Brand | Walker 350-34793 |
|---|---|
| Position | Downstream |
| Connector Gender | Male |
| Connector Shape | Radiused Polygon |
| Mounting Type | Threaded |
| Overall Length | 30.63 |
| Sensor Type | Heated |
| Thread Diameter | 18.0 |
| Universal Or Specific Fit | Specific |
| Wire Gauge Measurement | 20 |
| Wire Quantity | 4 |
| Wiring Harness Length | 27.09 |
| Product line | Walker Products Aftermarket |
| Fits | Hyundai · 4 vehicles |
OE replacement. Engineered as an original-equipment-style oxygen sensor for specific applications.
Heated sensor. Helps deliver the diagnostic feedback the ECU expects.
Threaded mount. Radiused polygon connector and male plug for a secure connection.
Walker 350-34793 Oxygen Sensor for Hyundai
Walker Products 350-34793 is a heated oxygen sensor built as a specific-fit OE replacement for select Hyundai Santa Fe Sport applications. It is engineered to provide the ECU with the exhaust feedback needed for proper fuel control and emissions monitoring.
Key Features
- Specific-fit heated oxygen sensor for targeted vehicle applications
- Threaded mounting design with 18.0 mm thread diameter
- 4-wire configuration with 20-gauge wiring
- Radiused polygon male connector for vehicle-specific connection
- Wiring harness length: 27.09 in.; overall length: 30.63 in.
- Walker Products Aftermarket engine management sensor line
Application Details
Compatible with 2013-2014 Hyundai Santa Fe Sport, downstream, and 2015-2016 Hyundai Santa Fe Sport, downstream. This Walker 350-34793 oxygen sensor is a direct-fit replacement for B1S2 applications on the listed vehicles, making it a practical choice when servicing a Hyundai Santa Fe Sport downstream oxygen sensor circuit.
The Walker Products Aftermarket line focuses on engine management and oxygen/air-fuel sensors built for application-specific fitment and ECU feedback requirements. For Hyundai Santa Fe Sport owners, this part number 350-34793 supports the downstream sensor position used to monitor exhaust stream performance after the catalytic converter.
What It Helps Address
- Check engine light related to downstream oxygen sensor faults
- Poor fuel economy caused by inaccurate exhaust feedback
- Rough engine operation tied to incorrect air-fuel correction
- Elevated exhaust emissions from a failing sensor
- Stored ECU fault codes linked to the affected sensor circuit
Installation Notes
Confirm the downstream bank 1 sensor 2 location before installation. Inspect the sensor wiring harness and connector for heat damage, abrasion, or corrosion, since physical damage can shorten sensor life and affect signal quality. Verify thread engagement and connector alignment during replacement to avoid cross-threading or connection issues.
Quality Assurance
Walker Products manufactures engine management sensors as OE-style replacements for specific vehicle applications and backs its product development with ISO 9001/TS 16949 certified manufacturing practices. Part number 350-34793 is built to deliver the diagnostic feedback expected by the ECU on the listed Hyundai Santa Fe Sport applications.
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2016 | Hyundai | Santa Fe Sport | 2.0L | L4 | — | Downstream | B1S2; OE Replacement |
| 2015 | Hyundai | Santa Fe Sport | 2.0L | L4 | — | Downstream | B1S2; OE Replacement |
| 2014 | Hyundai | Santa Fe Sport | 2.0L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket |
| 2013 | Hyundai | Santa Fe Sport | 2.0L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket |
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