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Walker 250-21033 Oxygen Sensor - Upstream
Overview of Walker 250-21033 Oxygen Sensor for Honda Civic
The Walker 250-21033 oxygen sensor is designed specifically for Honda Civic models, providing precise emission control monitoring. This non-heated sensor features a threaded mounting type and a radiused polygon female connector, ensuring a secure and accurate fit.
- Wiring harness length: 22.36 inches
- Wire gauge measurement: 20 gauge
- Sensor type: Non heated oxygen sensor
- Specific fit for Honda Civic
- Wire quantity: 1
- Connector shape: Radiused polygon
- Connector gender: Female
- Thread diameter: 18.0 mm
- Overall length: 25.91 inches
- Mounting type: Threaded
Walker Products OE Brand Line Details
This oxygen sensor is part of the Walker Products OE line, which focuses on delivering original equipment quality parts. The Walker Products OE line ensures that components like the 250-21033 oxygen sensor meet strict manufacturing standards for fit, form, and function, matching the specifications required by Honda Civic vehicles.
Detailed Product Description
The Walker 250-21033 oxygen sensor is engineered to provide accurate air-fuel mixture readings for Honda Civic engines. Its non-heated design and 20-gauge wiring support reliable signal transmission, while the 22.36-inch wiring harness length allows for proper routing within the engine bay. The radiused polygon female connector and 18.0 mm threaded mounting ensure a secure and precise installation. With an overall length of 25.91 inches, this sensor fits specific Honda Civic models without modification.
Common Applications and Issues Addressed
- Helps maintain optimal engine performance by monitoring oxygen levels
- Reduces harmful emissions by providing accurate feedback to the engine control unit
- Resolves check engine light triggers related to oxygen sensor faults
- Improves fuel efficiency by ensuring proper air-fuel mixture
- Prevents engine misfires caused by faulty sensor readings
Installation Notes and Tips
When installing the Walker 250-21033 oxygen sensor on a Honda Civic, ensure the threaded mounting is properly tightened to 18.0 mm specifications. Verify the radiused polygon female connector is securely connected to avoid signal interruptions. The 22.36-inch wiring harness length provides flexibility for routing, but avoid sharp bends or contact with hot engine components. Use appropriate tools to prevent damage to the sensor or wiring during installation.
Quality Assurance and Warranty
Walker Products OE oxygen sensors, including part number 250-21033, are manufactured to meet original equipment standards. This ensures reliable performance and durability under normal operating conditions. While specific warranty details may vary, Walker typically offers coverage against defects in materials and workmanship, supporting long-term use in Honda Civic vehicles.
| Brand | Walker |
| Part Number | 250-21033 |
| Position | Walker Products OE, Upstream |
| Connector Gender | Female |
| Connector Shape | Radiused Polygon |
| Mounting Type | Threaded |
| Overall Length | 25.91 |
| Sensor Type | Non Heated |
| Thread Diameter | 18.0 |
| Universal Or Specific Fit | Specific |
| Wire Gauge Measurement | 20 |
| Wire Quantity | 1 |
| Wiring Harness Length | 22.36 |
This part fits 10 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 1987 | Honda | Civic | 1.5L | L4 | GAS | Upstream | Bank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products OE |
| 1987 | Honda | Civic | 1.5L | L4 | GAS | Upstream | Front oxygen sensor compatible with various vehicle models.; Walker Products OE |
| 1986 | Honda | Civic | GAS | Upstream | Bank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products OE | ||
| 1986 | Honda | Civic | 1.5L | L4 | GAS | Upstream | Bank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products OE |
| 1986 | Honda | Civic | GAS | Upstream | Front oxygen sensor compatible with various vehicle models.; Walker Products OE | ||
| 1986 | Honda | Civic | 1.5L | L4 | GAS | Upstream | Front oxygen sensor compatible with various vehicle models.; Walker Products OE |
| 1985 | Honda | Civic | 1.5L | L4 | GAS | Upstream | Bank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products OE |
| 1985 | Honda | Civic | 1.5L | L4 | GAS | Upstream | Front oxygen sensor compatible with various vehicle models.; Walker Products OE |
| 1984 | Honda | Civic | 1.5L | L4 | GAS | Upstream | Bank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products OE |
| 1984 | Honda | Civic | 1.5L | L4 | GAS | Upstream | Front oxygen sensor compatible with various vehicle models.; Walker Products OE |
* 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.