PartsSquare 4pcs Oxygen O2 Sensor 234-4138 234-4154 Upstream&Downstream For 2003 2004 2005 Lexus LX470 Toyota Land Cruiser 4.7L Direct Plug-In Replacement Cross Reference Part Number: 234-4138, 234-4154 Position: Please check compatibility in Description Warranty: One Year Unlimited Miles This is Brand New High Quality Aftermarket Product. Meet the professional specification as OEM parts, for stable performance durable service.