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Walker 350-34184 Oxygen Sensor - Downstream
Overview of Walker 350-34184 Oxygen Sensor
The Walker 350-34184 oxygen sensor is designed specifically for select Hyundai and Mitsubishi models, including the Elantra, Excel, Precis, and Sonata. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by providing precise air-fuel mixture data to the vehicle’s engine management system.
- Heated sensor type for faster response times
- Specific fit for Hyundai Elantra, Sonata and Mitsubishi Excel, Precis
- 13.31-inch wiring harness length with 20 gauge wire
- 4-wire configuration with radiused polygon male connector
- Threaded mounting type with 18.0 mm thread diameter
- Overall length of 16.85 inches for proper installation
Detailed Product Description
This oxygen sensor from Walker Products Aftermarket is engineered to meet the exact specifications required by Hyundai and Mitsubishi vehicles such as the Elantra, Sonata, Excel, and Precis. Featuring a heated sensor element, it provides quicker warm-up times compared to unheated sensors, improving emissions control during cold starts. The 4-wire design includes a radiused polygon male connector, ensuring a secure and reliable electrical connection. With a wiring harness length of 13.31 inches and 20 gauge wire, this sensor is designed for durability and consistent signal transmission. The threaded mounting type with an 18.0 mm diameter allows for straightforward installation and a secure fit within the exhaust system.
Walker Products Aftermarket Line
The Walker Products Aftermarket line focuses on delivering emission control components that meet or exceed OEM standards. This oxygen sensor is part of that line, providing a direct replacement solution tailored to specific vehicle models. The product line emphasizes compatibility and quality, ensuring that parts like the 350-34184 oxygen sensor integrate seamlessly with the vehicle’s existing systems.
Common Applications and Issues Addressed
- Restores accurate air-fuel ratio readings for engine control
- Helps reduce harmful emissions and maintain compliance with regulations
- Resolves engine performance issues such as rough idling or hesitation
- Prevents check engine light triggers related to oxygen sensor faults
- Improves fuel efficiency by providing precise sensor data
Installation Notes and Tips
When installing the Walker 350-34184 oxygen sensor, ensure the vehicle is cool to avoid burns. Use the correct socket size for the 18.0 mm threaded sensor to prevent damage. Verify the connector’s radiused polygon male shape matches the vehicle harness for a secure connection. Avoid twisting or stretching the 13.31-inch wiring harness during installation to maintain wire integrity. It is recommended to clear any diagnostic trouble codes after installation to reset the engine control module.
Quality Assurance and Warranty
Walker Products Aftermarket oxygen sensors are manufactured to meet stringent quality standards. While specific warranty details for part number 350-34184 should be confirmed with the supplier, Walker typically offers coverage against defects in materials and workmanship. This ensures reliable performance and durability for Hyundai Elantra, Sonata, Mitsubishi Excel, and Precis vehicles equipped with this sensor.
| Brand | Walker |
| Part Number | 350-34184 |
| Position | Walker Products Aftermarket, Downstream |
| Connector Gender | Male |
| Connector Shape | Radiused Polygon |
| Mounting Type | Threaded |
| Overall Length | 16.85 |
| Sensor Type | Heated |
| Thread Diameter | 18.0 |
| Universal Or Specific Fit | Specific |
| Wire Gauge Measurement | 20 |
| Wire Quantity | 4 |
| Wiring Harness Length | 13.31 |
This part fits 58 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2001 | Hyundai | Sonata | 2.4L | L4 | GAS | Downstream | Downstream oxygen sensor for B1S2, not for vehicles in California.; Walker Products Aftermarket |
| 2001 | Hyundai | Sonata | 2.4L | L4 | GAS | Downstream | Downstream Bank 1 Sensor 2 for Non-Calif-ESV vehicles.; Walker Products Aftermarket |
