Kwiksen Oxygen O2 Sensor 234-4137 Downstream For 1997-2001 Lexus ES300 3.0L Direct Plug-In Replacement Cross Reference Part Number: SG358, 13353, 15273, 234-4137 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.