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Walker 350-34291 Oxygen Sensor - Upstream
Overview of Walker 350-34291 Oxygen Sensor
The Walker 350-34291 oxygen sensor is designed specifically for Chrysler and Dodge vehicles, including Caravan, Grand Caravan, Grand Voyager, Town & Country, and Voyager models. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by monitoring exhaust gases effectively.
- Heated oxygen sensor with 4 wires for precise signal transmission
- Specific fit for select Chrysler and Dodge minivans
- 12.72-inch wiring harness length for flexible installation
- Threaded mounting type with 18.0 mm thread diameter
- Radiused polygon female connector for secure connection
- Overall length of 16.26 inches for proper fitment
- 20 gauge wire for durability and reliable electrical flow
Detailed Product Description
This Walker Products Aftermarket oxygen sensor (part number 350-34291) is engineered to meet the exact specifications of your Chrysler or Dodge minivan. The heated sensor type allows for faster warm-up times, improving fuel efficiency and reducing emissions shortly after engine start. Featuring a 4-wire design, this sensor provides accurate oxygen level readings to the vehicle’s engine control unit (ECU). The 12.72-inch wiring harness length and radiused polygon female connector ensure a secure and proper fit, while the threaded mounting type with an 18.0 mm diameter allows for straightforward installation. The 20 gauge wire measurement supports consistent electrical conductivity, contributing to sensor reliability and longevity.
Compatible Vehicles and Applications
- Chrysler Caravan
- Chrysler Grand Caravan
- Dodge Grand Voyager
- Chrysler Town & Country
- Dodge Voyager
This oxygen sensor is designed for specific fitment on these models, ensuring compatibility and optimal performance.
Common Issues Addressed by This Oxygen Sensor
- Check engine light triggered by faulty oxygen sensor readings
- Poor fuel economy due to incorrect air-fuel mixture
- Increased emissions failing vehicle inspections
- Engine hesitation or rough idling caused by sensor malfunction
- Reduced engine performance and drivability problems
Installation Notes and Tips
When installing the Walker 350-34291 oxygen sensor, ensure the engine is cool to avoid burns. Use the correct tools to remove the old sensor and avoid damaging the threaded mounting hole. Verify the connector type matches the vehicle harness before installation. The 12.72-inch wiring harness length provides flexibility, but routing should avoid heat sources and moving parts. After installation, clear any diagnostic trouble codes and perform a test drive to confirm proper sensor operation.
Quality Assurance and Warranty
Walker Products Aftermarket parts are manufactured to meet or exceed OEM standards. The 350-34291 oxygen sensor undergoes rigorous testing to ensure durability and accurate performance. While specific warranty details may vary, Walker typically offers coverage against defects in materials and workmanship, providing confidence in the sensor’s reliability for your Chrysler or Dodge vehicle.
| Brand | Walker |
|---|---|
| Part Number | 350-34291 |
| Position | Walker Products Aftermarket, Upstream |
| Connector Gender | Female |
| Connector Shape | Radiused Polygon |
| Mounting Type | Threaded |
| Overall Length | 16.26 |
| Sensor Type | Heated |
| Thread Diameter | 18.0 |
| Universal Or Specific Fit | Specific |
| Wire Gauge Measurement | 20 |
| Wire Quantity | 4 |
| Wiring Harness Length | 12.72 |
This part fits 32 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2003 | Chrysler | Town & Country | 3.8L | V6 | GAS | Upstream | Install upstream oxygen sensor for optimal performance.; Walker Products Aftermarket |
| 2003 | Chrysler | Town & Country | 3.3L | V6 | GAS | Upstream | Install upstream oxygen sensor for optimal performance.; Walker Products Aftermarket |
| 2003 | Chrysler | Town & Country | 3.3L | V6 | FLEX | Upstream | Install upstream oxygen sensor for optimal performance.; Walker Products Aftermarket |
| 2003 | Chrysler | Voyager | 3.3L | V6 | GAS | Upstream | Install upstream oxygen sensor for optimal performance.; Walker Products Aftermarket |