| 2001 | Hyundai | Sonata | 2.4L | L4 | GAS | Downstream | Downstream oxygen sensor for second bank, sensor 1, non-California emissions.; Walker Products Aftermarket |
| 2000 | Hyundai | Sonata | 2.4L | L4 | GAS | Downstream | Downstream oxygen sensor for B1S2, not for vehicles in California.; Walker Products Aftermarket |
| 2000 | Hyundai | Sonata | 2.4L | L4 | GAS | Downstream | Downstream Bank 1 Sensor 2 for Non-Calif-ESV vehicles.; Walker Products Aftermarket |
| 2000 | Hyundai | Sonata | 2.4L | L4 | GAS | Downstream | Downstream oxygen sensor for second bank, sensor 1, non-California emissions.; Walker Products Aftermarket |
| 1999 | Hyundai | Sonata | 2.4L | L4 | GAS | Downstream | Downstream oxygen sensor for B1S2, not for vehicles in California.; Walker Products Aftermarket |
| 1999 | Hyundai | Sonata | 2.4L | L4 | GAS | Downstream | Downstream Bank 1 Sensor 2 for Non-Calif-ESV vehicles.; Walker Products Aftermarket |
| 1999 | Hyundai | Sonata | 2.4L | L4 | GAS | Downstream | Downstream oxygen sensor for second bank, sensor 1, non-California emissions.; Walker Products Aftermarket |
| 1998 | Hyundai | Sonata | 3.0L | V6 | GAS | Downstream | Downstream oxygen sensor for vehicle installation.; Walker Products Aftermarket |
| 1998 | Hyundai | Sonata | 2.0L | L4 | GAS | Downstream | Downstream oxygen sensor for B1S2, not for vehicles in California.; Walker Products Aftermarket |
| 1998 | Hyundai | Sonata | 2.0L | L4 | GAS | Downstream | Downstream Bank 1 Sensor 2 for Non-Calif-ESV vehicles.; Walker Products Aftermarket |
| 1998 | Hyundai | Sonata | 2.0L | L4 | GAS | Downstream | Downstream oxygen sensor for second bank, sensor 1, non-California emissions.; Walker Products Aftermarket |
| 1997 | Hyundai | Sonata | 3.0L | V6 | GAS | Downstream | Downstream oxygen sensor for vehicle installation.; Walker Products Aftermarket |
| 1997 | Hyundai | Sonata | 2.0L | L4 | GAS | Downstream | Downstream oxygen sensor for B1S2, not for vehicles in California.; Walker Products Aftermarket |
| 1997 | Hyundai | Sonata | 2.0L | L4 | GAS | Downstream | Downstream Bank 1 Sensor 2 for Non-Calif-ESV vehicles.; Walker Products Aftermarket |
| 1997 | Hyundai | Sonata | 2.0L | L4 | GAS | Downstream | Downstream oxygen sensor for second bank, sensor 1, non-California emissions.; Walker Products Aftermarket |
| 1996 | Hyundai | Sonata | 3.0L | V6 | GAS | Downstream | Downstream oxygen sensor for vehicle installation.; Walker Products Aftermarket |
| 1996 | Hyundai | Sonata | 2.0L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket |
| 1995 | Hyundai | Elantra | 1.8L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket |
| 1995 | Hyundai | Elantra | 1.6L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket |
| 1995 | Hyundai | Sonata | 3.0L | V6 | GAS | Downstream | Oxygen Sensor for California vehicles with ESV regulations.; Walker Products Aftermarket |
| 1995 | Hyundai | Sonata | 2.0L | L4 | GAS | Downstream | Downstream oxygen sensor for B1S2 position in California emissions.; Walker Products Aftermarket |
| 1995 | Hyundai | Sonata | 2.0L | L4 | GAS | Downstream | Downstream oxygen sensor compatible with California-ESV vehicles in bank 1 position 2.; Walker Products Aftermarket |
| 1994 | Hyundai | Elantra | 1.8L | L4 | GAS | Downstream | Downstream oxygen sensor for B1S2 position in California emissions.; Walker Products Aftermarket |
| 1994 | Hyundai | Elantra | 1.6L | L4 | GAS | Downstream | Downstream oxygen sensor for B1S2 position in California emissions.; Walker Products Aftermarket |
| 1994 | Hyundai | Elantra | 1.8L | L4 | GAS | Downstream | Downstream oxygen sensor compatible with California-ESV vehicles in bank 1 position 2.; Walker Products Aftermarket |
| 1994 | Hyundai | Elantra | 1.6L | L4 | GAS | Downstream | Downstream oxygen sensor compatible with California-ESV vehicles in bank 1 position 2.; Walker Products Aftermarket |
| 1994 | Hyundai | Excel | 1.5L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket |
| 1994 | Hyundai | Sonata | 3.0L | V6 | GAS | Downstream | Oxygen Sensor for California vehicles with ESV regulations.; Walker Products Aftermarket |
| 1994 | Hyundai | Sonata | 2.0L | L4 | GAS | Downstream | Downstream oxygen sensor for B1S2 position in California emissions.; Walker Products Aftermarket |
