Walker 350-35116 Oxygen Sensor - Upstream or Upstream Right

Overview of Walker OE Replacement Oxygen Sensor 350-35116

The Walker OE Replacement Oxygen Sensor 350-35116 is designed specifically for select Cadillac and Subaru models, including the Forester, Impreza, Legacy, Outback, and XLR. This heated, wide-band oxygen 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 fit for Cadillac and Subaru vehicles
• Threaded mounting type with M18 - 1.5 thread size
• 5-wire configuration with 20 gauge wire measurement
• Male spade terminals and male rectangular connector
• Overall length of 560 mm and 22 mm wrench size for installation

Detailed Product Features and Specifications

This Walker oxygen sensor features a heated element to reduce warm-up time and improve sensor response. The wide-band sensor type provides a broader measurement range compared to narrow-band sensors, allowing for more accurate air-fuel ratio readings. The sensor is designed with a threaded mounting type (M18 - 1.5 thread size) for secure installation in the exhaust system. It includes five wires with 20 gauge measurement, male spade terminals, and a male rectangular connector to match the vehicle's wiring harness. The overall length of 560 mm and a 22 mm wrench size facilitate proper fitment and ease of installation.

Walker OE Replacement Product Line

The OE Replacement line by Walker focuses on delivering direct-fit components that meet original equipment specifications. This ensures compatibility and reliable performance for emission control parts like oxygen sensors. The 350-35116 oxygen sensor is engineered to match factory standards for Cadillac and Subaru vehicles, providing a dependable replacement option for maintaining emission system integrity.

Common Applications and Problem Resolution

• Restores accurate oxygen sensing for improved fuel efficiency
• Helps resolve check engine light issues related to oxygen sensor faults
• Reduces emissions by providing precise air-fuel mixture data
• Prevents engine performance problems caused by faulty sensors
• Supports proper operation of catalytic converters

Installation Notes and Tips

When installing the Walker 350-35116 oxygen sensor, ensure the threaded mounting hole is clean and free of debris. Use a 22 mm wrench to tighten the sensor securely without over-torquing. Verify the connector type matches the vehicle harness to avoid electrical connection issues. Because this sensor is a specific fit for Cadillac and Subaru models, confirm vehicle compatibility before installation.

Quality Assurance and Warranty

Walker OE Replacement oxygen 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. This ensures confidence in the sensor's reliability for emission control applications.