| 2003 | Chrysler | Voyager | 3.3L | V6 | FLEX | Upstream | Install upstream oxygen sensor for optimal performance.; Walker Products Aftermarket |
| 2003 | Dodge | Caravan | 3.3L | V6 | GAS | Upstream | Install upstream oxygen sensor for optimal performance.; Walker Products Aftermarket |
| 2003 | Dodge | Caravan | 3.3L | V6 | FLEX | Upstream | Install upstream oxygen sensor for optimal performance.; Walker Products Aftermarket |
| 2003 | Dodge | Grand Caravan | 3.8L | V6 | GAS | Upstream | Install upstream oxygen sensor for optimal performance.; Walker Products Aftermarket |
| 2003 | Dodge | Grand Caravan | 3.3L | V6 | GAS | Upstream | Install upstream oxygen sensor for optimal performance.; Walker Products Aftermarket |
| 2003 | Dodge | Grand Caravan | 3.3L | V6 | FLEX | Upstream | Install upstream oxygen sensor for optimal performance.; Walker Products Aftermarket |
| 2002 | Chrysler | Grand Voyager | 3.8L | V6 | GAS | Upstream | Install upstream oxygen sensor for optimal performance.; Walker Products Aftermarket |
| 2002 | Chrysler | Town & Country | 3.8L | V6 | GAS | Upstream | Install upstream oxygen sensor for optimal performance.; Walker Products Aftermarket |
| 2002 | Chrysler | Town & Country | 3.3L | V6 | GAS | Upstream | Install upstream oxygen sensor for optimal performance.; Walker Products Aftermarket |
| 2002 | Chrysler | Town & Country | 3.3L | V6 | FLEX | Upstream | Install upstream oxygen sensor for optimal performance.; Walker Products Aftermarket |
| 2002 | Chrysler | Voyager | 3.3L | V6 | GAS | Upstream | Install upstream oxygen sensor for optimal performance.; Walker Products Aftermarket |
| 2002 | Chrysler | Voyager | 3.3L | V6 | FLEX | Upstream | Install upstream oxygen sensor for optimal performance.; Walker Products Aftermarket |
| 2002 | Dodge | Caravan | 3.3L | V6 | GAS | Upstream | Install upstream oxygen sensor for optimal performance.; Walker Products Aftermarket |
| 2002 | Dodge | Caravan | 3.3L | V6 | FLEX | Upstream | Install upstream oxygen sensor for optimal performance.; Walker Products Aftermarket |
| 2002 | Dodge | Grand Caravan | 3.8L | V6 | GAS | Upstream | Install upstream oxygen sensor for optimal performance.; Walker Products Aftermarket |
| 2002 | Dodge | Grand Caravan | 3.3L | V6 | GAS | Upstream | Install upstream oxygen sensor for optimal performance.; Walker Products Aftermarket |
| 2002 | Dodge | Grand Caravan | 3.3L | V6 | FLEX | Upstream | Install upstream oxygen sensor for optimal performance.; Walker Products Aftermarket |
| 2001 | Chrysler | Grand Voyager | 3.8L | V6 | GAS | Upstream | Install upstream oxygen sensor for optimal performance.; Walker Products Aftermarket |
| 2001 | Chrysler | Town & Country | 3.8L | V6 | GAS | Upstream | Install upstream oxygen sensor for optimal performance.; Walker Products Aftermarket |
| 2001 | Chrysler | Town & Country | 3.3L | V6 | GAS | Upstream | Install upstream oxygen sensor for optimal performance.; Walker Products Aftermarket |
| 2001 | Chrysler | Town & Country | 3.3L | V6 | FLEX | Upstream | Install upstream oxygen sensor for optimal performance.; Walker Products Aftermarket |
| 2001 | Chrysler | Voyager | 3.3L | V6 | GAS | Upstream | Install upstream oxygen sensor for optimal performance.; Walker Products Aftermarket |
| 2001 | Chrysler | Voyager | 3.3L | V6 | FLEX | Upstream | Install upstream oxygen sensor for optimal performance.; Walker Products Aftermarket |
| 2001 | Dodge | Caravan | 3.3L | V6 | GAS | Upstream | Install upstream oxygen sensor for optimal performance.; Walker Products Aftermarket |
| 2001 | Dodge | Caravan | 3.3L | V6 | FLEX | Upstream | Install upstream oxygen sensor for optimal performance.; Walker Products Aftermarket |
| 2001 | Dodge | Grand Caravan | 3.8L | V6 | GAS | Upstream | Install upstream oxygen sensor for optimal performance.; Walker Products Aftermarket |
| 2001 | Dodge | Grand Caravan | 3.3L | V6 | GAS | Upstream | Install upstream oxygen sensor for optimal performance.; Walker Products Aftermarket |
| 2001 | Dodge | Grand Caravan | 3.3L | V6 | FLEX | Upstream | Install upstream oxygen sensor for optimal performance.; 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.