NEW OP90171SI Engine Front Timing Cover, Oil Pump, & RTV Gasket Silicone for 02-06 Nissan Altima Sentra SE-R 2.5L 2500cc DOHC QR25DE Meets or exceeds OEM standard quality and performance requirements. Fits : 2002-06 NISSAN 2.5L 2500cc L4 DOHC (16-Valve), "QR25DE" Package Includes : 1 Front Timing Cover and Oil Pump (Stock Standard Pressure & Volume), 1 Oil Pump Seal (Installed) 1 RTV Hi-Temp Gasket Silicone (Silicone Brand May Vary Depending On Availability) CONFIRM THIS PART FITS YOUR VEHICLE BEFORE PURCHASING (Check Fitment Data Above)