Walker 350-33027 Oxygen Sensor - Upstream or Upstream Front

Overview of Walker 350-33027 Oxygen Sensor

The Walker 350-33027 oxygen sensor is designed specifically for select Ford and Mazda vehicles, including the Mazda 626, MX-6, and Ford Probe. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by providing precise air-fuel mixture data to the engine management system.

• Heated oxygen sensor with 3-wire configuration
• Specific fit for Ford Probe and Mazda 626, MX-6 models
• Threaded mounting type with 18.0 mm thread diameter
• Wiring harness length of 8.98 inches and overall length of 12.52 inches
• Radiused polygon male connector for secure electrical connection
• 20 gauge wire for reliable signal transmission

Detailed Product Description

This Walker Products Aftermarket oxygen sensor (part number 350-33027) features a heated sensor element that allows for faster warm-up times and improved sensor response. The sensor is designed with a threaded mounting type, featuring an 18.0 mm thread diameter to ensure a secure and proper fit in the exhaust system. The wiring harness length measures 8.98 inches, while the overall length of the sensor is 12.52 inches, providing adequate reach for installation in compatible vehicles.

The sensor’s connector is a radiused polygon shape with a male gender, designed to match the factory wiring harness for a direct fit. The 3-wire configuration and 20 gauge wire gauge measurement support reliable electrical connections and accurate signal transmission to the vehicle’s engine control unit (ECU).

Walker Products Aftermarket Line

The Walker Products Aftermarket line focuses on providing replacement emission control components that meet or exceed OEM specifications. This oxygen sensor is part of that line, offering a precise fit and function for specific Ford and Mazda models. The product line emphasizes durability and compatibility, ensuring that the sensor integrates seamlessly with the vehicle’s existing systems.

Common Applications and Issues Addressed

• Restores proper air-fuel ratio monitoring in Ford Probe and Mazda 626, MX-6
• Resolves check engine light triggers related to oxygen sensor faults
• Improves fuel efficiency by providing accurate emissions data
• Reduces harmful exhaust emissions by ensuring correct sensor operation
• Eliminates rough idling or engine hesitation caused by faulty sensors

Installation Notes and Tips

• Ensure vehicle compatibility with Ford Probe, Mazda 626, or MX-6 before installation
• Use appropriate tools to avoid damaging the 18.0 mm threaded sensor mount
• Verify connector type matches the radiused polygon male connector on the vehicle harness
• Handle wiring carefully to maintain integrity of the 20 gauge wires
• Allow the sensor to reach operating temperature for accurate readings after installation

Quality Assurance and Warranty

Walker Products Aftermarket oxygen sensors are manufactured to meet stringent quality standards for emission control components. While specific warranty details for part number 350-33027 should be confirmed with the supplier, Walker typically offers coverage against defects in materials and workmanship to ensure reliable performance in Ford and Mazda vehicles.