Walker 250-24338 Oxygen Sensor - Downstream or Upstream

Overview of Walker Products OE Oxygen Sensor 250-24338

The Walker Products OE Oxygen Sensor 250-24338 is designed specifically for select Chevrolet, Geo, and Suzuki models. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by providing precise air-fuel mixture data to the vehicle’s engine management system.

• Heated oxygen sensor with 4-wire design for reliable operation
• Specific fit for Chevrolet, Geo, and Suzuki vehicles including Esteem, Metro, Sidekick, Swift, Tracker, Vitara, and X-90
• 19.21-inch wiring harness length with 20-gauge wire for durability
• Threaded mounting type with 18.0 mm thread diameter for secure installation
• Radiused polygon female connector for proper electrical connection
• Overall length of 22.76 inches to accommodate factory fitment requirements

Detailed Product Description

The Walker Products OE line focuses on delivering original equipment quality parts that meet or exceed OEM specifications. The 250-24338 oxygen sensor is a heated sensor featuring a 4-wire configuration, which includes two wires for the heating element and two for the sensor signal. This design allows the sensor to reach operating temperature quickly, improving emissions control and fuel efficiency. The sensor’s 19.21-inch wiring harness and 20-gauge wire ensure a robust electrical connection, while the radiused polygon female connector matches factory connectors for a seamless fit. The threaded mounting type with an 18.0 mm diameter provides a secure and leak-free installation. This sensor is engineered for specific fitment on Chevrolet, Geo, and Suzuki models such as the Esteem, Metro, Sidekick, Swift, Tracker, Vitara, and X-90, ensuring compatibility and reliable performance.

Common Applications and Issues Addressed

• Helps maintain proper air-fuel ratio for efficient combustion
• Reduces harmful emissions by providing accurate oxygen level readings
• Prevents engine performance issues related to faulty oxygen sensors
• Resolves check engine light triggers caused by sensor failure
• Improves fuel economy by enabling precise engine control adjustments

Installation Notes and Tips

• Ensure the vehicle is cool before removing the old sensor to avoid burns
• Use appropriate tools to avoid damaging the sensor or wiring harness
• Verify connector type and wiring before installation to ensure compatibility
• Apply anti-seize compound on the sensor threads if recommended by the vehicle manufacturer
• Clear any diagnostic trouble codes after installation to reset the engine control unit

Quality Assurance and Warranty

Walker Products OE parts are manufactured to meet strict quality standards, ensuring durability and reliable performance. The 250-24338 oxygen sensor undergoes rigorous testing to comply with OEM specifications. While specific warranty details may vary, Walker typically offers coverage against defects in materials and workmanship. Consult product documentation or the manufacturer for exact warranty terms.