ACDelco GM Original Equipment Rack and Pinion Assemblies convert the rotation of your vehicle's steering column to the side-to-side motion needed to steer its front or rear wheels, and are GM-recommended replacements for your vehicle's original components. These original equipment rack and pinion assemblies have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors. Product Features:Converts steering column rotation into side-to-side motion needed to steer wheelsGM-recommended replacement part for your GM vehicle's original factory componentOffering the quality, reliability, and durability of GM OEManufactured to GM OE specification for fit, form, and function