Walker 250-23153 Oxygen Sensor - Upstream

Overview of Walker OE Base Sensor Oxygen Sensor

The Walker OE Base Sensor 250-23153 is a heated narrow-band oxygen sensor designed specifically for Volkswagen Golf models. This sensor ensures accurate air-fuel mixture readings to support optimal engine performance and emissions control.

• Heated oxygen sensor for faster response times
• Narrow-band sensor type for precise air-fuel ratio monitoring
• Specific fitment for Volkswagen Golf vehicles
• Three-wire design with spade terminals and female rectangular connector
• Thread size M18 x 1.5 with 22mm wrench size for installation

Detailed Product Description

The Walker OE Base Sensor line provides reliable emission control components engineered to meet original equipment specifications. The 250-23153 oxygen sensor features a heated element that allows the sensor to reach operating temperature quickly, improving fuel efficiency and reducing emissions. This narrow-band sensor type is designed to deliver accurate voltage signals to the engine control unit, enabling precise adjustments to the air-fuel mixture. The sensor includes three wires with male spade terminals and a female rectangular connector, ensuring secure electrical connections. Its specific fitment for Volkswagen Golf models guarantees compatibility and proper function. The sensor's thread size of M18 - 1.5 and 22mm wrench size facilitate straightforward installation using standard tools.

Applications and Common Issues Addressed

• Helps resolve poor fuel economy caused by incorrect air-fuel mixture
• Reduces engine hesitation and rough idling related to faulty oxygen sensors
• Assists in lowering harmful emissions to meet regulatory standards
• Prevents check engine light triggers related to oxygen sensor faults
• Supports optimal catalytic converter performance by providing accurate sensor data

Installation Notes and Tips

When installing the Walker OE Base Sensor 250-23153 on Volkswagen Golf models, ensure the engine is cool before removal to avoid injury. Use a 22mm wrench to remove the old sensor and install the new one with the specified M18 - 1.5 thread size. Confirm the three-wire connector matches the vehicle’s wiring harness, noting the female rectangular connector and male spade terminals. Proper torque should be applied to avoid sensor damage or exhaust leaks.

Quality Assurance and Warranty

Walker OE Base Sensors are manufactured to meet or exceed OEM standards for durability and performance. While specific warranty details for part number 250-23153 are not provided here, Walker products typically undergo rigorous testing to ensure reliability in emission control applications.