Front and Rear Oxygen Sensors Compatible with Ford 2001-2006 RANGER V6 4pcs o2 sensor

Fitment:Compatible with Ford 2001-2006 RANGER V6 Interchange Part Number: 234-4403 234-4070 Product Specifications: Package Includes--4 x Oxygen Sensor Feature: The key parts including chip from top supplier; Quicker response times; 100% test before shipment; Stock parts direct replacement and with pre-coated threads to help installation; reduce harmful emissions, increase fuel economy, improve engine performance and prevent premature failure of the catalytic converter. Tip: Bank 1 Sensor 1=Upstream Right/Rear; Bank 2 Sensor 1=Upstream Left/Front; Bank 1 Sensor 2=Downstream Right/Rear; Bank 2 Sensor 2=Downstream Left/Front; sensor 1=Upstream, sensor 2=Downstream.