Walker 350-34231 Oxygen Sensor - Downstream Left, Downstream Rear or Downstream Right

Overview of Walker 350-34231 Oxygen Sensor for Cadillac

The Walker 350-34231 oxygen sensor is designed specifically for Cadillac SRX, STS, and XLR models. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by monitoring exhaust gases effectively.

• Heated oxygen sensor with 4-wire design for precise readings
• Specific fit for Cadillac SRX, STS, and XLR models
• Threaded mounting type with 18.0 mm thread diameter
• 30.04-inch wiring harness length with 20-gauge wire
• Radiused polygon male connector for secure connection
• Overall length of 33.58 inches for proper installation

Detailed Product Description

This Walker oxygen sensor (part number 350-34231) is engineered to meet the exact specifications of Cadillac SRX, STS, and XLR vehicles. Featuring a heated sensor type, it provides faster warm-up times and more accurate oxygen level readings compared to unheated sensors. The 4-wire configuration supports both the sensor signal and heater circuit, ensuring reliable operation under various driving conditions.

The sensor’s threaded mounting type with an 18.0 mm diameter allows for straightforward installation in the exhaust system. Its 30.04-inch wiring harness and radiused polygon male connector are designed to fit the factory harness securely, minimizing the risk of connection issues. The overall length of 33.58 inches accommodates proper routing within the engine bay.

Walker Products Aftermarket Line

Walker Products Aftermarket offers a range of emission control components designed to meet or exceed OEM standards. This oxygen sensor is part of their commitment to providing reliable, vehicle-specific parts that support emissions compliance and engine efficiency. The 350-34231 sensor reflects Walker’s focus on precision fitment and durability for Cadillac vehicles.

Common Applications and Issues Addressed

• Restores accurate air-fuel mixture readings for Cadillac SRX, STS, and XLR
• Helps resolve rough idling and poor fuel economy caused by faulty sensors
• Reduces emissions by ensuring proper catalytic converter function
• Eliminates check engine light triggers related to oxygen sensor faults
• Improves overall engine performance and drivability

Installation Notes and Tips

• Ensure vehicle compatibility with Cadillac SRX, STS, or XLR before installation
• Disconnect the battery prior to sensor replacement to avoid electrical issues
• Use appropriate tools for threaded sensor removal and installation
• Verify connector type matches the radiused polygon male connector on the sensor
• Inspect wiring harness length (30.04 inches) for proper routing and secure connection

Quality Assurance and Warranty

The Walker 350-34231 oxygen sensor is manufactured to meet strict quality standards for emission control sensors. While specific warranty details are not provided here, Walker Products Aftermarket parts typically come with coverage against defects in materials and workmanship. This ensures dependable performance and compliance with emissions regulations for Cadillac SRX, STS, and XLR vehicles.