Walker 350-33020 Oxygen Sensor - Upstream

Overview of Walker 350-33020 Oxygen Sensor for Jeep Vehicles

The Walker 350-33020 oxygen sensor is designed specifically for select Jeep models including Cherokee, Comanche, Wagoneer, and Wrangler. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by monitoring exhaust gases effectively.

• Heated oxygen sensor with 3-wire configuration
• Specific fit for Jeep Cherokee, Comanche, Wagoneer, and Wrangler
• Threaded mounting type with 18.0 mm thread diameter
• Radiused polygon male connector for secure electrical connection
• Wiring harness length of 8.39 inches and overall length of 11.93 inches
• Wire gauge measurement of 20 for reliable signal transmission

Detailed Product Description

This Walker Products Aftermarket oxygen sensor (part number 350-33020) is engineered to meet the exact specifications required by Jeep Cherokee, Comanche, Wagoneer, and Wrangler models. Featuring a heated sensor type, it quickly reaches operating temperature to provide accurate oxygen level readings. The sensor’s 3-wire design supports efficient signal and heater circuit operation. Its radiused polygon male connector ensures a precise and secure fit, reducing the risk of electrical issues. The threaded mounting type with an 18.0 mm diameter allows for straightforward installation and a tight seal within the exhaust system. With a wiring harness length of 8.39 inches and an overall length of 11.93 inches, this sensor fits perfectly in the designated mounting location without excess slack or tension.

The Walker Products Aftermarket line focuses on delivering reliable emission control components that meet or exceed OEM standards. This oxygen sensor is part of that line, providing a direct replacement solution that maintains factory performance and emissions compliance for your Jeep vehicle.

Common Applications and Issues Addressed

• Restores accurate air-fuel mixture readings for improved fuel efficiency
• Helps resolve check engine light triggers related to oxygen sensor faults
• Reduces emissions by ensuring proper catalytic converter function
• Prevents rough idling and engine hesitation caused by faulty sensors
• Supports smooth engine performance and drivability

Installation Notes and Tips

• Ensure the vehicle is cool before removing the old sensor to avoid burns
• Use appropriate tools to avoid damaging the threaded mounting area
• Verify connector type matches the vehicle harness before installation
• Apply anti-seize compound on threads if recommended by vehicle manufacturer
• Check for proper sensor wiring and secure connector engagement

Quality Assurance and Warranty

Walker Products Aftermarket oxygen sensors are manufactured to meet stringent quality standards, ensuring durability and reliable performance. The 350-33020 sensor undergoes rigorous testing to comply with emission control requirements. While specific warranty details may vary, Walker typically offers coverage against defects in materials and workmanship to provide confidence in your purchase.