GM Genuine Parts 12571609 Valve Lifter Oil Manifold;

ACDelco GM Original Equipment Engine Valve Lifter Oil Manifolds are GM-recommended replacements for your vehicle’s original components. This manifold contains solenoids that control the opening and closing of the valve system, helping prevent fuel and air from reaching deactivated cylinders. The result is that combustion only takes place in the active cylinders, which helps maximize fuel economy. These original equipment engine valve lifter oil manifolds have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.