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Walker 350-34403 Oxygen Sensor - Downstream or Upstream
Overview of Walker 350-34403 Oxygen Sensor
The Walker 350-34403 oxygen sensor is designed specifically for Acura and Honda vehicles, including the Accord, EL, and Prelude models. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by monitoring exhaust gases effectively.
- Heated sensor type for faster response times
- Specific fit for Acura and Honda Accord, EL, and Prelude
- 16.26-inch wiring harness length with 20-gauge wire
- Four-wire configuration with radiused polygon female connector
- Threaded mounting type with 18.0 mm thread diameter
- Overall length of 19.8 inches for precise installation
Detailed Product Description
This oxygen sensor from Walker Products Aftermarket is engineered to meet the exact specifications required by Acura and Honda vehicles such as the Accord, EL, and Prelude. The sensor features a heated element that allows it to reach operating temperature quickly, improving fuel efficiency and reducing emissions. The 16.26-inch wiring harness with 20-gauge wires and a four-wire setup ensures reliable electrical connections and signal transmission. The radiused polygon female connector provides a secure fit, while the threaded mounting type with an 18.0 mm diameter allows for straightforward installation. The overall length of 19.8 inches accommodates proper placement 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, offering a direct replacement solution tailored for specific Acura and Honda models. The product line emphasizes compatibility and durability, ensuring that each sensor integrates seamlessly with the vehicle’s existing systems.
Common Applications and Issues Addressed
- Restores accurate air-fuel ratio readings for engine control units
- Helps resolve rough idling and engine hesitation
- Reduces increased emissions and failed emissions tests
- Prevents poor fuel economy caused by faulty sensors
- Eliminates check engine light triggers related to oxygen sensor faults
Installation Notes and Tips
- Ensure the vehicle is cool before sensor removal to avoid burns
- Use appropriate oxygen sensor socket for threaded installation
- Verify connector type matches the vehicle harness (radiused polygon female)
- Do not over-tighten the sensor; follow torque specifications
- Inspect wiring harness for damage before installation
Quality Assurance and Warranty
Walker Products Aftermarket oxygen sensors are manufactured to meet strict quality standards, ensuring reliable performance and durability. The 350-34403 part number undergoes rigorous testing to comply with emission control requirements. Warranty coverage details should be confirmed with the product documentation or supplier.
| Brand | Walker |
|---|---|
| Part Number | 350-34403 |
| Position | Walker Products Aftermarket, Downstream |
| Connector Gender | Female |
| Connector Shape | Radiused Polygon |
| Mounting Type | Threaded |
| Overall Length | 19.8 |
| Sensor Type | Heated |
| Thread Diameter | 18.0 |
| Universal Or Specific Fit | Specific |
| Wire Gauge Measurement | 20 |
| Wire Quantity | 4 |
| Wiring Harness Length | 16.26 |
This part fits 13 vehicles. Search below:
| Year | Make | Model | Submodel | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|---|
| 2003 | Acura | EL | Base | 1.7L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket |
| 1993 | Honda | Accord | 2.2L | L4 | GAS | Upstream | Bank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products Aftermarket | |
| 1993 | Honda | Accord | 2.2L | L4 | GAS | Upstream | Front oxygen sensor compatible with various vehicle models.; Walker Products Aftermarket | |
| 1993 | Honda | Prelude | S | 2.2L | L4 | GAS | Upstream | Bank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products Aftermarket |
| 1993 | Honda | Prelude | S | 2.2L | L4 | GAS | Upstream | Front oxygen sensor compatible with various vehicle models.; Walker Products Aftermarket |
| 1992 | Honda | Accord | 2.2L | L4 | GAS | Upstream | Bank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products Aftermarket | |
| 1992 | Honda | Accord | 2.2L | L4 | GAS | Upstream | Front oxygen sensor compatible with various vehicle models.; Walker Products Aftermarket | |
| 1992 | Honda | Prelude | S | 2.2L | L4 | GAS | Upstream | Bank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products Aftermarket |
| 1992 | Honda | Prelude | S | 2.2L | L4 | GAS | Upstream | Front oxygen sensor compatible with various vehicle models.; Walker Products Aftermarket |
| 1991 | Honda | Accord | 2.2L | L4 | GAS | Upstream | Bank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products Aftermarket | |
| 1991 | Honda | Accord | 2.2L | L4 | GAS | Upstream | Front oxygen sensor compatible with various vehicle models.; Walker Products Aftermarket | |
| 1990 | Honda | Accord | 2.2L | L4 | GAS | Upstream | Bank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products Aftermarket | |
| 1990 | Honda | Accord | 2.2L | L4 | GAS | Upstream | Front oxygen sensor compatible with various vehicle models.; 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.