Walker 350-31002 Oxygen Sensor - Upstream

Walker 350-31002 Oxygen Sensor for Honda Civic

Walker Products 350-31002 is a specific-fit oxygen sensor engineered as an OE-style replacement for select Honda Civic applications. It is built for upstream Bank 1 Sensor 1 use on 1992-1995 Honda Civic models, with fitment noted for non-California emissions vehicles.

Key Features

• Specific-fit oxygen sensor for targeted Honda Civic applications
• Upstream position, Bank 1 Sensor 1
• Non-heated sensor design
• Threaded mounting type with 18.0 mm thread diameter
• Radiused polygon male connector
• 15.28 in. wiring harness length and 20-gauge wire
• Overall length: 18.82 in.

Product Details

Walker Products Aftermarket focuses on engine management and oxygen/air-fuel sensors developed for OE replacement use. Part number 350-31002 is manufactured for the specified application and fitment position so the ECU receives the expected diagnostic feedback. For 1992-1995 Honda Civic vehicles, this upstream oxygen sensor is listed for Bank 1 Sensor 1 service on non-California emissions configurations. This part cross-references no additional part numbers in the provided data.

Common Issues This Sensor May Address

• Check engine light related to upstream oxygen sensor faults
• Poor engine performance caused by incorrect exhaust feedback
• Increased fuel consumption from inaccurate air-fuel monitoring
• Higher exhaust emissions from a failing sensor
• Stored ECU fault codes tied to the affected sensor circuit

Installation Notes and Tips

Confirm the vehicle is a 1992-1995 Honda Civic with the correct upstream, Bank 1 Sensor 1 application before ordering. This Walker 350-31002 oxygen sensor is not listed for California emissions-certified vehicles. Inspect the sensor, wiring harness, and connector for physical damage before installation, and verify the threaded mounting location and connector style match the original part.

Quality Assurance

Walker Products states that its engine management sensors are developed under Automotive ISO 9001 / TS 16949 quality systems and built for application-specific fitment and ECU feedback requirements.