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ACDelco GM OE Engine Variable Valve Timing (VVT) Solenoids

ACDelco GM  OE Engine Variable  Timing  Solenoid Available Now

ACDelco GM Original Equipment Engine Variable Valve Timing Solenoids regulate oil flow to the cam phasers that change the timing of the camshafts. The desired positions of the camshaft varies with engine speed and load and is calibrated for optimal engine performance, drive quality, and fuel economy. They are GM-recommended replacements for your vehicle’s original components. These original equipment solenoids have been manufactured to fit your specific GM vehicle, providing the same performance, durability, and service life you expect from General Motors.


  • Coated to protect against premature corrosion
  • Designed to match OEM calibration to provide the performance you expect from GM
  • GM-recommended replacement part for your GM vehicle’s original factory component
  • Offering the quality, reliability, and durability of GM OE
  • Manufactured to GM OE specification for fit, form, and function



Good Maintenance Practices:

  • Before purchasing and installing an engine variable valve timing solenoid, make sure it is the correct size and fit for your vehicle.
  • Keep engine oil and filter changed at intervals specified in vehicle information.
  • Have vehicle serviced if check engine light is illuminated.
  • Properly test and diagnose oil control valves per General Motors service procedures to insure the proper component is being replaced.


Signs of Wear & Troubleshooting:

Service engine variable valve timing solenoids when signs of wear or failure are present. These symptoms may include:

  • Illuminated check engine light (with presence of certain cam phasing or cam position correlation trouble codes)
  • Abnormally high electrical resistance or open circuit
  • Rough engine idle
  • Poor drive quality

Proper testing and diagnosis per GM service procedures should be performed to insure the proper component is being replaced.



Do all engines have a variable valve timing system?

  • No. Check with your vehicle’s information for valve train system type.

Can I change this solenoid myself?

  • Yes. However, it is best to have a trained technician perform the repair.


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