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Walker 250-24158 Oxygen Sensor - Upstream
Overview of Walker 250-24158 Oxygen Sensor for Toyota Celica
The Walker 250-24158 oxygen sensor is designed specifically for Toyota Celica models, ensuring precise emission control and optimal engine performance. This heated oxygen sensor features a flange mount and a radiused polygon male connector for secure installation.
- Wiring harness length: 10.35 inches
- Wire gauge measurement: 20 gauge
- Heated sensor type for faster response
- Specific fit for Toyota Celica
- Four-wire configuration
- Radiused polygon male connector shape
- Thread diameter: 18.0 mm
- Overall length: 13.9 inches
- Flange mount for stable positioning
Detailed Product Description
This Walker Products OE oxygen sensor (part number 250-24158) is engineered to meet the exact specifications of Toyota Celica vehicles. The heated sensor design allows for quicker warm-up times, improving fuel efficiency and reducing emissions shortly after engine start. With a 10.35-inch wiring harness and 20-gauge wires, this sensor provides reliable electrical connectivity. The four-wire setup supports both the sensor signal and heater circuit, ensuring consistent operation. The radiused polygon male connector and flange mount design facilitate a secure and precise fit, minimizing installation issues and maintaining sensor stability during vehicle operation.
Walker Products OE is a product line focused on delivering original equipment quality parts that match or exceed factory standards. This oxygen sensor is part of that line, providing a direct replacement solution for emission control systems in Toyota Celica models.
Common Applications and Issues Addressed
- Restores accurate oxygen level readings for engine control units
- Helps resolve rough idling caused by faulty sensors
- Reduces increased fuel consumption due to sensor failure
- Corrects check engine light triggers related to oxygen sensor faults
- Improves emissions compliance by maintaining proper air-fuel mixture
Installation Notes and Tips
- Ensure vehicle compatibility with Toyota Celica models before installation
- Use appropriate tools to avoid damaging the 18.0 mm thread diameter
- Verify connector orientation matches the radiused polygon male connector
- Inspect wiring harness length (10.35 inches) for proper routing
- Follow manufacturer torque specifications for flange mount installation
Quality Assurance and Warranty
Walker Products OE oxygen sensors are manufactured to meet stringent quality standards, ensuring durability and reliable performance. This part number 250-24158 undergoes rigorous testing to comply with emission control requirements. Warranty coverage details should be confirmed with the point of purchase or manufacturer documentation.
| Brand | Walker |
|---|---|
| Part Number | 250-24158 |
| Position | Walker Products OE, Upstream |
| Connector Gender | Male |
| Connector Shape | Radiused Polygon |
| Mounting Type | Flange Mount |
| Overall Length | 13.9 |
| Sensor Type | Heated |
| Thread Diameter | 18.0 |
| Universal Or Specific Fit | Specific |
| Wire Gauge Measurement | 20 |
| Wire Quantity | 4 |
| Wiring Harness Length | 10.35 |
This part fits 6 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 1991 | Toyota | Celica | 1.6L | L4 | GAS | Upstream | Non California emissions certified; Bank 1 Sensor 1; Upstream position; Not suitable for California emissionscertified vehicles; Walker Products OE |
| 1991 | Toyota | Celica | 1.6L | L4 | GAS | Upstream | For vehicles without California and Federal Emissions - Upstream Bank 1 Sensor 1.; Walker Products OE |
| 1991 | Toyota | Celica | 1.6L | L4 | GAS | Upstream | Upstream oxygen sensor for bank 1 sensor 1 incompatible with California-ESV vehicles.; Walker Products OE |
| 1990 | Toyota | Celica | 1.6L | L4 | GAS | Upstream | Non California emissions certified; Bank 1 Sensor 1; Upstream position; Not suitable for California emissionscertified vehicles; Walker Products OE |
| 1990 | Toyota | Celica | 1.6L | L4 | GAS | Upstream | For vehicles without California and Federal Emissions - Upstream Bank 1 Sensor 1.; Walker Products OE |
| 1990 | Toyota | Celica | 1.6L | L4 | GAS | Upstream | Upstream oxygen sensor for bank 1 sensor 1 incompatible with California-ESV vehicles.; 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.