Walker 250-25159 Oxygen Sensor - Upstream

Overview of Walker OE Base Sensor 250-25159

The Walker OE Base Sensor 250-25159 is a heated wide-band oxygen sensor designed specifically for Nissan Frontier and Suzuki Equator models. This oxygen sensor ensures accurate air-fuel mixture readings to optimize engine performance and emissions control.

• Heated wide-band oxygen sensor for precise measurement
• Specific fit for Nissan Frontier and Suzuki Equator
• 5-wire design with spade terminal type
• Rectangle-shaped female connector with 6 male terminals
• Thread size M18 - 1.5 and wrench size 22mm for installation

Detailed Product Features and Specifications

This Walker oxygen sensor features a heated element to provide faster sensor response times and improved fuel efficiency. The wide-band sensor type allows for a broader range of air-fuel ratio detection compared to narrow-band sensors, making it suitable for modern engine management systems. The sensor includes a 5-wire configuration with spade terminals, ensuring reliable electrical connections. Its female rectangular connector with six male terminals matches the original equipment specifications for a direct replacement.

The thread size of M18 - 1.5 and a wrench size of 22mm facilitate straightforward installation using standard tools. This oxygen sensor is a specific fit for Nissan Frontier and Suzuki Equator vehicles, ensuring compatibility and optimal performance.

About the Walker OE Base Sensor Product Line

The OE Base Sensor line by Walker is engineered to meet original equipment standards for emission control sensors. This product line focuses on delivering precise sensor performance and durability, making it suitable for direct replacement applications. The 250-25159 oxygen sensor is part of this line, providing a reliable solution for maintaining proper engine emissions and fuel management in Nissan and Suzuki vehicles.

Common Applications and Issues Addressed

• Restores accurate oxygen sensing for proper air-fuel mixture control
• Helps resolve rough idling and engine hesitation caused by faulty sensors
• Reduces increased emissions and failed emissions tests
• Improves fuel economy by ensuring correct sensor feedback
• Eliminates check engine light codes related to oxygen sensor faults

Installation Notes and Tips

When installing the Walker OE Base Sensor 250-25159, ensure the vehicle is cool to avoid burns. Use a 22mm wrench to remove the old sensor and install the new one with the M18 - 1.5 thread size. Confirm the connector shape and terminal configuration match the original sensor to guarantee proper fitment. Avoid over-tightening to prevent damage to the sensor or exhaust manifold.

Quality Assurance and Warranty

Walker OE Base Sensors are manufactured to meet strict quality standards for emission control components. While specific warranty details are not provided here, Walker products typically undergo rigorous testing to ensure durability and reliable performance in Nissan Frontier and Suzuki Equator vehicles.