TOPSCOPE FP8496M - Fuel Pump Module Assembly E8496M fits 2002 2003 Nissan Altima 1-YEAR / 365-DAY UNLIMITED MILEAGE WARRANTY PLEASE CHECK THE YEAR/MAKE/MODEL DROP DOWN MENU AT THE TOP OR PRODUCT DESCRIPTION OF THE PAGE TO MAKE SURE THIS PART FITS YOUR VEHICL IF YOU HAVE ANY QUESTIONS ABOUT OUR PRODUCTS, PLEASE MESSAGE US BEFORE YOUR PURCHASING. WE WILL ANSWER YOU WITHIN 24 HOURS Do not reuse any old parts.Eg.Fuel Strainer,Fuel Pressure Sensor. Every single pump is 100% tested before shipping out Vehicle makes high pitched sound when the engine is first engaged; Sudden trouble accelerating; Low fuel pressure. Always keep enough fuel in the tank for the pump to be submerged in gas;