Front and Rear Oxygen Sensors Compatible with FORD 1999-1996 TAURUS 3L 3.4L,1996 1997 CROWN VICTORIA 4pcs o2 sensor

Fitment:Compatible with FORD 1999-1996 TAURUS 3L 3.4L,1996 1997 CROWN VICTORIA Interchange Part Number: 234-4609 234-4609 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.