FIWARY Upstream Down Oxygen O2 Sensor 4pcs fits for 2005-2006 Xterra Frontier 4.0L Replace OE 234-5061 234-4302 234-4312 Part Number: 234-5061 234-4302 234-4312Part Name: 234-5061 234-4302 234-4312 Oxygen O2 SensorCompatible with the following vehicles: For 2004 FX35 (V6, 3.5L) (From 10/03;Base) For 2004 G35 (V6, 3.5L) (AWD;Base; X) For 2005 350Z (V6, 3.5L) (35th Anniversary Edition; Performance) For 2005-2006 FX35 (V6, 3.5L) (Base) For 2005-2006 G35 (V6, 3.5L) (Base; X) For 2005-2006 350Z (V6, 3.5L) (Base; Enthusiast; Grand Touring; Touring; Track) For 2006 M35 (V6, 3.5L) (Base; Sport; X) For 2007 G35 (V6, 3.5L) (Coupe;Base; Journey; Sport; X) Product Condition: 100% New and High QualityProduct Contains 4 * Upstream Down Oxygen O2 Sensor As Pictures Shows Warranty: We Promise 3 Month warranty, if the product has any quality quesiton, we will give you refund or exchange a new one. Note: Please make sure that the model number, part number and photo is the same as yours before order. Features: Guaranteed Exact Fits for easy installation Computer tested for consistent Quality and unsurpassed reliability Great Customer Service, 3 Month Warranty, 7 Days/24 Hours Online Customer Service. Delivery Details: The picture is for reference only, please make the object as the standard. Before you bid, please confirm your model number and part number. Products will be carefully checked before shipping.