Walker 350-34135 Oxygen Sensor - Downstream, Downstream Front or Downstream Rear

Overview of Walker 350-34135 Oxygen Sensor

The Walker 350-34135 oxygen sensor is designed specifically for select Saab and Volvo models, including the 850, 900, C70, S70, and V70. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by providing precise air-fuel mixture data.

• Heated oxygen sensor with threaded mounting
• Specific fit for Saab and Volvo vehicles
• 78.27-inch wiring harness length for flexible installation
• 20-gauge wire with 4-wire configuration
• Radiused polygon male connector for secure connection
• 18.0 mm thread diameter and 81.81-inch overall length

Walker Products Aftermarket Line Details

The Walker Products Aftermarket line offers reliable emission control components designed to meet or exceed OEM specifications. This oxygen sensor from Walker Products Aftermarket is engineered to provide consistent performance and durability, making it a suitable replacement part for maintaining factory-level emissions standards in Saab and Volvo vehicles.

Technical Description and Features

This oxygen sensor features a heated design that allows it to reach operating temperature quickly, improving sensor response time and reducing emissions during cold starts. The 4-wire configuration includes two wires for the heater circuit and two for the sensor signal, ensuring accurate data transmission. The 78.27-inch wiring harness length and radiused polygon male connector facilitate straightforward installation in the engine bay. The threaded mounting type with an 18.0 mm diameter ensures a secure fit in the exhaust system. Overall, the 81.81-inch length provides adequate reach for proper placement within the exhaust stream.

Common Applications and Problem Resolution

• Helps correct rough idling and engine hesitation
• Reduces increased fuel consumption caused by faulty sensors
• Prevents failed emissions tests due to inaccurate oxygen readings
• Addresses check engine light triggers related to oxygen sensor faults
• Improves overall engine performance and exhaust emissions control

Installation Notes and Tips

When installing the Walker 350-34135 oxygen sensor, ensure the threaded mounting hole is clean and free of debris. Use anti-seize compound on the threads to prevent seizing but avoid contaminating the sensor tip. Verify the connector matches the radiused polygon male shape for a secure connection. Due to the specific fitment for Saab and Volvo models, confirm vehicle compatibility before installation. Proper routing of the 78.27-inch wiring harness is essential to avoid heat damage or interference with moving parts.

Quality Assurance and Warranty

Walker Products Aftermarket oxygen sensors are manufactured to meet stringent quality standards, ensuring reliable performance and durability. While specific warranty details for part number 350-34135 should be confirmed with the supplier, Walker typically offers coverage against defects in materials and workmanship to support long-term use in emission control systems.