CARQUEST premium remanufactured injectors are completely torn down, ultrasonically cleaned, inspected and remanufactured using premium components. Each injector is 100% tested on a sophisticated flow bench under multiple operating parameters to meet or exceed OE specifications. Product Features:Each unit is 100% tested to OE specificationsIncludes 100% replacement of the fuel fitting, edge filter and retaining ring to ensure a leak-free connectionIncludes 100% replacement of the solenoid nut which provides corrosion resistance and accurate solenoid torque for optimal injector response timeIncludes 100% replacement of nozzle to ensure accurate and precise injection under all operating parametersIncludes all new premium quality o-rings and sealsIncludes copper combustion gasketIncludes application specific technical bulletin which highlights critical aspects of the job and offers technical tips for proper installation