Walker 250-23075 Oxygen Sensor - Upstream

Reliable Oxygen Sensor for Mercury and Nissan Vehicles

The Walker Products OE 250-23075 oxygen sensor is designed specifically for select Mercury and Nissan models, including the 240SX, 300ZX, Altima, Maxima, Pickup, Quest, and Villager. This heated oxygen sensor ensures accurate emissions control and optimal engine performance.

• Heated sensor type for faster response times
• Specific fit for Mercury and Nissan vehicles
• Threaded mounting type with 18.0 mm thread diameter
• 8.39-inch wiring harness length with 3 wires of 20 gauge
• Radiused polygon male connector for secure connection
• Overall length of 11.93 inches for proper installation

Walker Products OE Line Overview

The Walker Products OE line focuses on delivering emission control components that meet original equipment specifications. The 250-23075 oxygen sensor is engineered to match factory standards, providing reliable performance and compatibility with specific vehicle models. This product line emphasizes precision fitment and durability to support emission system efficiency.

Detailed Product Description

This oxygen sensor features a heated design that allows it to reach operating temperature quickly, improving fuel mixture adjustments and reducing emissions. The sensor includes a radiused polygon male connector with three 20-gauge wires, ensuring a secure and stable electrical connection. Its threaded mounting type with an 18.0 mm diameter allows for straightforward installation in the exhaust system. The wiring harness length of 8.39 inches and overall length of 11.93 inches are tailored to fit the specified Mercury and Nissan models accurately.

Common Applications and Issues Addressed

• Helps maintain proper air-fuel ratio for efficient combustion
• Reduces engine misfires caused by faulty oxygen sensors
• Prevents increased emissions and failed emissions tests
• Improves fuel economy by providing accurate sensor data
• Resolves check engine light triggers related to oxygen sensor faults

Installation Notes and Tips

Ensure the vehicle is cool before beginning installation to avoid burns. Use the correct tools to remove the old sensor and install the Walker 250-23075 sensor by threading it securely into place. Connect the radiused polygon male connector firmly to avoid electrical issues. Verify wiring harness routing to prevent damage from heat or moving parts.

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet or exceed OEM standards. This part undergoes rigorous testing to ensure durability and reliable performance in emission control systems. Warranty coverage details should be confirmed with the supplier or manufacturer.