| 1994 | Hyundai | Sonata | 2.0L | L4 | GAS | Downstream | Downstream oxygen sensor compatible with California-ESV vehicles in bank 1 position 2.; Walker Products Aftermarket |
| 1994 | Mitsubishi | Precis | 1.5L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket |
| 1993 | Hyundai | Elantra | 1.8L | L4 | GAS | Downstream | Calif-ESV , From 7/1/93; B1S2; Calif-ESV, De 7/1/93; Downstream; Walker Products Aftermarket |
| 1993 | Hyundai | Elantra | 1.6L | L4 | GAS | Downstream | Calif-ESV , From 7/1/93; B1S2; Calif-ESV, De 7/1/93; Downstream; Walker Products Aftermarket |
| 1993 | Hyundai | Elantra | 1.8L | L4 | GAS | Downstream | Calif-ESV , From 7/1/93; Calif-ESV, De 7/1/93; Downstream; B1S2; Walker Products Aftermarket |
| 1993 | Hyundai | Elantra | 1.6L | L4 | GAS | Downstream | Calif-ESV , From 7/1/93; Calif-ESV, De 7/1/93; Downstream; B1S2; Walker Products Aftermarket |
| 1993 | Hyundai | Elantra | 1.8L | L4 | GAS | Downstream | Calif-ESV , From 7/1/93; B1S2; Downstream; Walker Products Aftermarket |
| 1993 | Hyundai | Elantra | 1.6L | L4 | GAS | Downstream | Calif-ESV , From 7/1/93; B1S2; Downstream; Walker Products Aftermarket |
| 1993 | Hyundai | Excel | 1.5L | L4 | GAS | Downstream | Non Calif-ESV , To 07/16/93; B1S2; No Calif-ESV, al 07/16/93; Downstream; Walker Products Aftermarket |
| 1993 | Hyundai | Excel | 1.5L | L4 | GAS | Downstream | Downstream oxygen sensor for B1S2 position in California emissions.; Walker Products Aftermarket |
| 1993 | Hyundai | Excel | 1.5L | L4 | GAS | Downstream | Non Calif-ESV , From 07/16/93; B1S2; No Calif-ESV, De 07/16/93; Downstream; Walker Products Aftermarket |
| 1993 | Hyundai | Excel | 1.5L | L4 | GAS | Downstream | Non-Calif-ESV To 07/16/93 No Calif-ESV Up to 07/16/93 Downstream B1S2; Walker Products Aftermarket |
| 1993 | Hyundai | Excel | 1.5L | L4 | GAS | Downstream | Downstream oxygen sensor compatible with California-ESV vehicles in bank 1 position 2.; Walker Products Aftermarket |
| 1993 | Hyundai | Excel | 1.5L | L4 | GAS | Downstream | Non Calif-ESV , From 07/16/93; No Calif-ESV, De 07/16/93; Downstream; B1S2; Walker Products Aftermarket |
| 1993 | Hyundai | Excel | 1.5L | L4 | GAS | Downstream | Non Calif-ESV , To 07/16/93; B1S2; Downstream; Walker Products Aftermarket |
| 1993 | Hyundai | Excel | 1.5L | L4 | GAS | Downstream | Non Calif-ESV , From 07/16/93; B1S2; Downstream; Walker Products Aftermarket |
| 1993 | Mitsubishi | Precis | 1.5L | L4 | GAS | Downstream | Downstream oxygen sensor for B1S2 position in California emissions.; Walker Products Aftermarket |
| 1993 | Mitsubishi | Precis | 1.5L | L4 | GAS | Downstream | Downstream oxygen sensor compatible with California-ESV vehicles in bank 1 position 2.; Walker Products Aftermarket |
| 1992 | Hyundai | Excel | 1.5L | L4 | GAS | Downstream | Calif-ESV , From 7/1/92; B1S2; Calif-ESV, De 07/01/92; Downstream; Walker Products Aftermarket |
| 1992 | Hyundai | Excel | 1.5L | L4 | GAS | Downstream | Downstream oxygen sensor for B1S2, not for vehicles in California.; Walker Products Aftermarket |
| 1992 | Hyundai | Excel | 1.5L | L4 | GAS | Downstream | Calif-ESV , To 7/1/92; B1S2; Calif-ESV, al 07/01/92; Downstream; Walker Products Aftermarket |
| 1992 | Hyundai | Excel | 1.5L | L4 | GAS | Downstream | Calif-ESV , From 7/1/92; Calif-ESV, De 07/01/92; Downstream; B1S2; Walker Products Aftermarket |
| 1992 | Hyundai | Excel | 1.5L | L4 | GAS | Downstream | Downstream Bank 1 Sensor 2 for Non-Calif-ESV vehicles.; Walker Products Aftermarket |
| 1992 | Hyundai | Excel | 1.5L | L4 | GAS | Downstream | Calif-ESV , To 7/1/92; Calif-ESV, al 07/01/92; Downstream; B1S2; Walker Products Aftermarket |
| 1992 | Hyundai | Excel | 1.5L | L4 | GAS | Downstream | Calif-ESV , From 7/1/92; B1S2; Downstream; Walker Products Aftermarket |
| 1992 | Hyundai | Excel | 1.5L | L4 | GAS | Downstream | Downstream oxygen sensor for second bank, sensor 1, non-California emissions.; Walker Products Aftermarket |
| 1992 | Hyundai | Excel | 1.5L | L4 | GAS | Downstream | Calif-ESV , To 7/1/92; B1S2; Downstream; 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.