Air Fuel Ratio O2 Sensor Oxygen for Toyota 4Runner 3.4L 99-00 Up+Downstream X2
$35.89
Compatibility: 1999 Toyota 4Runner 2.7L 1999-2000 Toyota 4Runner 3.4L 2000 Toyota Tacoma 3.4L Q&A: Q:What is Differences Between upstream and downstream O2 Sensor? .
