Walker 250-54082 Oxygen Sensor - Upstream

Overview of Walker 250-54082 Oxygen Sensor for Nissan Altima

The Walker Products OE 250-54082 oxygen sensor is designed specifically for Nissan Altima models, providing precise emission control and engine performance monitoring. This heated oxygen sensor features a threaded mounting type and a radiused polygon male connector for secure installation.

• Heated oxygen sensor with 4 wires for accurate readings
• Specific fit for Nissan Altima ensuring compatibility
• 12.32-inch wiring harness length for flexible installation
• 20 gauge wire measurement for durability and signal integrity
• Thread diameter of 18.0 mm with threaded mounting type
• Radiused polygon male connector for reliable connection
• Overall length of 15.87 inches for proper fitment

Detailed Product Description

The Walker Products OE 250-54082 oxygen sensor is engineered to meet the exact specifications of Nissan Altima vehicles. As a heated sensor, it quickly reaches operating temperature to provide accurate oxygen level readings, which are critical for optimal fuel mixture and emissions control. The sensor includes four wires with a 20 gauge measurement, ensuring reliable electrical performance and communication with the vehicle’s engine control unit (ECU). Its 12.32-inch wiring harness length and 15.87-inch overall length allow for straightforward installation without the need for modifications.

The sensor’s threaded mounting type with an 18.0 mm thread diameter ensures a secure fit in the exhaust system. The radiused polygon male connector is designed for a precise and stable connection, reducing the risk of signal loss or disconnection. This oxygen sensor is a specific fit part, tailored for Nissan Altima models, which helps maintain factory-level performance and emissions compliance.

Walker Products OE Brand Line

Walker Products OE is a product line focused on delivering original equipment quality parts that meet or exceed OEM specifications. This line emphasizes precise fitment and reliable performance, making it suitable for professional repairs and maintenance. The 250-54082 oxygen sensor is part of this line, ensuring it aligns with Nissan Altima’s factory standards for emission control sensors.

Common Applications and Issues Addressed

• Restores accurate oxygen sensing for proper air-fuel mixture
• Helps resolve engine performance issues related to faulty sensors
• Reduces emissions by ensuring correct exhaust gas readings
• Prevents check engine light triggers caused by sensor failure
• Improves fuel efficiency by maintaining optimal combustion

Installation Notes and Tips

• Ensure the vehicle is cool before removing the old sensor to avoid burns
• Use appropriate tools for threaded sensor removal and installation
• Verify connector type matches the vehicle harness before installation
• Do not over-tighten the sensor to prevent damage to threads
• Check wiring harness length and routing to avoid interference with moving parts

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet stringent quality standards, ensuring durability and reliable performance. While specific warranty details for part number 250-54082 should be confirmed with the supplier, Walker typically offers coverage against defects in materials and workmanship to support professional automotive repairs.