Walker 250-25165 Oxygen Sensor - Upstream or Upstream Right

Overview of Walker OE Base Sensor 250-25165

The Walker OE Base Sensor 250-25165 is a heated wide-band oxygen sensor designed for specific fitment on Dodge, Ford, and Ram vehicles, including models like the Ram 2500, Ram 3500, and Ford Mustang. This sensor ensures accurate air-fuel mixture readings to support optimal engine performance and emissions control.

• Heated wide-band oxygen sensor for precise emissions monitoring
• Specific fitment for Dodge, Ford, and Ram 2500, 3500, and Mustang models
• Spade terminal type with 6 male terminals and 5 wires
• Oblong female connector for secure electrical connection
• Thread size M18 - 1.5 with 22mm wrench size for installation

Detailed Product Features and Specifications

This Walker oxygen sensor features a heated design to reduce warm-up time and improve sensor responsiveness under various operating conditions. The wide-band sensor type provides a broader measurement range of oxygen levels in the exhaust, enabling more accurate feedback to the engine control unit (ECU). The sensor includes a spade terminal type with six male terminals and five wires, ensuring reliable electrical connectivity. Its oblong female connector shape is designed for a secure and specific fit, preventing loose connections. The thread size is M18 - 1.5, compatible with the specified vehicle models, and requires a 22mm wrench for proper installation.

About the Walker OE Base Sensor Product Line

The OE Base Sensor line by Walker focuses on delivering oxygen sensors that meet original equipment specifications for fit, form, and function. This product line is engineered to provide precise emissions control and reliable sensor performance, making it suitable for direct replacement in specific Dodge, Ford, and Ram vehicles. The 250-25165 part number is part of this line, ensuring compatibility and quality consistent with factory standards.

Common Applications and Issues Addressed

• Restores accurate air-fuel ratio readings for improved engine efficiency
• Helps resolve check engine light triggers related to oxygen sensor faults
• Reduces emissions by providing precise exhaust gas data to the ECU
• Improves fuel economy by enabling proper combustion adjustments
• Prevents rough idling and engine performance issues caused by faulty sensors

Installation Notes and Tips

When installing the Walker OE Base Sensor 250-25165, ensure the vehicle is compatible with the specified fitment for Dodge, Ford, and Ram 2500, 3500, and Mustang models. Use a 22mm wrench to remove and install the sensor securely. Verify the oblong female connector mates properly with the vehicle’s wiring harness to avoid electrical issues. It is recommended to handle the sensor carefully to prevent damage to the heated element and wiring.

Quality Assurance and Warranty

Walker OE Base Sensors are manufactured to meet or exceed OEM standards for durability and performance. While specific warranty details are not provided here, Walker products typically come with a limited warranty covering defects in materials and workmanship. Using this sensor helps maintain compliance with emissions regulations and supports long-term vehicle reliability.