This rigorously engineered engine cylinder deactivation solenoid, a.k.a. CD manifold, directly replaces the original equipment on select vehicles. This design features multiple upgrades to help ensure performance and reliability. Product Features:Upgraded design - this cylinder deactivation manifold has enhanced features to match the fit, function and performance of the factory part on certain vehiclesImproved seals - increased sealing surface interface, redesigned rod sub-assembly, and superior quality O-rings and gasketReliable operation - internal bore step incorporates a radius edge to prevent valve stickingDurable construction - solenoid rod hardened to improve wear resistance and maintain tighter tolerances
