Walker 250-24019 Oxygen Sensor - Upstream, Upstream Left or Upstream Right

Overview of Walker 250-24019 Oxygen Sensor

The Walker 250-24019 oxygen sensor is designed specifically for select Chevrolet and GMC trucks and SUVs. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by monitoring exhaust gases precisely.

• Heated sensor type for faster response times
• Specific fit for Chevrolet and GMC models including Silverado 2500 and Suburban 2500
• 12.32-inch wiring harness length with 4 wires of 20 gauge
• Threaded mounting type with 18.0 mm thread diameter
• Radiused polygon male connector for secure connection
• Overall length of 15.87 inches for proper installation

Detailed Product Description

This oxygen sensor from Walker Products OE is engineered to meet the exact specifications of your vehicle’s emission system. The 250-24019 part number corresponds to a heated oxygen sensor with a 4-wire configuration, allowing for efficient heating and accurate signal transmission. The 12.32-inch wiring harness length and 20 gauge wire ensure reliable electrical connectivity, while the radiused polygon male connector provides a secure and precise fit. The threaded mounting type with an 18.0 mm diameter allows for straightforward installation in the exhaust manifold or pipe.

Walker Products OE is a product line focused on delivering original equipment quality parts that match or exceed factory standards. This oxygen sensor is designed to maintain proper air-fuel mixture readings, which is critical for emission control and engine efficiency in Chevrolet and GMC trucks such as the C1500, K2500 Suburban, and Yukon XL 2500.

Compatible Vehicles and Applications

• Chevrolet C1500, C1500 Suburban, C2500, C2500 Suburban, C3500
• Chevrolet Express 2500, Express 3500, G30
• GMC K1500, K1500 Suburban, K2500, K2500 Suburban, K3500
• GMC P30, P3500, Savana 2500, Savana 3500
• GMC Sierra 2500, Silverado 2500, Suburban 2500, Tahoe, Yukon, Yukon XL 2500

Common Issues Addressed by This Oxygen Sensor

• Check engine light triggered by faulty oxygen sensor readings
• Poor fuel economy due to incorrect air-fuel mixture
• Increased emissions and failed emissions tests
• Engine hesitation or rough idling caused by sensor malfunction
• Reduced engine performance and drivability problems

Installation Notes and Tips

Ensure the vehicle is cool before removing the old oxygen sensor to avoid burns. Use a proper oxygen sensor socket for removal and installation to prevent damage to the sensor or wiring. Verify the connector type matches the vehicle harness—this sensor features a radiused polygon male connector. Thread the sensor carefully into the exhaust port with the specified 18.0 mm diameter to avoid cross-threading. After installation, clear any diagnostic trouble codes and verify sensor operation with a scan tool.

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet original equipment standards, ensuring reliable performance and durability. While specific warranty details may vary, Walker typically offers coverage against defects in materials and workmanship. Using this sensor helps maintain compliance with emissions regulations and supports the longevity of your vehicle’s emission control system.