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Walker 350-32004 Oxygen Sensor - Downstream or Upstream
Overview of Walker 350-32004 Oxygen Sensor
The Walker 350-32004 oxygen sensor is designed specifically for select Geo and Toyota models, including the Camry, Corolla, and Prizm. This non-heated oxygen sensor features a threaded mounting type and a radiused polygon male connector, ensuring precise fitment and reliable performance.
- Wiring harness length: 9.96 inches
- Wire gauge measurement: 20 gauge
- Sensor type: Non-heated oxygen sensor
- Wire quantity: 2 wires
- Connector shape: Radiused polygon
- Connector gender: Male
- Thread diameter: 18.0 mm
- Overall length: 13.5 inches
- Mounting type: Threaded
Walker Products Aftermarket Line Details
This oxygen sensor is part of the Walker Products Aftermarket line, which focuses on providing specific-fit emission control components. Walker Products Aftermarket parts are engineered to meet or exceed OEM specifications, offering reliable sensor performance tailored to the exact requirements of your vehicle’s emission system.
Product Description and Features
The Walker 350-32004 oxygen sensor is a specific-fit, non-heated sensor designed to replace factory-installed sensors on compatible Geo and Toyota vehicles. Its 20-gauge wiring and 9.96-inch harness length provide a secure electrical connection, while the radiused polygon male connector ensures proper mating with the vehicle’s wiring harness. The threaded mounting type with an 18.0 mm thread diameter allows for straightforward installation and a secure fit. With an overall length of 13.5 inches, this sensor is engineered to fit precisely in the designated sensor port.
Compatible Vehicles and Applications
- Geo Prizm oxygen sensor replacement
- Toyota Camry oxygen sensor repair
- Toyota Corolla emission sensor upgrade
Common Issues Addressed by This Oxygen Sensor
- Incorrect air-fuel mixture readings causing poor engine performance
- Check engine light triggered by faulty oxygen sensor signals
- Increased emissions due to sensor failure
- Reduced fuel efficiency from inaccurate sensor data
- Engine hesitation or rough idling related to sensor malfunction
Installation Notes and Tips
Ensure the vehicle is cool before beginning installation to avoid burns. Use the correct tools to remove the old sensor and avoid damaging the threaded mounting hole. Verify the connector shape and gender match the vehicle’s wiring harness before installation. Tighten the sensor to the manufacturer’s torque specifications to prevent leaks or sensor damage.
Quality Assurance and Warranty
Walker Products Aftermarket oxygen sensors are manufactured to meet strict quality standards and are tested for durability and performance. The 350-32004 part number comes with a limited warranty covering defects in materials and workmanship, providing confidence in the sensor’s reliability for your Geo or Toyota vehicle.
| Brand | Walker |
|---|---|
| Part Number | 350-32004 |
| Position | Walker Products Aftermarket, Downstream |
| Connector Gender | Male |
| Connector Shape | Radiused Polygon |
| Mounting Type | Threaded |
| Overall Length | 13.5 |
| Sensor Type | Non Heated |
| Thread Diameter | 18.0 |
| Universal Or Specific Fit | Specific |
| Wire Gauge Measurement | 20 |
| Wire Quantity | 2 |
| Wiring Harness Length | 9.96 |
This part fits 11 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 1992 | Geo | Prizm | 1.6L | L4 | GAS | Downstream | Downstream oxygen sensor for B1S2 position in California emissions.; Walker Products Aftermarket |
| 1992 | Geo | Prizm | 1.6L | L4 | GAS | Downstream | Downstream oxygen sensor compatible with California-ESV vehicles in bank 1 position 2.; Walker Products Aftermarket |
| 1991 | Geo | Prizm | 1.6L | L4 | GAS | Downstream | Downstream oxygen sensor for B1S2 position in California emissions.; Walker Products Aftermarket |
| 1991 | Geo | Prizm | 1.6L | L4 | GAS | Downstream | Downstream oxygen sensor compatible with California-ESV vehicles in bank 1 position 2.; Walker Products Aftermarket |
| 1990 | Geo | Prizm | 1.6L | L4 | GAS | Downstream | Downstream oxygen sensor for B1S2 position in California emissions.; Walker Products Aftermarket |
| 1990 | Geo | Prizm | 1.6L | L4 | GAS | Downstream | Downstream oxygen sensor compatible with California-ESV vehicles in bank 1 position 2.; Walker Products Aftermarket |
| 1989 | Toyota | Camry | 2.5L | V6 | GAS | Downstream | Oxygen Sensor for California vehicles with ESV regulations.; Walker Products Aftermarket |
| 1989 | Toyota | Corolla | 1.6L | L4 | GAS | Upstream | Non California emissions certified; Bank 1 Sensor 1; Upstream position; Not suitable for California emissionscertified vehicles; Walker Products Aftermarket |
| 1989 | Toyota | Corolla | 1.6L | L4 | GAS | Upstream | For vehicles without California and Federal Emissions - Upstream Bank 1 Sensor 1.; Walker Products Aftermarket |
| 1989 | Toyota | Corolla | 1.6L | L4 | GAS | Upstream | Upstream oxygen sensor for bank 1 sensor 1 incompatible with California-ESV vehicles.; Walker Products Aftermarket |
| 1988 | Toyota | Camry | 2.5L | V6 | GAS | Downstream | Oxygen Sensor for California vehicles with ESV regulations.; 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.