FITMENT: O2 Oxygen Sensor Replacement for Toyota Sienna 2004-2006 3.3L Part Number: 234-9042 234-4168 Confirm Compatibility:Please double-check the listed fitment information year, make, model to ensure this part is correct for your car Match Your Original Part Visually:In most cases, you can compare our product's detailed pictures and specifications with your existing part to confirm it is a direct match Attention: Please check whether the compatibility information matches your vehicle model 2Pack Oxygen Sensor O2 Sensor Upstream Downstream Air Fuel Ratio Sensor Replacement for Toyota Sienna 3.3L 234-9042 234-4168