Cost for fuel/air ratio sensor

If you buy it from,lets say Autozone,it's $194.88 including sales tax. If you order it from ROCKAUTO.com,it's $150.79+$5.99 shipping, Priority Mail 2-3 business days,total price $156.78,NO TAX! You can also rent the tool/socket to remove and replace it for around $30.00 at Autozone,you get that money back when tool is returned. For Your 2003 Subaru Truck Forester AWD 2.5L FI SOHC 4cyl NTK Exact Fit Oxygen Sensor Part Number: 24664 Up-stream sensor (located before catalytic converter) OE type 4 wire A/F sensor.