Upstream Downstream Durango Cherokee Wrangler Review

Warranty: This oxygen sensor comes with 30 Days HASSLE-FREE RETURN & 1 Year / 12 Months UNLIMITED REPLACEMENT PROMISE. If you don't like it, just return it and get a full refund. All we wanna do is to make you satisfy the sensor and the service we provide for you. Interchange Number: Replaces# 13100 234-4076 & 13138 234-4078. Directly Fit your vehicle when the plug and the length is the same as your original sensor. Quality: THEBIGDEALS oxygen sensors are produced as the OE standards which can prevent premature failure of the catalytic converter, reduce harmful emissions, improve engine performance and increase fuel efficiency. Bank 1 Sensor 1 means Upstream Right/Rear;Bank 2 Sensor 1 means Upstream Left/Front;Bank 1 Sensor 2 means Downstream Right/Rear;Bank 2 Sensor 2 means Downstream Left/Front. Please check the description or use the year/make/model drop down bar and interchangeable part numbers to confirm the compatibility before purchasing. If you have any questions, please email us, we try to answer all emails within 24 hours.