Autotec 03611009 Nissan Maxima Oil Pressure Switch PS-323 PS452 25240-4M400 This is a 100% brand new switch. Engineered to or exceed OEM's standards. Manufactured to withstand high engine temperatures. High quality OEM Replacement part. Warranted against defects in material and workmanship. Please read the product information below for details regarding its applications, part numbers, etc.