Walker 250-25105 Oxygen Sensor - Upstream Left or Upstream Right

Overview of Walker Products OE Oxygen Sensor 250-25105

The Walker Products OE Oxygen Sensor 250-25105 is designed specifically for select INFINITI models, including the M56, Q70, Q70L, QX56, and QX80. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by monitoring exhaust gases effectively.

• Heated sensor type for faster response times
• Specific fit for INFINITI M56, Q70, Q70L, QX56, and QX80
• 16.26-inch wiring harness length for precise installation
• 20-gauge wire with 5-wire configuration
• Radiused polygon male connector for secure connection
• Threaded mounting type with 18.0 mm thread diameter
• Overall length of 19.8 inches for proper fitment

Detailed Product Description

This oxygen sensor from Walker Products OE is engineered to meet the exact specifications required by INFINITI vehicles such as the M56, Q70, Q70L, QX56, and QX80. Featuring a heated sensor element, it provides quicker warm-up times, which helps the engine control module maintain optimal air-fuel ratios. The 5-wire design and 20-gauge wiring ensure reliable signal transmission, while the 16.26-inch wiring harness length allows for proper routing and connection. The radiused polygon male connector and threaded mounting type with an 18.0 mm thread diameter guarantee a secure and precise fit, reducing the risk of leaks or sensor failure.

Walker Products OE Brand Line Information

Walker Products OE focuses on delivering emission control components that meet or exceed original equipment standards. This oxygen sensor is part of the Walker Products OE line, which emphasizes exact fitment and reliable performance for specific vehicle applications. By adhering to OE specifications, this sensor supports proper engine management and emissions compliance for INFINITI models.

Common Applications and Issues Addressed

• Restores accurate oxygen sensing for improved fuel efficiency
• Resolves check engine light triggers related to oxygen sensor faults
• Helps reduce harmful emissions by maintaining correct air-fuel mixture
• Prevents rough idling and engine hesitation caused by faulty sensors
• Supports proper catalytic converter function by providing accurate data

Installation Notes and Tips

• Ensure compatibility with INFINITI M56, Q70, Q70L, QX56, or QX80 before installation
• Use appropriate tools for threaded mounting to avoid damage to sensor or exhaust manifold
• Check wiring harness length and connector type for proper fit and secure connection
• Follow vehicle manufacturer torque specifications when installing the sensor
• Inspect surrounding components for damage or corrosion during replacement

Quality Assurance and Warranty

The Walker Products OE oxygen sensor 250-25105 is manufactured to meet stringent quality standards, ensuring durability and reliable performance. While specific warranty details may vary, Walker typically offers coverage against defects in materials and workmanship. This sensor is designed to provide consistent operation within the emission control system of compatible INFINITI vehicles.