ACDelco Professional Remanufactured Power Steering Pumps effectively provide the hydraulic force required for power-assisted steering systems Each Professional, premium aftermarket pump includes applicable installation instructions, and an installation kit with O-rings and pulley assembly kit when needed Remanufacturing power steering pumps is an industry standard practice that involves disassembly of existing units, and replacing components that are most prone to wear with new components Damaged and obsolete parts are replaced and are end of line tested to ensure they perform to ACDelco specifications In addition, remanufacturing returns components back into service rather than processing as scrap or simply disposing of them These power steering pumps will provide the same performance, durability, and service life you expect from ACDelco.