Walker 350-34238 Oxygen Sensor - Upstream

Overview of Walker Oxygen Sensor 350-34238 for Mitsubishi Montero Sport

The Walker 350-34238 oxygen sensor is designed specifically for the Mitsubishi Montero Sport, ensuring precise emission control and optimal engine performance. This heated oxygen sensor features a threaded mounting type and a radiused polygon male connector for secure installation.

• Wiring harness length: 10.35 inches
• Wire gauge measurement: 22 gauge
• Heated sensor type for faster response
• Specific fit for Mitsubishi Montero Sport
• Four-wire configuration
• Radiused polygon male connector
• Thread diameter: 18.0 mm
• Overall length: 13.9 inches
• Threaded mounting type for reliable attachment

Walker Products Aftermarket Line Details

The Walker Products Aftermarket line offers replacement emission control components engineered to meet or exceed OEM specifications. This oxygen sensor from the Walker Products Aftermarket range is tailored to provide accurate air-fuel mixture readings, contributing to efficient engine operation and emissions compliance for the Mitsubishi Montero Sport.

Product Description and Technical Details

The Walker 350-34238 oxygen sensor is a heated sensor designed to provide rapid and accurate feedback to the engine control unit (ECU). Its four-wire design includes two wires for the heating element and two for the sensor signal, improving sensor response time and durability. The 22-gauge wiring ensures reliable electrical conductivity, while the 10.35-inch wiring harness length and 13.9-inch overall length accommodate proper routing and fitment within the vehicle’s engine bay. The radiused polygon male connector and 18.0 mm threaded mounting type ensure a secure and precise installation specific to the Mitsubishi Montero Sport.

Common Applications and Issues Addressed

• Restores accurate oxygen sensing for proper air-fuel ratio management
• Helps resolve engine performance issues such as rough idling or hesitation
• Reduces emissions by ensuring correct fuel combustion
• Prevents check engine light triggers related to oxygen sensor faults
• Supports fuel efficiency by maintaining optimal sensor operation

Installation Notes and Tips

• Ensure vehicle compatibility with Mitsubishi Montero Sport before installation
• Use appropriate tools to avoid damaging the 18.0 mm threaded sensor
• Check connector alignment for the radiused polygon male plug to ensure proper connection
• Handle wiring carefully to maintain the integrity of the 22-gauge wires and 10.35-inch harness length
• Follow vehicle manufacturer torque specifications when mounting the sensor

Quality Assurance and Warranty

Walker Products Aftermarket oxygen sensors are manufactured to meet industry standards for durability and performance. While specific warranty details for part number 350-34238 should be confirmed at the point of purchase, Walker typically provides coverage against defects in materials and workmanship to support long-term reliability in emission control applications.