GM Genuine Parts Engine Rocker Arm Oil Control Solenoids are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These solenoids are a vital component for your GM vehicle's variable valve timing (VVT) system. They are designed to open and close the camshaft at the appropriate time and provide optimal engine performance. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).

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• Helps open and close your vehicle's camshaft at the appropriate time for optimal engine performance
• Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
• GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
• GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
• GM regularly updates production and service part designs to integrate new materials and technologies